3. Starting from rest, a 5.20-kg block slides 1.60 m down a rough 30.0° incline. The coefficient of kinetic friction between the block and the incline is
μk = 0.436.
(a) Determine the work done by the force of gravity. J
(b) Determine the work done by the friction force between block and
incline. J
(c) Determine the work done by the normal force. J
(d) Qualitatively, how would the answers change if a shorter ramp
at a steeper angle were used to span the same vertical height?
3. Starting from rest, a 5.20-kg block slides 1.60 m down a rough 30.0° incline. The...
Starting from rest a 5.5 kg block slides 2.5 m down a rough 30 degree incline. The coefficient of kinetic friction between the block and the incline is uk =.436. A. Determine the work done by the force of gravity. B. Determine the work done by the friction force between the block and incline. C. Determine the work done by the normal force. Show all work and free body diagrams
12. |-/3 POINTS MY NOTES ASK YOUR TEACHER Starting from rest, a 4.90-kg block slides 3.00 m down a rough 30.0° incline. The coefficient of kinetic friction between the block and the incline is Mx = 0.436. (a) Determine the work done by the force of gravity. נר (b) Determine the work done by the friction force between block and incline. CJ (c) Determine the work done by the normal force. CJ Show My Work (Optional)
A 2.70-kg block starts from rest at the top of a 30.0° incline and slides a distance of 1.70 m down the incline in 1.80 s. (b) Find the coefficient of kinetic friction between block and plane. (c) Find the friction force acting on the block. d) Find the speed of the block after it has slid 1.70 m.
A 50 kg block of ice slides down an incline 2 m long and 1 m high. A worker pushes up on the ice parallel to the incline so that it slides down at constant speed. The coefficient of kinetic friction between the ice and the incline is 0.1. Find (a) the force exerted by the worker, (b) the work done by the worker on the block of ice, and (c) the work done by gravity on the ice.
block starts from rest at the top of a 30.0° incline and slides 2.00 m down the incline in 1.75s. a) Find the acceleration of the block b) Find the speed of the block after it has slid 2.00 m c) Find the frictional force acting on the block d) Find the normal contact force e) Find the coefficient of kinetic friction
A 3.90-kg block starts from rest at the top of a 30.0° incline and slides a distance of 2.10 m down the incline in 2.00 s. (a) Find the magnitude of the acceleration of the block. (b) Find the coefficient of kinetic friction between block and plane. (c) Find the friction force acting on the block. (d) Find the speed of the block after it has slid 2.10 m.
A 3.60-kg block starts from rest at the top of a 30.0° incline and slides a distance of 1.70 m down the incline in 1.40 s. (a) Find the magnitude of the acceleration of the block.m/s2 (b) Find the coefficient of kinetic friction between block and plane. (c) Find the friction force acting on the block. (d) Find the speed of the block after it has slid 1.70 m.
An object of mass 8.00 kg starts from rest and a slides 2.00 m down a rough 35.0° incline. The coefficient of kinetic friction between the block and the incline is 0.366. Determine (b) the work done by the friction force between block and incline (This part (b) of the previous question) 0 -47.00 0 -23.5) 0 -38.6) O-46.3)
A 2.10-kg block starts from rest at the top of a 30.0° incline and slides a distance of 2.10 m down the incline in 1.00 s. (a) Find the magnitude of the acceleration of the block. m/s2 (b) Find the coefficient of kinetic friction between block and plane. (c) Find the friction force acting on the block. magnitude N direction ---Select--- up the incline down the incline normal to the incline and upward normal to the incline and downward (d)...
A 3.50-kg block starts from rest at the top of a 30.0° incline and slides a distance of 1.90 m down the incline in 2.00 s. (a) Find the magnitude of the acceleration of the block. .............. m/s2 (b) Find the coefficient of kinetic friction between block and plane. (c) Find the friction force acting on the block. magnitude ...........N (d) Find the speed of the block after it has slid 1.90 m. ................. m/s