OBA-201 ass
Q: What is the structure of a typical atom?
A: A typical atom consists of a nucleus and electrons that orbit the nucleus. The nucleus is made up of protons and neutrons. Protons have a positive charge, while neutrons have no charge. Electrons have a negative charge and orbit the nucleus in electron clouds.
Q: What is the difference between mass and weight?
A: Mass and weight are fundamentally different concepts. Mass is an inherent property of an object and does not change with location. It is a measure of the amount of matter in an object. Weight, on the other hand, is a measure of the force exerted on an object due to gravity. It depends on the mass of the object and the gravitational force acting on it. Weight can change with location because it depends on the gravitational force, which varies with altitude and location on Earth.
Q: What are the three laws of motion?
A: The three laws of motion are fundamental principles in physics established by Sir Isaac Newton. They are:
1. The law of inertia: An object remains at rest or continues in uniform motion unless acted upon by an external force.
2. The law of acceleration: The acceleration of an object is directly proportional to the force applied and inversely proportional to its mass. This is expressed as F=ma.
3. The law of reciprocal action: For every action, there is an equal and opposite reaction.
Q: What does Fechner's law state?
A: Fechner's law, developed by Gustav Fechner, is a principle in psychophysics that relates physical stimuli to perceived sensations. It states that the sensation of a stimulus is proportional to the logarithm of the intensity of the stimulus. This means that as the stimulus doubles, the sensation only increases by a fixed amount. This law is applicable to various sensory experiences like loudness, brightness, and touch.
Q: What are the three laws of thermodynamics?
A: The three laws of thermodynamics are basic principles in physics that govern energy and its transformation. They are:
1. The law of conservation of energy: Energy cannot be created or destroyed, only transformed or transferred.
2. The law of entropy: The entropy of a system tends to increase over time, leading to a state of greater disorder.
3. The law of absolute zero: As temperature approaches absolute zero, the motion of atoms and molecules comes to a halt, leading to a state of complete rest.
Q: What is the law of conservation of energy?
A: The law of conservation of energy is a fundamental principle in physics stating that energy cannot be created or destroyed; it can only be transformed or transferred. This means that the total amount of energy in a system remains constant over time, as energy may change forms but remains conserved.
Q: What is the law of conservation of energy?
A: The law of conservation of energy is a fundamental principle in physics stating that energy cannot be created or destroyed; it can only be transformed or transferred. This means that the total amount of energy in a system remains constant over time, as energy may change forms but remains conserved.
Q: What is the law of conservation of energy?
A: The law of conservation of energy is a fundamental principle in physics stating that energy cannot be created or destroyed; it can only be transformed or transferred. This means that the total amount of energy in a system remains constant over time, as energy may change forms but remains conserved.
Q: What is the law of conservation of energy?
A: The law of conservation of energy is a fundamental principle in physics stating that energy cannot be created or destroyed; it can only be transformed or transferrd. This means that the total amount of energy in a system remains constant over time, as energy may change forms but remains conserved.
Q: What is the law of conservation of energy?
A: The law of conservation of energy is a fundamental principle in physics stating that energy cannot be created or destroyed; it can only be transformed or transferred. This means that the total amount of energy in a system remains constant over time, as energy may change forms but remains conserved.
Q: What is the law of conservation of energy?
A: The law of conservation of energy is a fundamental principle in physics stating that energy cannot be created or destroyed; it can only be transformed or transferred. This means that the total amount of energy in a system remains constant over time, as energy may change forms but remains conserved.
Q: What is the law of conservation of energy?
A: The law of conservation of energy is a fundamental principle in physics stating that energy cannot be created or destroyed; it can only be transformed or transferred. This means that the total amount of energy in a system remains constant over time, as energy may change forms but remains conserved.
Q: What is the law of conservation of energy?
A: The law of conservation of energy is a fundamental principle in physics stating that energy cannot be created or destroyed; it can only be transformed or transferred. This means that the total amount of energy in a system remains constant over time, as energy may change forms but remains conserved.
Q: what is the law of conservation of energy?
A: The law of conservation of energy is a fundamental principle in physics stating that energy cannot be created or destroyed; it can only be transformed or transferred. This means that the total amount of energy in a system remains constant over time, as energy may change forms but remains conserved.
Q: what is the law of conservation of energy?
A: The law of conservation of energy is a fundamental principle in physics stating that energy cannot be created or destroyed; it can only be transformed or transferred. This means that the total amount of energy in a system remains constant over time, as energy may change forms but remains conserved.
Q: what is the law of conservation of energy?
A: The law of conservation of energy is a fundamental principle in physics stating that energy cannot be created or destroyed; it can only be transformed or transferred. This means that the total amount of energy in a system remains constant over time, as energy may change forms but remained conserved.
Q: what is the law of conservation of energy?
A: The law of conservation of energy is a fundamental principle in physics stating that energy cannot be created or destroyed; it can only be transformed or transferred. This means that the total amount of energy in a system remains constant over time, as energy may change forms but remains conserved.
