A 350-G Air Track Cart on a Horizontal Air Track

question 55

Short Answer

A 350-g air track cart on a horizontal air track is attached to a string that goes over a frictionless pulley with a moment of inertia of 6.00 × 10^-6 kg ∙ m² and a radius of 1.35 cm.If the string is pulled vertically downward by a force of 2.50 N,(a)what is the magnitude of the acceleration of the cart,and (b)what is the force that the horizontal string between the pulley and the cart exerts on the cart?

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