A girl lifts a pile of books with a total mass of 5kg through a...

a girl lifts a 100 N load a height of 2.0 m in a time of 0.5 s. what power does the girl produce?

A girl lifts a 12 N weight 1.5 meters. How much work does she do on the weight?

A pile of 108 identical books has a mass of 30 kg. Find (a)the mass of 150 books and (b)the numb...

A girl lifts her 20-kg knapsack a vertical distance of 0.70 m and then she carries it 2510 m across...

A girl lifts her 30-kg (294 N) knapsack a vertical distance of 0.50 m and then she carries it 10 m a...

A pile driver lifts a 450 kg weight and then lets it fall onto the end of a steel pipe that needs to...

A large pile of books is divided into four equal-sized stacks. How many books are in each pile if th...

A large pile of books is divided into four equal-sized stacks. How many books are in each pile if...

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