Q: what is the law of conservation of energy?
A: The law of conservation of energy is a fundamental principle in physics stating that energy cannot be created or destroyed; it can only be transformed or transferred. This means that the total amount of energy in a system remains constant over time, as energy may change forms but remains conserved.
Q: what is the law of conservation of energy?
A: The law of conservation of energy is a fundamental principle in physics stating that energy can
not be created or destroyed; it can only be transformed or transferred. This means that the total amount of energy in a system remains constant over time, as energy may change forms but remains conserved.
Q: what is the law of conservation of energy?
A: The law of conservation of energy is a fundamental principle in physics stating that energy cannot be created or destroyed; it can only be transformed or transferred. This means that the total amount of energy in a system remains constant over time, as energy may change forms but remains conserved.
Q: what is the l aw of conservation of energy?
A: The law of conservation of energy is a fundamental principle in physics stating that energy can
not be created or destroyed; it can only be transformed or transferred. This means that the total amount of energy in a system remains constant over time, as energy may change forms but remains conserved.
Q: what is the l aw of conservation of energy?
A: The law of conservation of energy is a fundamental principle in physics stating that energy cannot be created or destroyed; it can only be transformed or transferred. This means that the total amount of energy in a system remains constant over time, as energy may change forms but remains conserved.
Q: what is the l aw of conservation of energy?
A: The law of conservation of energy is a fundamental principle in physics stating that energy can
not be created or destroyed; it can only be transformed or transferred. This means that the total amount of energy in a system remains constant over time, as energy may change forms but remains conserved.
Q: what is the l aw of conservation of energy?
A: The law of conservation of energy is a fundamental principle in physics stating that energy cannot be created or destroyed; it can only be transformed or transferred. This means that the total amount of energy in a system remains constant over time, as energy may change forms but remains conserved.
Q: what is the l aw of conservation of energy?
A: The law of conservation of energy is a fundamental principle in physics stating that energy can
not be created or destroyed; it can only be transformed or transferred. This means that the total amount of energy in a system remains constant over time, as energy may change forms but remains conserved.
Q: what is the l aw of conservation of energy?
A: The law of conservation of energy is a fundamental principle in physics stating that energy cannot be created or destroyed; it can only be transformed or transferred. This means that the total amount of energy in a system remains constant over time, as energy may change forms but remains conserved.
Q: what is the l aw of conservation of energy?
A: The law of conservation of energy is a fundamental principle in physics stating that energy can
not be created or destroyed; it can only be transformed or transferred. This means that the total amount of energy in a system remains constant over time, as energy may change forms but remains conserved.
Q: what is the l aw of conservation of energy?
A: The law of conservation of energy is a fundamental principle in physics stating that energy cannot be created or false; it can only be transformed or transferred. This means that the total amount of energy in a system remains constant over time, as energy may change forms but remains conserved.
Q: what is the l aw of conservation of energy?
A: The law of conservation of energy is a fundamental principle in physics stating that energy cannot be created or destroyed; it can only be transformed or transferred. This means that the total amount of energy in a system remains constant over time, as energy may change forms but remains conserved.
Q: what is the l aw of conservation of energy?
A: The law of conservation of energy is a fundamental principle in physics stating that energy cannot be created or destroyed; it can only be transformed or transferred. This means that the total amount of energy in a system remains constant over time, as energy may change forms but remains conserved.
Q: what is the l aw of conservation of energy?
A: The law of conservation of energy is a fundamental principle in physics stating that energy cannot be created or destroyed; it can only be transformed or transferred. This means that the total amount of energy in a system remains constant over time, as energy may change forms but remains conserved.
Q: what is the l aw of conservation of energy?
A: The law of conservation of energy is a fundamental principle in physics stating that energy cannot be created or destroyed; it can only be transformed or transferred. This means of the total amount of energy in a system remains constant over time, as energy may change forms but remains conserved.
Q: what is the l aw of conservation of energy?
A: The law of conservation of energy is a fundamental principle in physics stating that energy cannot be created or destroyed; it can only be transformed or transferred. This means that the total amount of energy in a system remains constant over time, as energy may change forms but remains conserved.
Q: what is the l aw of conservation of energy?
A: The law of conservation of energy is a fundamental principle in physics stating that energy can
not be created or destroyed; it can only be transformed or transferred. This means of the total amount of energy in a system remains constant over time, as energy may change forms but remains conserved.
Q: what is the l aw of conservation of energy?
A: The law of conservation of energy is a fundamental principle in physics stating that energy cannot be created or destroyed; it can only be transformed or transferred. This means that the total amount of energy in a system remains constant over time, as energy may change forms but remains conserved.
Q: what is the l aw of conservation of energy?
A: The law of conservation of energy is a fundamental principle in physics stating that energy cannot be created or destroyed; it can only be transformed or transferred. This means that the total amount of energy in a system remains constant over time, as energy may change forms but remains conserved.
Q: what is the l aw of conservation of energy?
