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A 28.0-kg block is connected to an empty 2.46-kgbucket by a cord running over a frictionless pulley. The coefficient of static friction between the table and the block is 0.47 and the coefficient of kinetic friction between the table and the block is 0.26. Sand is gradually added to the bucket until the system just begins to move. Ignore mass of cord.
Calculate the acceleration of the system.
Calculate the mass of sand added to the bucket.
find the x and y components of each vector.
A 1.8 kg ball of putty moving to the right has a head-on inelastic collision with the .50 kg putty ball moving to the left. If the combined blob doesn't move just after the collision, what can you end about the relative speeds of the balls before the..
When the crate is moving, the frictional force between the floor and the crate has a magnitude of 122.0 N. If the crate starts from rest, explain how fast will it be moving after the man has pulled it a distance of 2.30 m?
A narrow beam of light with wavelengths from 450 nm to 700 nm is incident perpendicular to one face of a 32.00, What is the angular spread of the beam after passing through the prism
Laser light at 635 falls on a double-slit apparatus with slit separation 6.9 .Find out the separation between the third and fourth bright fringes, as seen on a screen 1.4 from the slits.
A subway train starts from rest at a station and accelerates at a rate of 1.50m/s2 for 14.2s . It runs at constant speed for 69.6s and slows down at a rate of 3.51m/s2 until it stops at the next station. find total distance covered? express answer..
Assume someone drops an apple from a vertical distance of 6.0 meters, directly above the point where the arrow hits the tree.
The hemisphere is placed on its flat surface, with the center directly over a 2.5 mm long line drawn on a sheet of paper. What length of line is seen by someone looking perpendicularly down on the hemisphere?
A Mercedes-Benz 300SL (m = 1700 kg) is parked on a road that rises 20° above the horizontal. What is the magnitude of the normal force
While visiting Planet Physics, you toss a rock straight up at 14m/s and catch it 2.5s later. determine the mass of Planet Physics
Finally a thin rod of mass 7 kg is added between the two particles Since the particles are moving perpendicular to the line separating them, What the angular frequency of rotation of the rod + particles system
An athlete at a gymnasium holds a 3.0kg steel ball in his hand. His arm is 70cm long and has a mass of 4.0kg. Calculate the magnitude of the torque about his shoulder if he holds his arm
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