At 20 mph the force of your car impacting a surface is about four times as great as 10mph. a true b. false

A True

Explanation:

Kinetic energy (K.E) = 1/2 m v²

m is the mass and v is the velocity

K.E = 1/2×m×20² = 200 m

For the vehicle moving at 10 mph will be.

K.E = 1/2×m×10² = 50 m

Thus, is 200 m ÷ 50 m = 4 time greater.

i only have few minutes according to the map above, which shows religious cultural regions, what two religions are most commonly practiced in africa? a. christianity and buddhism b. buddhism and hinduism c. islam and christianity d. hinduism and islam