The crate has a mass of 150 kg as shown inthe figure below. It rests on a surface forwhich the coefficients of static and kineticfriction are 0.3 and 0.2 respectively. If themotor M supplies a cable force of F = (8t2 +%3|20) N, where t is in seconds, determine thepower output developed by the motor when t% =5 seconds. (Use the Kinematic of Particlesequations and the second law of Newton).MO a. 1562 WattO b. 3986.7 WattOc. 1124.97 WattO d. 1704.5 Watt

Answered: Image /qna-images/answer/189cca12-2c10-4078-89d6-ed5c87b3e25b.jpg

The crate has a mass of 150 kg as shown in the figure below. It rests on a surface for which the coefficients of static and kinetic friction are 0.3 and 0.2 respectively. If the motor M supplies a cable force of F (8t2 + %3D 20) N, where t is in seconds, determine the power output developed by the motor when t% D 5 seconds. (Use the Kinematic of Particles equations and the second law of Newton). M

The crate has a mass of 150 kg as shown in the figure below. It rests on a surface for which the coefficients of static and kinetic friction are 0.3 and 0.2 respectively. If the motor M supplies a cable force of F (8t2 + %3D 20) N, where t is in seconds, determine the power output developed by the motor when t% D 5 seconds. (Use the Kinematic of Particles equations and the second law of Newton). M

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

A block with a mass of 39.5 kg is pushed with a horizontal force of 150 N. The block moves at a constant speed across a level, rough plane a distance of 5.95 m. (a) What is the work done (in J) by the 150 N force? (b) What is the coefficient of kinetic friction between the block and the plane?
A mountain climber is about to haul up a 90-m length of hanging rope. How much work will it take if the rope weighs 0.65 N/m? Set up the integral that gives the work done. (Type an exact answer, using radicals as needed.)
(a) A block with a mass m is pulled along a horizontal surface for a distance x by a constant force F at an angle e with respect to the horizontal. The coefficient of kinetic fric- tion between block and table is uz Is the force exerted by friction equal to µ̟mg? If not, what is the force exerted by friction? (b) How much work is done by the friction force and by F? (Don't forget the signs.) (c) Identify all the forces that do no work on the block. (d) Let m = 2.00 kg, x = 4.00 m, 0 = 37.0°, F = 15.0 N, and uz the answers to parts (a) and (b). 0.400, and find
A block of mass m is on an inclined ramp. The ramp makes anangle θ with respect to the horizontal, as shown. The ramp hasfriction, with coefficient of kinetic friction μk and static friction μs.This experiment takes place on earth.The block has an initial speed of v up the ramp. It travels adistance d along the ramp before it stops.Answer using variables, please d) Calculate the work done by the Friction force as the block travels the distance d.Is it positive, negative, or zero?e) If the block comes to rest, how far has it travelled?Use the work-energy principle and your results of parts b), c), and d).f) Briefly (one sentence) explain why this problem could not be solved using conservation ofenergy.
a 95 kg runningback runs acceleration from 5.0 m/s to a final velocity. determine his final velocity given that the power is 200 joule/sec. and the running was done for 5 seconds.
A 4.8 kg box has an acceleration of 1.8 m/s? when it is pulled by a horizontal force across a surface with 4, = 0.50. Find the work done over a distance of 22 cm by the following forces. (Enter your answers in joules.) (a) the horizontal force (b) the frictional force (c) the net work (d) what is the change in kinetic energy of the box?
A 28-kg block is pulled along the ground for a distance of 5.1 m by an 85 N force at an angle of 21 degrees with respect to the horizontal. The coefficient of kinetic friction is 0.22. Find the work done (in J) by the force of friction. Find the work done (in J) by the force of friction.
Consider the system shown below (Figure 1). The rope and pulley have negligible mass, and the pulley is frictionless. Initially the 6.00 kgkg block is moving downward and the 8.00 kgkg block is moving to the right, both with a speed of 0.600 m/sm/s. The blocks come to rest after moving 3.50 mm. Use the work-energy theorem to calculate the coefficient of kinetic friction between the 8.00 kgkg block and the tabletop.
(a) Find the useful power output (in W) of an elevator motor that lifts a 2400 kg load a height of 30.0 m in 12.0 s, if it also increases the speed from rest to 4.00 m/s. Note that the total mass of the counterbalanced system is 10,000 kg-so that only 2400 kg is raised in height, but the full 10,000 kg is accelerated. (Enter a number.) W (b) What does it cost (in cents), if electricity is $0.0900 per kW h? (Enter a number.) cents
The figure shows three forces applied to a trunk that moves leftward by 3.08 mover a frictionless floor. The force magnitudes are F-4.89N, F - 8.72N, and F3- 3.12N, and the indicated angle is 0- 60: (a) During the displacement, what is the net work done on the trunk by the three pplied forces, the gravitational furce, and the normal force? (b) Is there a net transfer of energy to or from the trunk? (c) Does the kinetic energy of the trunk increase or decrease? (a) Number i Units (b) k)
Suppose the ski patrol raises a rescue sled and victim, having a total mass of 85.0 kg, up a ? = 62.0° slope at constant speed, as shown in the figure. DO NOT USE THE ANGLE SHOWN IN THE FIGURE! USE THE ANGLE IN THE PROBLEM STATEMENT ABOVE. The coefficient of friction between the sled and the snow is 0.130. Calculate the normal force on the sled (in N). Calculate the work done (in J) by the force of friction as the sled moves 30.0 m up the hill. (Hint: Think about the direction of the friction force. Should it be different than the direction shown in the figure?). Calculate the work done (in J) by the tension force in the rope on the sled over this distance. Calculate the work done (in J) done by the force of gravity on the sled over this distance.
Needs Complete typed solution with 100 % accuracy.