A weightlifter stand on bathroom scale anf pumps a 5kg barbell up and down. Her mass...

A weightlifter stand on bathroom scale anf pumps a 5kg barbell up and down. Her mass is 60kg.

A) what is her reading on the bathroom scale ?

B) she throws the barbell up with an acceleration of 0.5 m/s^2. What is the reading of the scale as the barbell leaves her hand ?

Expert Solution

genius_generous answered 3 years ago

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