Determine the initial kinetic energy of the automobile

Reference no: EM13491620

A 2600 kg automobile is traveling at 20 m/s when the brakes are applied. The braking force is 10192 N. Use work-energy methods for this problem.

a. Determine the initial kinetic energy of the automobile. joules

b. Determine the work required to stop the automobile. joules

c. Find the distance required to stop the car. m

Now, let's repeat this problem, but with the driver moving at two times the initial speed. That is, at 40 m/s

d. Determine the initial kinetic energy of the automobile. joules

e. Determine the work required to stop the automobile. joules

f. Find the distance required to stop the car. m

g. How do the stopping distances compare when the speed has been doubled?

Reference no: EM13491620

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