Starting from rest at t = 0, a 5.0-kg block is pulled across a horizontal surface by a constant horizontal force having a magnitude of 12 N. If the coefficient of friction between the block and the surface is 0.20, at what rate is the 12-N force doing work at t = 5.0 s? 26 kW O 0.12 kW 0.14 kW 12 kW 0.13 kW

Starting from rest at t = 0, a 5.0-kg block is pulled across a horizontal surface by a constant horizontal force having a magnitude of 12 N. If the coefficient of friction between the block and the surface is 0.20, at what rate is the 12-N force doing work at t = 5.0 s? 26 kW O 0.12 kW 0.14 kW 12 kW 0.13 kW

Name: Starting from rest at t = 0, a 5.0-kg block is pulled across a horizo
Uploaded: 2024-03-20T06:57:25.000Z
Channel: Bartleby
Description: Starting from rest at t = 0, a 5.0-kg block is pulled across a horizontal surface by aconstant horizontal force having a magnitude of 12 N. If the coefficient of frictionbetween the block and the surface is 0.20, at what rate is the 12-N force doing

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

See similar textbooks

Similar questions

Starting from rest, a 4.2-kg block slides 2.20 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. (b) Determine the work done by the friction force between block and incline. (c) Determine the work done by the normal force.
A sledge loaded with bricks has a total mass of 18.9 kg and is pulled at constant speed by a rope inclined at 19.5° above the horizontal. The sledge moves a distance of 19.8 m on a horizontal surface. The coefficient of kinetic friction between the sledge and surface is 0.500. (a) What is the tension in the rope? ____N(b) How much work is done by the rope on the sledge? _______kJ(c) What is the mechanical energy lost due to friction? _____kJ
A water-skier is being pulled by a tow rope attached to a boat. As the driver pushes the throttle forward, the skier accelerates. A 61.2-kg water-skier has an initial speed of 5.1 m/s. Later, the speed increases to 12.1 m/s. Determine the work done by the net external force acting on the skier.
A hockey puck of mass 0.26 kg is sliding along a slippery frozen lake, with an initial speed of 64 m/s. The coefficient of friction between the ice and the puck is eventually causes the puck to slide to a stop. Find the work done by friction. J = 0.031. Friction
A factory worker pushes a 24.0 kg crate a distance of 8.0 m along a level floor at constant velocity by pushing horizontally on it. The coefficient of kinetic friction between the crate and floor is 0.24. What magnitude of force must the worker apply? How much work is done on the crate by this force? How much work is done on the crate by friction?
A child on a sled is initially at rest on an icy horizontal surface. The sled is pushed until it reaches a final velocity of 6.05 m/s in a distance of 15.6 m. The coefficient of friction between the ice and runners of the sled is 0.200, and the weight of the child and the sled is 375 N. Find the work done by the force pushing the sled.
A 24.5 kg child pulls a 3.75 kg toboggan up a hill inclined at 25.7° to the horizontal. The vertical height of the hill is 30.3 m. Friction is negligible. (a) Determine how much work the child must do on the toboggan to pull it at a constant velocity up the hill. (b) Now suppose that the hill is inclined at an angle of 19.6° but the vertical height is still 30.3 m. What conclusion can you make?
A child on a sled is initially at rest on an icy horizontal surface. The sled is pushed until it reaches a final velocity of 6.60 m/s in a distance of 12.8 m. The coefficient of friction between the ice and runners of the sled is 0.200, and the weight of the child and the sled is 335 N. Find the work done by the force pushing the sled.
A 5-kg block slides a distance d = 6 m down a rough incline as in the figure with 0 = 49° and v₁ = 0.71 m/s, reaching a final speed of v2 = 2.03 m/s. How much work was done by friction on the block during the slide? m 01 d W = m 0 _J 02
A water-skier is being pulled by a tow rope attached to a boat. As the driver pushes the throttle forward, the skier accelerates. A 79.5-kg water-skier has an initial speed of 7.4 m/s. Later, the speed increases to 10.6 m/s. Determine the work done by the net external force acting on the skier.
A sledge loaded with bricks has a total mass of 18.9 kg and is pulled at constant speed by a rope inclined at 19.5° above the horizontal. The sledge moves a distance of 19.8 m on a horizontal surface. The coefficient of kinetic friction between the sledge and surface is 0.500. (a) What is the tension in the rope? ___N(b) How much work is done by the rope on the sledge? ____kJ(c) What is the mechanical energy lost due to friction? ____kj
Starting from rest, a 6.6-kg block slides 3.3 m down a rough 36-degree incline. The coefficient of kinetic friction between the block and the incline is μk = 0.49. Determine the net work done on the block.