A8.2-kg mass slides down a flat hill that makes an angle of 320 with the horizontal....
A sled with mass 30 kg slides 40 m down a hill angled at 20 degrees to the horizontal. The coefficient of friction between the sled and the ground is 0.2. a) How much work does gravity do on the sled? b) How much work does the normal force do on the sled? c) How much work does friction do on the sled? d) What is the net work done on the sled e) if the sled begins at rest...
A block of mass m slides down an incline which makes an angle with horizontal. The block is initially at a height h, and co-efficient of friction is uk. What will be the work done by the friction force when it reaches the bottom? O-uzmgh O-ukmgh cos e O-Himgh sin e O -Himgh tan @ O-mgh Onone of them are correct
A block slides down a frictionless ramp, which makes a 30 degree angle to the horizontal floor. The block slides the full 180m all the way down the ramp, where it encounters a flat surface with friction. It slides for 250m before it finally comes to rest. a.) what is the speed at the bottom of the ramp? b.) What is the coefficient of friction on the flat surface? c.) What is the total time the block was in in...
A 2 kg ball is sliding east (without friction) down a hill that makes an angle of 30 degrees with the horizontal. A child kicks the ball north with a force of 10 N. What is the net acceleration of the kicked ball?
A 4.5-kg block slides down an inclined plane that makes an angle of 28° with the horizontal. Starting from rest, the block slides a distance of 2.4 m in 5.2 s. Find the coefficient of kinetic friction between the block and plane.
Part A A 6.0 kg box slides down an inclined plane that makes an angle of 39° with the horizontal. If the coefficient of kinetic friction is 0.37, at what rate does the box accelerate down the slope? 4.5 m/s2 4 m/s2 3.4 m/s2 3.7 m/s2
A block of mass M slides down a plane inclined at an angle θ, and the friction is negligible. (a) What is the normal force? (b) What is the net force parallel the plane? (c) What is the acceleration of the block?
A 100-kg block slides up or down a frictionless inclined plane that makes an angle of 30°. What is the acceleration of the block on the x-direction (parallel to the plane)? What is the magnitude of the normal force on the block?How would the acceleration change if friction is present?
A 2.30 kg block slides down a 16.0 m long ramp that makes an angle of 55.0degree with the horizontal. It starts at rest. (a) What is the block's speed at the bottom of the ramp? Use conservation of energy to find your answer. (b) The block collides and sticks to another block at rest that has 4 times its mass. What is the speed of the combined blocks? (c) A force stops the combined masses in a distance of...
A 1 kg block slides down an inclined plane which makes an angle of 30degree to the horizontal. Starting from rest, it is found to have a speed of 3 m/s after it has moved through a distance of 1.6 m. Find the amount of mechanical energy dissipated due to friction as the block slides down the plane, and hence find the coefficient of friction between the block and the plane, Explain your steps and reasoning. Remember to draw a...