The impulse experienced by a body is equivalent to its change in:
a. velocity.
b. kinetic energy.
c. momentum.
d. None of the above choices are valid.
c
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A 4.00 kg hollow cylinder of radius 5.00 cm starts from rest and rolls without slipping down a 30.0 degree incline. If the length of the incline is 50.0 cm, then the velocity of the center of mass of the cylinder at the bottom of the incline is
A. 1.35 
B. 1.82
C. 1.57
D. 2.55
E. 3.02
A satellite is powered by a small nuclear generator that puts out 20 W. How much matter is converted into energy over the 10 year life span of the generator?
a. 70 µg c. 53 kg b. 53 g d. 53 µg
Heating from _________ causes the top of Earth's stratosphere to be warmer than the bottom.
a. higher-energy particles in the solar wind b. convection c. the ozone layer absorbing UV light d. charged particles trapped by magnetic fields e. the greenhouse effect
The coefficient of linear expansion for aluminum is 24. × 10-6K-1. What is the coefficient in units of C°-1?
What will be an ideal response?