a 1400 kg block of granite is pulled up an incline at a constant speed of 1.34 m/s by a cable and winch.The indicated distances are d1 40 m and d2 30 m. The coefficient of kinetic friction between the block and the incline is 0.40. What is the power due to the force applied to the block by the cable?

Q: A child is pulling a block attached to a chord through a rough wooden oor as part of a game, as seen…

A:

Q: A 710 kg car drives at a constant speed of 23 m/s. It is subject to a drag force of 500 N. What…

A: Given,mass of the car, m = 710 kgspeed of the car, v = 23 msdrag force, F = 500 Nslope of the…

Q: An engine is being used to raise a 89.0 kg crate vertically upward. If the power output of the…

A: Given: mass of crate, m = 89 kg power output of the engine, P = 1620 W vertical distance, h = 18.7 m

Q: The speed of a block traveling on a horizontal frictional surface changes from vi = 14 m/s to vf =…

A: Given that  The speed of a block traveling on a horizontal frictional surface changes from vi = 14…

Q: A 1.0 [kg] box slides 5.0 [m] down a rough inclined plane at an angle 40° with respect to the…

A: Mass(m) = 1 kg slide distance(x)=40o μk=0.20Required work done

Q: A machine carries a 8.0 kg package from an initial position of d ; = (0.6 m) i + (0.79 m)j + (0.26…

A: Given: di=0.6m i^ + 0.79m j^ + 0.26m k^df=10.5m i^ + 15.0m j^ + 10.2m k^∆t = 15 sF = 4.0N i^ +7.0N…

Q: A 10.0 kg block is pushed at an angle of 30.0 degrees across a rough horizontal floor of 1.5 m long.…

A: mass of the block= m = 10kg frictional force = f = 150 N displacement= S = 1.5 m total work= W =…

Q: A 4.25 kg object slides in a 38 degrees inclined plane from the top to bottom. The height is 1.9…

A: Newton's second law of motion states that the acceleration of an object is directly proportional to…

Q: 9 A box moves on a frictionless horizontal surface under the influence of the two forces = F₁ = (50î…

A: Power = It is the dot product of force vector to the velocity vector.

Q: An archer pulls her bowstring back 0.400 m by exerting a force that increases linearly from zero to…

A: Given(s): The force linearly increases from 0 to 230 N. Displacement, x=0.400 m Required: Workdone,…

Q: A block of mass m = 331 g is dragged with a string across a rough horizontal table. The string…

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Q: The tension in a ligament in the human knee is approximately proportional to the extension of the…

A:

Q: In the figure, a horizontal force  F→a of magnitude 18.0 N is applied to a 2.82 kg book as the book…

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Q: A horse pulls a 350-kg sled at a constant velocity along an icy road for 500 m. If the coefficient…

A:

Q: In scaling a vertical wall, spiderman needs 3.1 kW of power to maintain a speed of 4.5 m/s. If…

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Q: A package with a mass of 72.0 kg is pulled up an inclined surface by an attached cable, which is…

A: a)the work done is equivalent to the potential energy needed to raise the mass from the level…

Q: In the figure, a horizontal force  F→a of magnitude 18.0 N is applied to a 2.98 kg book as the book…

A:

Q: The motor of a crane uses power P to lift a steel beam. By what factor must the motor's power…

A: Given data: The power of the motor of a crane required to lift a steel beam is P.   The expression…

Q: Suppose that as part of their training, the football players of MSU went up a stair in 66 s. The…

A:

Q: a 12 kg box is pushed 3.45 m across the floor by a horizontal force. The coeffcients of static and…

A: Given: mass of box, m = 12 kg  coefficient of kinetic friction, μk = 0.444 coefficient of static…

Q: In the figure, a horizontal force  F→a of magnitude 20.0 N is applied to a 3.01 kg book as the book…

A: The given figure shows the horizontal force applied to a book slides on a frictionless ramp.Given:

