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In the system shown in the figure below, a horizontal force F with arrowx acts on an object of mass m2 = 8.60 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 = 1.90 kg accelerate upward? (Indicate the direction of the force with the sign of your answer. Let the positive x direction be to the right.) Fx > N (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.) Fx ≤ N (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.).
What is the charge on the drop. A 13 kg child on a playground swing moves with a speed of 3.6 m/s when the 6.0 m long swing is at its lowest point. What is the angle that swing makes with the vertical when the child is at the highest point.
A 6.00 uC charge is placed at the origin and a second charge is placed on the x-axis at x = 0.300 m. what is the force on the charge at the origin
Consider a binary star system in which the two stars have masses M1 and M2 and the stars move on circular orbits separated by a distance R
A cyclist starts from rest and pedals such that the wheels of his bike have a constant angular acceleration. What is the angular acceleration of the wheels
A 20 g bullet traveling at 300 m/s is shot into a 4.0 kg block at rest on a frictionless horizontal surface. What is the speed of the block right after shooting
A very small object carrying -3 x 10-6 C of charge is attracted to a large, How much Kinetic Engergy does the negatively charged object gain
A rock is dropped off the side of a bridge and hits the water below 5.7 s later. What is the height of the bridge above the water
At a dock, a crane lifts a 1200 kg container 30 m, swings it out over the deck of a frieghter, and lowers the container into the hold of the freighter, which is 10 m below the level of the dock. The acceleration of gravity is 9.8 m/s2. Neglect fri..
A disk of radius R = 9 cm is pulled along a friction less surface with a force of F = 15 N by a string wrapped around the edge. At the instant when d = 28 cm of string has unwound off the disk, what is torque exerted about the center of the disk.
Calculate the electrical potential at the center of the square described as follows: Four charges are placed at the corners of a 20 cm square
A golf ball (mass = 46 g) is struck by a golf club (mass = 210 g). The club head's velocity, how fast is the ball moving after impact
A 2.0 kg mass is connected to a spring with a spring constant of 9.0 N/m. What is the period of this simple harmonic motion
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