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A uniform 250 ladder rests against a perfectly smooth wall, making a 40.0 angle with the wall.
A) Find the normal forces that the wall on the ladder.
B) Find the normal force that the floor exert on the ladder.
C) What is the friction force on the ladder at the floor?
A 0.700-kg ball is on the end of a rope that is 2.50 m in length. The ball and rope are attached to a pole and the entire apparatus, including the pole, What is the tangential speed of the ball
Two small plastic spheres each have a mass of 1.9g and a charge of -52.0 nC. They are placed 3.0cm apart (center to center). A) What is the magnitude of the electric force on each sphere
A car is traveling along a straight road at a velocity of +39.0 m/s when its engine cuts out. For the next ten seconds the car slows down, Find the velocity of the car at the end of the initial ten-second interval
After reaching his lowest point, he oscillates up and down, hitting a low point eight more times in 44.0. He finally comes to rest 22.0 below the level of the bridge. Illustrate what is the spring stiffness constant?
If the operators of a spy satellite pondered using it to photograph license plate numbers. what is the smallest distance between two points that it can resolve
Will the car hit the barricade
questionnano materials1a. outline the quantum confinement effects in quantum wellsb. outline the density of states for
A transparent oil with index of refraction 1.22 spills on the surface of water (index of refraction 1.33), determine the thickness of the oil slick
Ann uses a hose to water her garden. The water enters the hose through a faucet with a 6.0-cm diameter. what is the diameter of the nozzle
Calculate the electric field intensity at a distance of 14 cm from the center of the shell
A boy whirls a stone in a horizontal circle of radius 1.2 m and at height 2.0 m above ground level. find the magnitude of the centripetal acceleration of the stone
Find out the radial acceleration of the ball during its circular motion.
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