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Nezavi [6.7K]
3 years ago
5

A skateboarder with a mass of 45 kilograms is riding on a skateboard with a mass of 2.5 kilograms. What should be the velocity o

f the skateboarder if she has to attain a momentum of 264 kilogram meters/second?. . Blaaah Physics.-.
Physics
2 answers:
DanielleElmas [232]3 years ago
6 0
Given momentum (P) and mass (m), the velocity of the object is dividing the momentum by the mass. The total mass of the skateboarder and the skateboard is 47.5 kg. Performing the operation,
                              v = P / m
                             v = (264 kg m/s  / 47.5 kg) = 5.56 m/s
Therefore, the velocity would be 5.56 m/s. 

klasskru [66]3 years ago
5 0
So momentum is just velocity times mass, this means Momentum = Velocity x Mass.
We can rearrange this to be Velocity = Momentum/Mass.

Since we know momentum and mass we can now solve.

Velocity = 264/(45+2.5)
              = 5.56 m/s
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