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3 years ago

At 20 mph the force of your car impacting a surface is about four times as great as 10mph. A True B. False

Geography

2 answers:

77julia77 [94]3 years ago

6 0

Hello
the answer to this is its false

lana66690 [7]3 years ago

4 0

Answer:

A True

Explanation:

Kinetic energy (K.E) = 1/2 m v²

<u>m is the mass and v is the velocity </u>

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.

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