a block of mass 25 kg is given an initial velocity of 10 m/s down a...
a block of mass 25 kg is given an initial velocity of 10 m/s
down a 35 degree inclined plane and slides down the incline with an
acceleration of 5m/s/s.
a) what is the coefficient of kinetic friction between the block
and the incline?
b) what is the length of the incline if it takes 12 s for the block
to reach its foor?
Homework Answers
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a block of mass 25 kg is given an initial velocity of 10 m/s
down a...
15-2. A 20-15 block slides down a 30° inclined plane with an initial velocity of 2...
15-2. A 20-15 block slides down a 30° inclined plane with an initial velocity of 2 ft/s. Determine the velocity of the block in 3 s if the coefficient of kinetic friction between the block and the plane is uk = 0.25.
25. A block of mass 25 kg is sliding down an inclined plane at a speed...
25. A block of mass 25 kg is sliding down an inclined plane at a speed of 5.0 m/s when it passes point A Point A is 5.0 m above the ground. The incline plane makes an angle of 46e above the horizontal. Point B is 1.5 m above the ground The coefficient of kinetic friction is 0.30. Find the speed of the block, in m/s, at point E.
A 28-lb block slides down a 30° inclined plane with an initial velocity of 2 ft/s....
A 28-lb block slides down a 30° inclined plane with an initial velocity of 2 ft/s. Part A 0.29 Determine the velocity of the block in 3 s if the coefficient of kinetic friction between the block and the plane is Express your answer to three significant figures and include the appropriate units. Val Units Submit Request Answer
6. (20 points) A block of mass M-10.0 kg slides down a rough inclined plane with...
6. (20 points) A block of mass M-10.0 kg slides down a rough inclined plane with an acceleration 0.300 m/s. The plane makes an angle theta-30.0 with th block is connected by a string, of negligible mass, that is wrapped around a pulley pulley has a mass Mp-3.00 kg, radius 0.0200 m and may be modeled as a uniform disc e horizontal. The oefficient of kinetic friction on the incline and the torque exerted on the pulley. A numerical value...
Questions 1&2 FP 1. A sliding block of mass m 0.25 kg is subject to a...
Questions 1&2
FP 1. A sliding block of mass m 0.25 kg is subject to a force of magnitude 4 N that makes an angle of ф-30 with the horizontal surface. If the coefficient of kinetic friction between block and surface is 0.5, what is the resulting acceleration of the block along the surface Figure 1: Block on incline. 2. A block of mass m - 5 kg is subject to a force of magnitude 20 N that makes an...
A 2.50 kg block slides down an inclined plane at a 20.0 degree angle (constant velocity)....
A 2.50 kg block slides down an inclined plane at a 20.0 degree angle (constant velocity). a) If the length of the incline is 2.0 m, calculate the work done by the force of gravity. b) Calculate the work done by the force of friction. c) Calculate the net work done by both gravity and friction.
A block with mass m = 5.00 kg slides down a surface inclined 36.9 ∘ to the...
A block with mass m = 5.00 kg slides down a surface inclined 36.9 ∘ to the horizontal (the figure (Figure 1)). The coefficient of kinetic friction is 0.25. A string attached to the block is wrapped around a flywheel on a fixed axis at O. The flywheel has mass 25.0 kg and moment of inertia 0.500 kg⋅m2 with respect to the axis of rotation. The string pulls without slipping at a perpendicular distance of 0.200 m from that axis. A)...
A 1.8 kg block with an initial velocity of 1.2 m/s slides to a stop in...
A 1.8 kg block with an initial velocity of 1.2 m/s slides to a stop in 2.1 m. A) What is the acceleration due to friction? B) What is the kinetic frictional coefficient?
A body is projected up a 25° plane with an initial velocity of 12 m/s. If...
A body is projected up a 25° plane with an initial velocity of 12 m/s. If the coefficient of friction between the body and the plane is 0.25, determine how far the body will move up the plane and the time required to reach the highest point. Also draw a diagram showing the forces acting on the said object. Ans: 11.31 m and 1.88 s The block with a mass of 10 kg subjected to a 80N force, has a...
A 3.70-kg block starts from rest at the top of a 30.09 incline and slides a distance of 1.90 m down the incline in 1.20 s.
A 3.70-kg block starts from rest at the top of a 30.09 incline and slides a distance of 1.90 m down the incline in 1.20 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 1.90 m.
15-2. A 20-15 block slides down a 30° inclined plane with an initial velocity of 2 ft/s. Determine the velocity of the block in 3 s if the coefficient of kinetic friction between the block and the plane is uk = 0.25.
25. A block of mass 25 kg is sliding down an inclined plane at a speed of 5.0 m/s when it passes point A Point A is 5.0 m above the ground. The incline plane makes an angle of 46e above the horizontal. Point B is 1.5 m above the ground The coefficient of kinetic friction is 0.30. Find the speed of the block, in m/s, at point E.
A 28-lb block slides down a 30° inclined plane with an initial velocity of 2 ft/s. Part A 0.29 Determine the velocity of the block in 3 s if the coefficient of kinetic friction between the block and the plane is Express your answer to three significant figures and include the appropriate units. Val Units Submit Request Answer
6. (20 points) A block of mass M-10.0 kg slides down a rough inclined plane with an acceleration 0.300 m/s. The plane makes an angle theta-30.0 with th block is connected by a string, of negligible mass, that is wrapped around a pulley pulley has a mass Mp-3.00 kg, radius 0.0200 m and may be modeled as a uniform disc e horizontal. The oefficient of kinetic friction on the incline and the torque exerted on the pulley. A numerical value...
Questions 1&2
FP 1. A sliding block of mass m 0.25 kg is subject to a force of magnitude 4 N that makes an angle of ф-30 with the horizontal surface. If the coefficient of kinetic friction between block and surface is 0.5, what is the resulting acceleration of the block along the surface Figure 1: Block on incline. 2. A block of mass m - 5 kg is subject to a force of magnitude 20 N that makes an...
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