A roaller-coaster cart initially moves with a speed of 8.92 m/s up an incline, without friction. If the mass of the cart is 55.6 kg What is the cart's kinetic energy?

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Q: D 90 Za Р: 2d ne -O -90

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Q: Three boxes are attached together with ropes having tensions T₁ and T2, as shown in the figure…

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Q: A 1.81-kg box rests atop a massless vertical spring with k = 3820 N/m that has been compressed by…

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Q: Suppose a spectral line from an object in space was shifted from 5007.0 to 5100.0 Angstroms. What…

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Q: The figure below shows three edge views of a square loop with sides of length ℓ = 0.375 m in a…

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Q: The resistance between terminals a and b in the figure below is 65 2. If the resistors labeled R…

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Q: A 4.0cm^3 block of lead has what mass?

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Q: 20. Spring Motion A weight attached to a spring is pulled down 2 in. below the equilib- rium…

A: initial pull of the spring = 2 inch below the equilibrium time period (T) = 13 sec