I need help with these questions... thanks Physics the law of motion In the syst

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I need help with these questions... thanks

Physics the law of motion

In the system shown in the figure below, a horizontal force acts on an object of mass m2 = 6.10 kg. The horizontal surface is frictionless. Consider the acceleration of the sliding object as a function of Fx. (a) For what values of Fx does the object of mass m1 = 2.20 kg accelerate upward? (Indicate the direction of the force with the sign of your answer. Let the positive x direction be to the right.) (b) For what values of Fx is the tension in the cord zero? (Indicate the direction of the force with the sign of your answer. Let the positive x direction be to the right.) (c) Plot the acceleration of the m2 object versus Fx. Include values of Fx from -100 N to +100 N. (Do this on paper. Your instructor may ask you to turn in this work.). A block is given an initial velocity of 4.00 m/s up a frictionless incline of angle theta = 17.0 degree (figure below). How far up the incline does the block slide before coming to rest?

Explanation / Answer

a) Fx>2.20*9.8=21.56 N

b)Fx<m1*9.8

d)s = 4*4/(2*9.8*sin17) = 2.8 m

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