A 1.200 kg car travels at 20 m/s. What is its momentum? P=mv A)24000 kg m/s

B)14000 kg m/s

C)8000 kg m/s

D)1220 kg m/s

Ascrew incorporates which other simple machine? lever wheel and axle inclined plane pulley

The discovery that the universe appears to be expanding led to a widely accepted theory called a.) the big bang theory b.) the doppler effect c.) hubble’s law d.) solar nebular theory e.) the seyfert theory

When an object is heated it contracts. a. true b. false