Entries by Hannah Wangui

A bicycle and rider going 13 m/s approach a hill.

Question A bicycle and rider going 13 m/s approach a hill. Their total mass is 84 kg. (a) What is their kinetic energy? (b) If the rider coasts up the hill without pedaling, how high above its starting level will the bicycle be when it finally rolls to a stop?   Looking for a Similar Assignment? Order now and […]

 

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how fast are the divers going when they hit the water?

Question The cliff divers at Acapulco, Mexico, jump off a cliff 21.7 m above the ocean. Ignoring air resistance, how fast are the divers going when they hit the water?   Looking for a Similar Assignment? Order now and Get 10% Discount! Use Coupon Code “Newclient”

 

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How high (in m) will the swing be at the high point?

Question A child on a swing has a speed of 2.2 m/s at the low point of the arc. How high (in m) will the swing be at the high point?   Looking for a Similar Assignment? Order now and Get 10% Discount! Use Coupon Code “Newclient”

 

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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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