When you jump from an elevated position you usually bend your knees upon reaching the ground, which makes the time of the contact about 10 times that of a stiff-legged landing. In this way the average force your body experiences is Group of answer choices about 10 times as great. more than 1/10 as great. about 1/10 as great. less than 1/10 as great.

The correct option is c. about 1/10 as great

Explanation:

The problem can be understood by the concept of impulse. Impulse is a integral of force.

                                  Impulse = Force × Time

As when we bend our knees upon reaching the ground the time of contact is about 10 times that of a stiff-legged. so,

                                  = 10 × Time

So the force will be:

                                Force =

                                Force =

                                Force = ×

Hence the force is one tenth of the total as seen by the calculation.

c.the charges if the proton and electron and gravity

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