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A cart starts from rest at the top of the tilted track. Assume the track is frictionless. The cart passes photogate A moving at speed 2.04 cm/s, and passes photogate B moving at speed 6.05 cm/s. The distance between point A and point B is 79.3 cm.
Part a) Find the magnitude of the acceleration of the cart.
Part b) Find the distance from the top of the track to point A.
Part c) Find the time it took for the cart to move from point A to point B.
Two identical pith balls are hung by insulating strings, touching each other, as in the picture below. The mass of each ball is 0.002kg. Determine the charge on each ball
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On a part-time job, you are asked to bring a cylindrical iron rod of density 7800kg/m3 , length 79.9cm, Calculate the weight of the rod, w
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A cord of length 1.2 m is fixed at both ends. Its mass per unit length is 1.1 g/m and the tension is 11 N. What is the frequency of the fundamental oscillation
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A 5.080 kg block of wood rests on a steel desk, State the force of friction applied to the block by the table at the following times: t=0 and t>0
Four point charges have the same magnitude of 2.18 x10-12 C and are fixed to the corners of a square that is 3.95 cm on a side. Three of the charges are positive and one is negative. find the magnitude of the net electric field that exists at the ..
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