State Newton's three laws of motion
What will be an ideal response?
1. In the absence of a net force, an object moves with constant velocity.
2. Force = rate of change in momentum or mass times acceleration.
3. For every force there is an equal and opposite reaction force.
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A car of mass m1 traveling at velocity v passes a car of mass m2 parked at the side of the road. The momentum of the system of two cars is
A.
B.
C.
D.
E.
Heat is
A) temperature. B) thermal energy. C) thermal energy flowing from hot to cold. D) radiant energy.
The fission reaction involves
A) the splitting of a large molecule into smaller molecules. B) the splitting of a heavy nucleus. C) the combining of two low-mass nuclei. D) the combining of two lighter molecules into a heavier molecule. E) the splitting of a light nucleus.
Which of the following lists the planets of our solar system in the correct order from closest to farthest from the Sun?
A) Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune B) Mercury, Earth, Venus, Mars, Jupiter, Saturn, Neptune, Uranus C) Mercury, Venus, Mars, Earth, Saturn, Jupiter, Neptune, Uranus D) Earth, Mars, Mercury, Venus, Jupiter, Saturn, Uranus, Neptune