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Answered

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7. A runner runs on the track field with a velocity of 20 m/s and it is known that her momentum is
1,200 kg*m/s. What is the weight of the runner?

Sagot :

lucic

Answer:

Weight of the runner is 60 kilograms

Explanation:

Momentum is the product of weight and velocity.

The formula is : p=mv   where m is mass in kg and v is velocity in m/s

Given in the question ;

v= 20 m/s  and p=1200 kg*m/s

Applying the formula as;

p= mv

1200 = m * 20

1200/20 = m

60 kg = m

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