A weight lifter lifts a 350-N set of weights from ground levelto a position over his head, a vertical distance of 2.00 m. Howmuch work does the weight lifter do, assuming he moves theweights at constant speed?

Q: A poor guy pulls a 10-kg luggage along a level boulevard for 5 m by exerting a force of 35N at an…

A: Given data: Mass of luggage is, m=10 kg. Distance travelled is, s=5 m. Magnitude of force is, F=35…

Q: A block of 3.00 Kg slides down a frictionless inclined plane that forms 200 with the horizontal. If…

A:

Q: A crane lifts a 650-kg beam vertically upward 23.0 m and then swings it horizontally a distance of…

A: Given: The mass of the beam is 650 kg. The vertical displacement of the beam is 23 m. The horizontal…

Q: A crane lifts a 650 kg beam vertically upward 9.6 m and then swings it westward 18 m. How much work…

A:

Q: As a snowboarder descends a mountain slope, gravity, the normal force, and friction combine to exert…

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Q: A rock of mass 0.050 kg is thrown upward with an initial speed of 25 m/s. Find the work done by…

A: Given data: Mass of rock is, m=0.050 kg. Initial speed of throwing the rock is, u=25 m/s.

Q: A 50-kg cavan of rice is pulled along a 10-m horizontal ramp with a force of 750 N. If it is dragged…

A: Given: Mass (m) = 50 kg  Force (F)  = 750 N  Displacement (d) = 10 m

Q: A man pushes a cart with a constant force of 200 N at an angle 30° above the horizontal. If he does…

A: given applied force on cart F = 200 N at an angle 300 above the horizontal. hence Horizontal force…

Q: When released from a height ofh3= 14.00 m, a 344.00 g block slides down the path shown below,…

A: given , height , h = 14.00 m mass of the block , m = 344 .00 g =0.344 Kg final speed , v = 11.00 m/s…

Q: A box of winter jackets of mass 76 kg is droped from a stationary helicopter at an altitude of 98 m.…

A: The work done by the air resistance is the loss in kinetic energy according to conservation of…

Q: A shopper pushes a grocery cart 19.2 m  on level ground, against a 16.3 N frictional force. The cart…

A: W=work done by pushing force=friction work done +increase in KE

Q: A gardener pushes a lawn roller through a distance of 20 m. If he applies a force of 196 N in a…

A:

Q: The handle of a vegetable wagon makes an angle of 35.0 degrees with the horizontal.if the peddler…

A:

Q: A block of mass 12kg is being pulled to the right by a rope that makes a 37 degree angle with the…

A: Given data: Mass (m) = 12 kg Angle (θ) = 37° with the horizontal Displacement (d) = 21 m Tension…

Q: A 3.11-kg model rocket is launched straight up. It reaches a maximum height of 91.5 m above where…

A: Given,  Mass(M) = 3.11 kgWork done by Air resistance(W) =-690 J

Q: A mouse of mass 200 g falls 100 m down a vertical mine shaft and lands at the bottom with a speed of…

A:

Q: How much work does it take to slide a crate 26 m along a loading dock by pulling on it with a 240-N…

A: Given data: Displacement (d) = 26 m Force (F) = 240 N Angle between displacement and force (θ) = 27°…

Q: a box of animal crackers is dragged at constant speed across a surface by horizontal force of 20.0 N…

A: solution is given by

Q: Q.7. A crane lifts a load of 6000N through a vertical distance of 15m in 30s. Find the average…

A: Write the formula for the work done.

Q: A weight lifter lifts a 380-N set of weights from ground level to a position over his head, a…

A: Step 1Work done by a body is given as the force applied on it over the distance travelled.For the…

Q: Suppose you drag a box 8.0 m across a horizontal floor, exerting a force of 90. N at 35 degrees…

A:

Q: what rate of work is developed by a 50.0 kg jogger who runs around a 1.00 km track three times in…

A:

Q: A 2.00 kg particle has a speed of 4.00 m/s at point A and kinetic energy of 9.50 J at point B. What…

A:

Q: A 185 kg refrigerator is placed inside a mobile freight transport by pushing it up on a 10.0 m ramp…

A:

Q: A weight lifter lifts a 380 N set of weights from ground level to a position over his head, a…

A: Given data: The amount of weight lifted is L=380 N. The height of weight lift is h=2.10 m.   The…

Q: nat is the work done by a 2500 kg car whose velocity is 85 km/hr? und your answer to the nearest…

A: Given value--- mass = 2500 kg. final velocity = 85 km/h. We have to find--- work done

Q: A box of winter jackets of mass 86 kg is droped from a stationary helicopter at an altitude of 91 m.…

A: Given: The mass of the box is 86 kg. The altitude is 91 m. The speed with which it lands is 10.0…

Q: A block of mass 3.57 kg is drawn at constant speed a distance 4.06 meters along a horizontal floor…

A: Analyze the diagram of the given system.

Q: If you walk 5.0 m horizontally forward at a constant velocity carrying a 10-N object, the amount of…

A: The amount of work by you is Zero.

Q: A tension force of 12.5 N [19.5oabove the horizontal] does 225 J of work in pulling a toboggan along…

A: Given value--- force = 12.5 N. angle = 19.5 degree.  work = 225 J. We have to find--- distance?

Q: While training for breeding season, a 460 gram male squirrel does 29 pushups in a minute, displacing…

A: Given:- While training for breeding season, a 460 gram male squirrel does 29 pushups in a minute…

Q: A skier of mass 77 kg is pulled up a slope by a motor-driven cable. (a) How much work is required to…

A: Distance for which he was pulled,d= 55m Angle of slope with horizontal= 30°

Q: A box of winter jackets of mass 109 kg is droped from a stationary helicopter at an altitude of 135…

A: Given: The mass is m=109 kg. The altitude is h=135 m. The velocity is v=10 m/s. According to work…

Q: A 3.1kg ball was dropped from an unknown heigh to the ground, find the work done by the gravity…

A:

Q: A shopper pushes a grocery cart 36.6 m on level ground, against a 13.1 N frictional force. The cart…

A:

Q: How much work must you do to push a 11.0 kg block of steel across a steel table (μk=0.6)at a steady…

A: a) The required work done is,

Q: Find the work done in joules by gravity as an object of the mass m=7 kg is raised up at constant…

A: The mass of the object is 7 kg.  The initial height is 40 m.  The final height is 67 m.  The work…

Q: . A weight lifter lifts a 350-N set of weights from ground level to a position over his head, a…

A: Given data:  Weight = mg = 350 N Height (h) = 2.00 m Required: Work done

Q: A crane lifts a 650 kg beam vertically upward 10.1 m and then swings it westward 18 m. How much work…

A: Here the workdone is only in upward direction. No workdone in horizontal direction.

Q: A 10 kg block is pushed with a constant external force of 10 Newtons horizontally on a floor with a…

A:

Q: A 23 N rock is dropped from a height of 11.5 m, and the velocity right before hitting the ground is…

A:

Q: A weight lifter lifts a 350-N set of weights from ground level to a position over his head, a…

A:

Q: An 160 N crate slides with constant speed a distance of 5.0 m downward along a rough slope that…

A:

Q: A store manager pushes a 10 g box with a force of 25 N and drected at an angle of 37 above the…

A:

Q: When you apply force F = 273N to the right to mave a box by the distance 4.2 m to the right, find…

A: Given Force =273 N  Displaced distance d 4.2m

Q: Two objects are each displaced the same distance, one by a force F pushing in the direction of…

A: Given  distance=d first force=F1=F second force=F2=4F3 at angle 450