After successfully clearing the bar during the pole vault, the vaulter falls to the landing cushion while trying in calculate the impulse / if the mass is 78.4 kg and has a velocity of -12.5. just prior to landing. What in the linear momentum of the vaulter just prior to impact?
Question
After successfully clearing the bar during the pole vault, the vaulter falls to the landing cushion while trying in calculate the impulse / if the mass is 78.4 kg and has a velocity of -12.5. just prior to landing. What in the linear momentum of the vaulter just prior to impact?
Solution
The linear momentum of an object can be calculated using the formula:
Momentum = mass * velocity
Given in the problem, the mass (m) of the vaulter is 78.4 kg and the velocity (v) is -12.5 m/s.
Substitute these values into the formula:
Momentum = 78.4 kg * -12.5 m/s
Calculate the product to find the momentum:
Momentum = -980 kg*m/s
So, the linear momentum of the vaulter just prior to impact is -980 kg*m/s. The negative sign indicates that the momentum is directed downwards, which makes sense as the vaulter is falling towards the ground.
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