Physics, 19.01.2021 04:10 temily0303
A 51 kg pole vaulter falls from rest from a height of 4.8 m onto a foam rubber pad. The pole vaulter comes to rest 0.31 s after landing on the pad.
a) Calculate the athlete’s velocity just before reaching the pad
b) Calculate the constant force exerted on the pole vaulter due to the collision.
Answers: 3
Physics, 22.06.2019 10:30
The uniform slender bar rests on a smooth horizon- tal surface when a force f is applied normal to the bar at point a. point a is observed to have an initial acceleration aa of 20 m/s2, and the bar has a corre- sponding angular acceleration of 18 rad /s2. deter- mine the distance b.
Answers: 1
A 51 kg pole vaulter falls from rest from a height of 4.8 m onto a foam rubber pad. The pole vaulter...
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