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A box of mass 32.0 kg is sitting on a ramp which makes an angle of 24.0 degrees with respect to the horizontal. The coefficient of friction between the box and the ramp is 0.31. This box is connected by a massless string over a pulley at the top of the ramp to a second box with a mass of 42.0 kg suspended above the floor. Find the magnitude of the acceleration of the box on the ramp.
You have an uncharged capacitor (12 x 10-6 F) and a resistor (1000 ohms) connected to a battery of 200 V at time t = 0, What is the final charge on the capacitor
An archer shoots an arrow with a velocity of 30 m/s at an angle of 20 degrees with respect to the horizontal. What is the initial speed of the apple
Two cars start from rest at a red stop light. When the light turns green, both cars accelerate forward. What is the acceleration of the yellow car
a force of magnitude 7.50 N pushes three boxes with masses m1 = 1.30 kg, m2 = 2.80 kg, and m3 = 5.30 kg. Find the magnitude of the contact force between boxes 1 and 2
A gas molecule having a speed of 322 m/s collides elastically with another molecule of the same mass, which is initially at rest. Find the speed of each molecule after collision
A 5kg sphere moves at 20m/s makes a perfectly inelastic collision with a second sphere that is at rest. What is the mass of the second sphere
Find the magnitude of total displacement of the object
Find the torque required to over come the viscous force in a journal bearing having Radius of journal R , angular velocity w length of the bearing L and thickness of oil film t
A 130kg mail bag hangs by a vertical rope 3.3m long. As the bag is moved to this position, how much work is done by the worker
q1. a krypton laser produces the cylindrical red laser beam 2.0mm in diameter with 2.0w of power. what is the light
A 74.9-kg skier rides a 3180-m-long lift to the top of a mountain. The lift makes an angle of 17.0 ° with the horizontal
A 0.20-kg baseball is dropped and reaches a speed of 1.0 m/s just before it hits the ground. What is the change in the ball's momentum
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