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Two thin beams are joined end-to-end as shown in the figure to make a single object. (The object is seen from the side.) The left beam is 11.9kg and 1.00 m long and the right one is 40.3kg and 2.00 m long. What is the gravitational torque on the object about an axis through its left end?
Calculate approximately E at a distance of 40 m (large relative to the plate size) by assuming that the plate is a point charge.
You push with a 20 N horizontal force on a 2 kg mass resting on a horizontal suface against a horizonatal friction forces of 12N. What is the accerlation.
On another planet the simple pendulum consisting of a 0.154 kg mass suspended on a 1.20 m long string has a period of 3.860 seconds. What is acceleration on this planet.
A cart of mass 6.8 kg is moving with a velocity of 15.2 m/s. It makes a head-on perfectly inelastic collision with a stationary cart B with mass 6.4 kg causing them to travel with the velocity 7.63 m/s. What is the velocity of cart B.
A bullet is fired through a board 10.0 cm thick in such a way that the bullet's line of motion is perpendicular to the face of the board, Find the acceleration of the bullet as it passes through the board
Heather and Jerry are standing on a bridge 51 above a river. Heather throws a rock straight down with a speed of 12. Jerry, at accurately the same instant of time, throws a rock straight up with the same speed. Ignore air resistance.
A simple pendulum with a period T = 2.00 s is attached to the ceiling of an elevator which is initially at rest, Calculate the period of oscillations when the elevator accelerates downwards
The crest of the second hill is circular, with a radius of r = 35m. Avoid friction and air resistance. What must be the height h of the first hill so that skier just loses contact with the snow at the crest of the second hill.
A motorist driving along a straight road at a constant speed of 60 -m/s. At time t=0 she passes a parked motorcycle police officer and begins to accelerate at the constant acceleration.
Calculate the amount Stansfield should report as net cash provided (used) by financing activities in its 2010 statement of cash flows. (Enter amount as positive.)
A 380kg piano slides 3.2m down a 27â degrees incline and is kept from accelerating by a man who is pushing back on it parallel to the incline, What is the force exerted by the man
A cylindrical storage tank has a radius of 1.22 m. When filled to a height of 3.71 m, it holda 14 300 kg of a liquid industrial solvent.
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