You pull a short refrigerator with a constant force across a greased (frictionless) floor, either with horizontal (case 1) or with tilted upward at an angle 38° (case 2). (a) What is the ratio of the refrigerator's speed in case 2 to its speed in case 1 if you pull for a certain time t? (b) What is this ratio if you pull for a certain distance d?

asked by karim

13 years ago

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1 answer

a. cos38
b. radical (cos38)

glad to help one of my classmates in AUB ;)

answered by E

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Question

You pull a short refrigerator with a constant force across a greased (frictionless) floor, either with horizontal (case 1) or with tilted upward at an angle 38° (case 2). (a) What is the ratio of the refrigerator's speed in case 2 to its speed in case 1 if you pull for a certain time t? (b) What is this ratio if you pull for a certain distance d?

1 answer

a. cos38
b. radical (cos38)

glad to help one of my classmates in AUB ;)

E · Accepted Answer

a. cos38 b. radical (cos38) glad to help one of my classmates in AUB ;)