Physics, 26.11.2019 06:31, mshepherdmiller
Ashopper in a supermarket pushes a cart with a force of 48.0 n directed at an angle of 25.0° below the horizontal. the force is just sufficient to balance various friction forces, so the cart moves at a constant speed.
a. find the work done by the shopper as she moves down a 50.0 m length aisle.
b. what is the net work done on the cart?
c. the shopper goes down the next aisle, pushing horizontally and maintaining the same speed as before. if the work done by frictional forces doesn't change, would the shopper's applied force be larger, smaller , or the same? what about the work done on the cart by the shopper?
Answers: 2
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Bernie drove home from a vacation in 1.5 hours. he traveled a total distance of 60 miles. what was his average speed in miles per hour? a. 60 mph b. 90 mph c. 40 mph d. 55mph
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Physics, 23.06.2019 00:00, pchisholm100
You are standing on a boat. which of the following strategies will make the boat start moving? a. pushing the mast b. throwing some cargo out of the boat c. pushing the front ofthe boat d. pushing another passenger
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Which of the following is the largest disadvantage of about half of the electricity in the united states comes from burning
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Ashopper in a supermarket pushes a cart with a force of 48.0 n directed at an angle of 25.0° below t...
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