Entries by Hannah Wangui

What is its speed when it hits the ground?

Question A student drops a water balloon out of a dorm window 28 m above the ground. What is its speed when it hits the ground?   Looking for a Similar Assignment? Order now and Get 10% Discount! Use Coupon Code “Newclient”

 

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A worker at the top of a 504-m-tall television transmitting tower

Question A worker at the top of a 504-m-tall television transmitting tower accidentally drops a heavy tool. If air resistance is negligible, how fast (in m/s) is the tool going just before it hits the ground?   Looking for a Similar Assignment? Order now and Get 10% Discount! Use Coupon Code “Newclient”

 

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how much work (in J) does the driver do?

Question A motorist runs out of gas on a level road 210 m from a gas station. The driver pushes the 1,100 kg car to the gas station. If a 160 N force is required to keep the car moving, how much work (in J) does the driver do?   Looking for a Similar Assignment? Order now and Get 10% Discount! Use […]

 

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A running back with a mass of 90 kg and a speed of 5 m/s

Question A running back with a mass of 90 kg and a speed of 5 m/s collides with, and is held by, a 135-kg defensive tackle going in the opposite direction. How fast must the tackle be going before the collision for their speed afterward to be zero?   Looking for a Similar Assignment? Order now and Get 10% Discount! Use Coupon Code […]

 

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