A student m1 66 kilogram stands on a long cart m2 122, Ask an Expert

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A student m1 = 66 kilogram stands on a long cart m2 = 122 kilogram initially at rest. He begins to run in the cart with a speed relative to the ground of v1 = 3.1 meter per second.

Part (a) Write an expression for the carts velocity relative to the ground while the student is running. Suppose the student is running in the positive x-direction.

Part (b) Determine the velocity in meters per second?

Part (c) Find the student velocity relative to the cart in meters per second?

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