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Jumping problem

  • Thread starter N2
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N2
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Hello,
A flee jumps a horizontal distance of 0.035m with an angle of 70°.
I calculated the startspeed, v0, to 0.73m/s (projectile motion) - but then im asked the following:
"What is the flee's average acceleration, if the startspeed is achieved after a take-off on 8.0 * 10^(-4) m"
How should i interpret the this situation?( As the startspeed being zero, and the flee accelerating to point where the speed, v0, is achieved? sounds odd to me)
 

Answers and Replies

HallsofIvy
Science Advisor
Homework Helper
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N2 said:
Hello,
A flee jumps a horizontal distance of 0.035m with an angle of 70°.
I calculated the startspeed, v0, to 0.73m/s (projectile motion) - but then im asked the following:
"What is the flee's average acceleration, if the startspeed is achieved after a take-off on 8.0 * 10^(-4) m"
How should i interpret the this situation?( As the startspeed being zero, and the flee accelerating to point where the speed, v0, is achieved? sounds odd to me)
If you assume a constant acceleration, a (the average acceleration), then the final speed is at= 0.73m/s and the distance is (1/2)at2= 8.0 x10-4m. Solve those two equations to find a.
 

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