Given a spring attached to the ceiling as shown in the picture. The figure below (left) shows the unstretched position of the spring with no force acting. Determine the (a) spring constant k when a ball of mass = 0.75 kg hangs on the end of the spring and the spring stretched to a displacement of x = 10 cm; b) the work done on the spring by the mass. unstretched spring Hooke's Law: m = 0.75 kg 0000

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Q: What is meant by a free body diagram? What is its use?

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Q: Given is a graph g a vs. F. Based on given ingormation, calculate mass g an objecet. 3. do F(N)

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Q: 2.2 kg rock is released from rest at the surface of a pond that is 2.5 m deep. As it inks, the rock…

A: Given values:- Mass of rock,(m)=2.2 kg ----(1) Depth,(s)=2.5 m -----(2) Fluid resistance,(FR)=18…

Q: calculate the weight of the hanging mass fg2

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A: In fig-1 -                     R1= W +P        .…

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Q: A student wants to determine the weight of the heaviest object she can push up an incline with a…

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Q: How do you find the normal force between a table with a mass of 35 kg and the floor?

A: The normal force is the upward force exerted by the floor on the table by using the formula N=mg ,…

Q: What are the weight, in N, and the mass, in kg, of a 90 pound gymnast, a 150 pound professor, and a…

A: The weight of the gymnast is, 1lb=4.45NTherefore,Wgym=90lb×4.45N1lb=400N

Q: Sketch and label the following free body diagram, filling in all force vector arrows. - Only the…

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Q: A sprinter with a mass of 84 kg accelerates uniformly from 0 m/s to 6 m/s in 2 s. Assume the…

A: Given data:  Mass (m) = 84 kg Initial velocity (v0) = 0 m/s Final velocity (v) = +6 m/s Time (t) = 2…

Q: A long-distance runner kept up a pace of 8.0 minutes per 1 km for a total of 6530 seconds. How many…

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Q: Is acceleration equal to the net force or directly proportional to the net force? How acceleration…

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Newton’s Third Law of Motion

The horse pulls the cart and the cart pulls the horse in response as per Newton third law. So the big question is, “Don’t the two forces cancel each other? How does the cart accelerate?”