A child pulls on a wagon with a force of 67 N. If the wagon moves a total of 45m in 188 s, what is the average power delivered by the child?

Q: A truck pushes a pile of dirt horizontally on a frictionless road with a net force of 20.5 N for…

A: Given data:  Force (F) = 20.5 N Displacement (d) = 23.6 m Required: The increase in kinetic energy

Q: box and slides it across the level floor at constant velocity. The person pushes with a 60.0 N force…

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Q: Starting a race, a 68.2-kg sprinter runs the first 7.04 m in 1.60 s, starting from rest and…

A: Given: The mass (m) of the sprinter is 68.2 Kg. The distance (S) covered by the sprinter is 7.04 m.…

Q: What average power does a 1,565 kg car need to go from 0 to 12.6 m/s in 6.86 seconds? Assume a…

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Q: It takes you 1.5 s to push a 28 kg box by 4.4 m across a horizontal floor with a constant force of…

A: The time taken to push the block, t = 1.5 s The mass of the block, m = 28 kg The displacement of the…

Q: An Eskimo returning from a successful fishing trip pulls a sled loaded with salmon. The total mass…

A: Given: Total mass of sled and salmon = 50 kg Force exerts by Eskimo, F = 1200 N Displacement, S = 5…

Q: A person lifted the barbell from the ground. The mass of the barbell was 100 kg. It took him 0.5…

A: The objective of the question is to calculate the average power output of a person lifting a…

Q: A helicopter, starting from rest, accelerates straight up from the roof of a hospital. The lifting…

A: Given that: The mass of the helicopter is m=710 kg The initial velocity is u=0 m/s The final…

Q: A helicopter, starting from rest, accelerates straight up from the roof of a hospital. The lifting…

A: Average power is the amount of work done or energy converted per unit time and given by: Pavg.=∆W∆t…

Q: A car, starting from rest, accelerates in the +x direction as in the figure. It has a mass of 1.10 ×…

A: Given data The mass of the car is m = 1.10 x 103 kg. The acceleration of the car is a = 3.70 m/s2.…

Q: Measurements in the 1800s showed that a draft horse could provide a maximum steady output power over…

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Q: A helicopter, starting from rest, accelerates straight up from the roof of a hospital. The lifting…

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Q: A warehouse worker uses a forklift to raise a crate of pickles on a platform to a height 2.75 m…

A: Write the given data. m=207 kgh=2.75 mP=1440 W

Q: The engine of a Honda Civic has a power of 1.32 x 105 W (176.88 hp).   a) How much work does this…

A: Power is defined as the energy transferred per unit time. Since this energy is consumed in work…

Q: Measurements in the 1800s showed that a draft horse could provide a maximum steady output power over…

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Q: A person pushes horizontally on a heavy box and slides it across the level floor at constant…

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Q: A helicopter, starting from rest, accelerates straight up from the roof of a hospital. The lifting…

A: Mass of helicopter M= 780 kg Iniatial speed of helicopter u = 0 Final speed of helicopter v= 10.0…

Q: power

A: Given: Mass of the dragster = 650 Kg initial speed = 0 final speed = 110 m/s Distance= 400 m…

Q: You push a 100 kg wheeled (frictionless) cart across a floor a distance of 13 m by applying a force…

A: Given data:  Mass (m) = 100 kg Displacement (d) = 13 m Force (F) = 10 N Time (t) = 9 s Required:…

Q: A sprinter who weighs 670 N runs the first 7.0 m of a race in 1.6 s, starting from rest and…

A: weight of sprinter, W = 670 N  initial velocity of the sprinter, u = 0 m/s  time, t = 1.6 s…

Q: A sprinter who weighs 639 N runs the first 8.6 m of a race in 1.9 s, starting from rest and…

A: Given quantities, Mass of sprinter = 639N time for first 8.6m = 1.9s  Initial velocity = 0 a) Using…

Q: A 64.0 kg man, standing on a frictionless walkalator inclined at 0=33.0° below the horizontal, holds…

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Q: A fully loaded, slow-moving freight elevator has a cab with a total mass of 1200 kg, which is…

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Q: A large water tank is filled by pumping water into it from a reservoir below, using an electric…

A: Given: The mass of the water is 3x106 kg. The distance is 80 m. The time duration is 12 min. The…

Q: In 29.0 ms, a model train propelled by an electric motor reaches a top speed of 0.720 m/s from a…

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Q: Measurements in the 1800s showed that a draft horse could provide a maximum steady output power over…

A: Given: The power of one horse (P) = 750 W. Mass of a dog (md) = 38 kg. Drag force (F) = 60 N. Steady…

Q: What power delivered by

A: Power = F×v

Q: A 1500 kg sports car accelerates from rest to 95 km/h in 7.0 s What is the average power delivered…

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