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Q1. A 1250 N uniform beam is attached to a vertical wall at one end and is supported by a cable at the other end. A W = 1960 N crate hangs from the far end of the beam.
Q2. Dan is gliding on his skateboard at 2.0 m/s. He suddenly jumps backward off the skateboard, kicking the skateboard forward at 8.0 m/s. How fast is Dan going as his feet hit the ground? Dan's mass is 60 kg and the skateboard's mass is 5.0 kg.
Q3. A 18 kg box slides 4.0m down the frictionless ramp (30 degrees) shown in the figure , then collides with a spring whose spring constant is 140 N/m. What is the maximum compression of the spring, and at what compression of the spring does the box have its maximum speed?
Two parallel conducting plates are separated by 10.0 cm, and one of them is taken to be at zero volts. What is the voltage between the plates
Body A in the figure weighs 122 N, and body B weighs 33.5 N. The coefficients of friction between A and the incline are, What is the acceleration of A if A is initially at rest
Sketch the shear force and bending moment diagram and Verify that the support reactions are correct.
You want to take a full-length photo of your friend who is 1.94m tall, using a 35.0mm camera having a 50.0mm lens, How far is the lens from the film
A frictionless simple pendulum on Earth has a period of 1.75 s. On Planet X its period is 2.14 s. What is the acceleration due to gravity on Planet X
Helium forms a solid at low temperatures and high pressures. To maintain the order present in a solid, each atom must remain at its assigned position, Find the uncertainty in momentum of the helium atom
A circular solenoid contains 100 turns of wire and carries a current of 2 amps. Calculate the magnetic flux through one turn of the wire making the solenoid
generator has a terminal voltage of 115 V when it delivers 18.0 A, alculate the emf (e m f) and the internal resistance (r) of the generator
An electron has an initial velocity of 5.00 106 m/s in a uniform 3.00 105 N/C strength electric field. What is the direction of the electric field
An athlete at the gym holds a 1.2 kg steel ball in his hand. His arm is 64 cm long and has a mass of 4.0 kg. Evaluate the magnitude of the torque about his shoulder if he holds his arm straight, but 30 degrees below horizontal?
A 266 kg log is pulled up a ramp by means of a rope that is parallel to the surface of the ramp. Find the tension in the rope
A person with a mass of 81Kg and a volume of .089M^3 floats quietly in water. What is the volume of the person that is above water
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