Two horizontal forces,  and , are acting on a box, but only  is shown in the drawing.  can point either to the right or to the left. The box moves only along the x axis. There is no friction between the box and the surface. Suppose that  = +8.4 N and the mass of the box is 3.9  kg. Find the magnitude and direction of  when the acceleration of the box is (a) +6.8 m/s2, (b) -6.8 m/s2, and (c) 0 m /s2.

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Q: The velocity of a 1.7 kg block sliding down a frictionless inclined plane is found to be 1.15 m/s.…

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Q: A 5 kg block resting on a frictionless inlined plane with an angle of 20° is attached to another 5…

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Q: two masses mı = 2.00 kg and m2 = 1.00 kg are cognected by a massless string passing over a massless…

A: Given- Mass m1= 2 kg Mass m2 = 1 kg Coefficient of kinetic friction μk=0.1 Constant force F= 20 N

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A: Given:  m1 = 38.4 kgm2 = 15.2 kg

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Q: Two horizontal forces,  and , are acting on a box, but only  is shown in the drawing.  can point…

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Q: Q1/A 50.0kg woman inside an elevator is standing on a scale. How will the acceleration of the…

A: Note: As per Bartleby guidelines only three parts will be answered please upload other parts…

Q: packing crates of masses m1 = 10.0 kg and m2 = 4.00 kg are connected by a light string that passes…

A: According to Newton's second law F = ma Acceleration a = F/a

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A: See below

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Electric Charges and Fields

One of the fundamental properties is the electromagnetic property. Charge cannot be destroyed by any process and this contributes formally to the law of charge conservation.