A bolt falls off an airplane high above the ground. How far does the bolt have to fall before its speed reaches 100m/s (about 200 miles per hour) ? You should ignore air friction in your calculation.

Question

Jett

Physics

18 September, 03:53

A bolt falls off an airplane high above the ground. How far does the bolt have to fall before its speed reaches 100m/s (about 200 miles per hour) ? You should ignore air friction in your calculation.

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Bridger Carey · Answer 1

We can use the equation vf (the final velocity) = vi (the initial velocity) + at (aceleration times time)

We know the final velocity 100m/s, the initial velocity 0, and the acceleration (gravity) 9.8m/s^2. So, 100=0+9.8t. t=100/9.8