Q: A mother does 220 J of work while pulling her child back on a frictionless swing, whose chain is 4.7…

A: Correct Answer: The mass of the child is 26.4 kg. Note: Please recheck your given option as all the…

Q: How much power is required to lift a heavy solid concrete beam with mass 60.21 kg upward with a…

A:

Q: Four students run up the stairs in the times shown. Rank in order, from largest to smallest, their…

A:

Q: A 710 kg car is moving on level ground at a constant speed of 23 m/s. It is subject to a drag force…

A: Given data:  Force (F) = 500 N Speed (v) = 23 m/s Required: The power (P)

Q: How much time is required for a elevator to lift a 2000 kg load up 28 m from the ground level, if…

A: Given data: Mass m = 2000 kg Distance from ground level d = 28 m Power P = 13 kW

Q: A student wearing frictionless roller skates on a horizontal surface is pushed by a friend with a…

A: The correct option is (a).  i.e   ~  7.2m

Q: A machine carries a 3.5 kg package from an initial position of d, (o.50 m)i + (0.75 m)j + (0.20 m)k…

A: Given data: The mass of the package is m=4 kg  The initial position is di=(0.50 m) i+(0.75 m)j+(0.20…

Q: A body delivers constant power when it is moved along a straight line. The distance moved by a body…

A:

Q: The drawing shows a boat being pulled by two locomotives through a canal of length 3.50 km. The…

A:

Q: A particle, mass 8 kg, moves along the y axis with a speed of 3.3 m/s. It experiences a force of 16…

A:

Q: 19. If a ski lift raises 100 passengers averaging 660 N in weight to a height of 150 m in 60.0 s, at…

A: average weight of a passenger= 660 N Total weight lifted= 100×660= 66000 N Height H= 150 m time…

Q: A particle of mass 0.4 kg moves a long a straight line according to x(t) = 2t + t3, where t is in…

A: Power is defined as time derivative of the work done on a system, or work done per unit time. Work…

Q: A man pushes an 80-N crate up a frictionless slope that makes an angle of 30° with the horizontal.…

A: According to Bartleby guidelines we can only solve the first question at a time.. Kindly post the…

Q: A car accelerates uniformly from rest to 24.2 m/s in 8.46 s along a level stretch of road. Ignoring…

A: The initial velocity of car = 0 m/s.The final velocity = 24.2 m/s.The time taken  by the car to…

Q: How far must you stretch a spring with k k = 900 N/m N / m to store 240 J J of energy?

A: The solution is given below

Q: 300 J 6 m 3 m Calculate the kinetic energy of the stone at the end of the 6-m frictionless inclined…

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Q: Starting from rest at t = 0, a 5.0-kg block is pulled across a horizontal surface by a constant…

A:

Q: A machine carries a 3.5 kg package from an initial position of d, = (0.50 m)i + (0.75 m)j + (0.20…

A:

Q: A man pushes an 80-N crate up a frictionless slope that makes an angle of 30° with the horizontal.…

A: Given: The weight of the object is 80 N. The slope is 30o with horizontal. The displacement of the…

Q: The speed of a block moving on a horizontal frictional surface changes from vi = 15 m/s to vf = 12.5…

A: Write the equation of motion for the block and solve for the acceleration of the block.

Q: Chapter 07, Problem 015 GO The figure shows three forces applied to a trunk that moves leftward by…

A:

Q: A machine carries a 4.5 kg package from an initial position of d, - (0.50 m)î + (0.75 m)î + (0.20…

A: The work done by a force to move a body by a certain distance is given by W = F.s, where F = the…

Q: A student wearing frictionless roller skates on a horizontal surface is pushed by a friend with a…

A: Given: Initial velocity of student is 0 m/s. Force applied is 52 N. Final kinetic energy is 345 J.…

Instantaneous Power

Power is defined in physics as the amount of energy transmitted or transformed per unit time. The watt is the unit of electricity in the International System of Units, equivalent to one joule per second.