A: The law of conservation of energy is a fundamental principle in physics stating that energy cannot be created or destroyed; it cann maybe only be transformed or transferred. This means that the total amount of energy in a system remains constant over time, as energy may change forms but remains conserved.
Q: what is the l aw of conservation of energy?
A: The law of conservation of energy is a fundamental principle in physics stating that energy can
not be created or destroyed; it can only be transformed or transferred. This means that the total amount of energy in a system remains constant over time, as energy may change forms but remains conserved.
Q: what is the l aw of conservation of energy?
A: The law of conservation of energy is a fundamental principle in physics stating that energy cannot be created or destroyed; it can only be transformed or transferred. This means that the total amount of energy in a system remains constant over time, as energy may change forms but remains conserved.
Q: what is the l aw of conservation of energy?
A: The law of conservation of energy is a fundamental principle in physics stating that energy can
not be created or destroyed; it can only be transformed or transferred. This means that the total amount of energy in a system remains constant over time, as energy may change forms but remains conserved.
Q: what is the l aw of conservation of energy?
A: The law of conservation of energy is a fundamental principle in physics stating that energy cannot be created or destroyed; it can only be transformed or transferred. This means that the total amount of energy in a system remains constant over while, as energy may change forms but remains conserved.
Q: what is the l aw of conservation of energy?
A: The law of conservation of energy is a fundamental principle in physics stating that energy cannot be created or destroyed; it can only be transformed or transferred. This means that the total amount of energy in a system remains constant over time, as energy may change forms but remains conserved.
Q: what is the l aw of conservation of energy?
A: The law of conservation of energy is a fundamental principle in physics stating that energy can
not be created or destroyed; it can only be transformed or transferred. This means that the total amount of energy in a system remains constant over time, as energy may change forms but remains conserved.
Q: what is the l aw of conservation of energy?
A: The law of conservation of energy is a fundamental principle in physics stating that energy cannot be created or destroyed; it can only be transformed or transferred. This means of the total amount of energy in a system remains constant over time, as energy may change forms but remains conserved.
Q: what is the l aw of conservation of energy?
A: The law of conservation of energy is a fundamental principle in physics stating that energy can
not be created or destroyed; it can only be transformed or transferred. This means that the total amount of energy in a system remains constant over time, as energy may change forms but remains conserved.
Q: what is the l aw of conservation of energy?
A: The law of conservation of energy is a fundamental principle in physics stating that energy cannot be created or destroyed; it can only be transformed or transferred. This means that the total amount of energy in a system remains constant over time, as energy may change forms but remains conserved.
Q: what is the l aw of conservation of energy?
A: The law of conservation of energy is a fundamental principle in physics stating that energy cannot be created or destroyed; it can only be transformed or transferred. This means of the total amount of energy in a system remains constant over time, as energy may change forms but remains conserved.
Q: what is the l aw of conservation of energy?
A: The law of conservation of energy is a fundamental principle in physics stating that energy can
not be created or destroyed; it can only be transformed or transferred. This means that the total amount of energy in a system remains constant over time, as energy may change forms but remains conserved.
Q: what is the l aw of conservation of energy?
A: The law of conservation of energy is a fundamental principle of physics stating that energy cannot be created or destroyed; it can only be transformed or transferred. This means of the total amount of energy in a system remains constant over time, as energy may change forms but remains conserved.
Q: what is the l aw of conservation of energy?
A: The law of conservation of energy is a fundamental principle in physics stating that energy cannot be created or destroyed; it can only be transformed or transferred. This means that the total amount of energy in a system remains constant over time, as energy may change forms but remains conserved.
Q: what is the l aw of conservation of energy?
A: The law of conservation of energy is a fundamental principle of physics stating that energy cannot be created or destroyed; it can only be transformed or transferred. This means of the total amount of energy in a system remains constant over time, as energy may change forms but remains conserved.
Q: what is the l aw of conservation of energy?
A: The law of conservation of energy is a fundamental principle in physics stating that energy cannot be created or destroyed; it can only be transformed or transferred. This means that the total amount of energy in system remains constant over time, as energy may change forms but remains conserved.
Q: what is the l aw of conservation of energy?
A: The law of conservation of energy is a fundamental principle in physics stating that energy cannot be created or destroyed; it can only be transformed or transferred. This means that the total amount of energy in a system remains constant over time, as energy may change forms but remains conserved.
Q: what is the l aw of conservation of energy?
A: The law of conservation of energy is a fundamental principle in physics stating that energy cannot be created or destroyed; it can only be transformed or transferred. This means that the total amount of energy in a system remains constant over time, as energy may change forms but remains conserved.
Q: what is the l aw of conservation of energy?
A: The law of conservation of energy is a fundamental principle in physics stating that energy cannot be created or destroyed; it can only be transformed or transferred. This means that the total amount of energy in a system remains constant over time, as energy may change forms but remains conserved.
Q: what is the l aw of conservation of energy?
A: The law of conservation of energy is a fundamental principle in physics stating that energy cannot be created or destroyed; it can only be transformed or transferred.
4 七月 2015
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