what rate of work is developed by a 50.0 kg jogger who runs around a 1.00 km track three times in 18.0 minutes?

Q: How much work does it take to slide a crate 10 m along a horizontal loading dock by pulling it with…

A: Given that the  distance and angle and also given the force. Then We have to determine the work…

Q: In a time t=17.00 s, a 66.0-kg student runs at a steady pace up two flights of stairs whose combined…

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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: How much work is done when you apply a horizontal force of 47N to push a 35 kg box 8.0 meters down…

A: Given data:  Horizontal force (F) = 47 N Displacement (d) = 8.0 m Required: Work (W)

Q: How much work is done by you when you lift a 9.0 kg object 71 cm off of the ground?

A: Given : Mass of object (m) = 9 kg Height (h) = 71 cm = 0.71 m

Q: A 25 kg sack of rice is lifted 1.25 m above the floor for 50 sec. The rate at which work is done on…

A: Given Data: mass (m) = 25 Kg Height (h) = 1.25 m Time (t) = 50 s

Q: A car weighing 1500 kg is accelerated from a steady state to a speed of 10m / s in 3s. Find the work…

A: Given: The mass of the car is 1500 kg. The final speed of the car is 10 m/s. The time taken by the…

Q: An 80-kg jogger that is initially running at 5.0 m/s uniformly accelerates to 8.0 m/s in a time of…

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Q: A crate of mass 68 kg is pushed along a floor with a force of 30·0 N for a distance of 7.2 m.…

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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: Compute the kinetic energy of 1200kg automobile traveling at 20km/hr.

A: Given, Mass of automobile,m=1200 kg Speed, v=20 km/h=5.5 m/s

Q: What is the minimum work needed to push a 950 kg car 710 m up along a 19.0° incline? Ignore…

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Q: what is the total work done by the force over the distance x=0 to x=15.0m?

A: Work done is basically the area under the graph of Force vs displacement!

Q: How much work has to be done to accelerate 1320kg car from 115km/h to 130km/h ?

A: Given data:  Mass of car (m) = 1320 kg Initial velocity of car (Vi) = 115 km/h Final velocity of car…

Q: How much work is done by a 59 kg ninja watrior in climbing a ladder that is 9 meters long? Express…

A: Mass of ninja warrior (m) = 59 kg  Length of ladder (L) = 9 m

Q: An archer pulls a bowstring back 0.500 m by exerting a force that increases uniformly from zero to…

A: It is given that, x=0.500 mF=250 N

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: How much work did the movers do (horizontally) pushing a 43.0-kg crate 10.3 m across a rough floor…

A: Given data:Mass of the crate, M = 43.0 kgDistance moved, d = 10.3 mCoefficient of friction = 0.50

Q: How much work does it take to slide a crate 26 m along a loading dock by pulling on it with a 180-N…

A: Given Information: The distance is D=26 m The force is F=180 N The angle from the horizontal is 26°…

Q: How much work is done against the gravitational force on a 5.0-kg briefcase when it is carried from…

A: Since,breifcase is being carried to some height ,it acquires some potential energy.Hence,Work done…

Q: A boy pushes a spring with maximum force of 75 N, compressing it 2.0 cm. How much work does the boy…

A: Given data: Applied force (F) = 75 N Compression or displacement (d) = 2.0 cm…

Q: Why is it tiring to push hard against a solid wall even if no work is done? A 75 kg firefighter…

A: Q 1) We get tired because we use our energy to contract the muscles. We try to push the wall using…

Q: How much work must be done by frictional forces in slowing a 1555 kg car from 13.3 m/s to rest?

A: Given Data: The mass of the car is: m=1555 kg The velocity of the car is: u=13.3 m/s The final…

Q: A ball was launched upwards and vertically at a speed 3 m/s up to a height 4 m. What the work done…

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Q: What would be the power output in hp of a 1750 kg car if it can ascend to the top of a 285 m high…

A: Take the bottom of the hill to be at height zero. The potential energy of the car at the bottom of…

Q: If a person pushes on a lawnmower with a constant force of 90.0 N at an angle of 40° to the…

A: Given data: Constant force (F) = 90.0 N Angle (θ) = 40° to the horizontal Horizontal displacement…

Q: A mouse of mass 176 g falls 92 m down a vertical mine shaft and lands at the bottom with a speed of…

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Q: Calculate the work needed to lift a 20 kg sack of rice vertically at 6-5 m ?

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Q: Calculate the work done by a 2.4 N force pushing a 400 g sandwich across a table 0.75 m wide.

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Q: How much work is done by gravity when dead lifting a 100.0 kg barbell 81.54 cm from the floor to hip…

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Q: A 70 kg hiker climbed a mountain 1000 m high. Assuming the work was done at a steady rate during 3…

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Q: A crate of mass 45 kg is pushed along a floor with a force of 20.022 N for a distance of 8.011 m.…

A: Given data:  Mass (m) = 45 kg Force (F) = 20.022 N Distance (d) = 8.011 m Required: Work done (W)

Q: Ignoring friction What is the minimum work needed to push a 950-kg car 770 mm up along a 7.5 degrees…

A: The mass of the car is m = 950 kg. The angle of inclination of the plane with the horizontal is θ =…

Q: How much work did the movers do (horizontally) pushing a 46.0-kg crate 9 m across a smooth floor…

A: Given Mass of the object  (m) = 46 kg Distance traveled = 9m

Q: • A 1300-kg elevator is lifted at a constant speed of 1.3 m>s througha height of 22 m. How much…

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Q: A 10 kg mass is held 1.0 m above a table for 25 s. How much work is done during  that time?

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Q: Pushing a heavy box of 100 N up along a frictionless slope, the speed decreases at a rate of 1 m/s?.…

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Q: A worker pushes a wheelbarrow 5.0 m along a level surface, exerting a constant horizontal force of…

A: Given that Distance moved by the wheelbarrow d = 5.0 m ( let it is moved along right direction)…

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: What is the minimum work needed to push a 950 -kgkg car 800 mm up along a 9.5 ∘∘ incline? Ignore…

A: Given: Mass of car m=950 kg Inclination angle θ=9.5° Distance through which car is pushed  S=800…

Q: A mouse of mass 20.0 g falls 160 m down a vertical mine shaft and lands at the bottom with a speed…

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Q: What is the power output for a 60.0-kg woman who runs up a 3.00 m high flight of stairs in 3.50 s,…

A: The mass of the woman is m=60 kg. The height is h=3 m. The time is t=3.50 s. The final speed is vf=2…

Q: A bag of wheat weight 430 kg. To what height should it be raised so that potential energy is 9150 J…

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Q: In the absence of friction, how much work would a child do while pulling a 12kg wagon a distance of…

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Q: A crate of mass 45 kg is pushed along a floor with a force of 42.25 N for a distance of 80.04 m.…

A: Introduction :  In this question we are provided with value of force  and distance . with these data…

Q: How much work has to be done to accelerate 1320kg car from 105km/h to 120km/h?

A: