A child pulls on a wagon with a force of 75 N. If the wagon moves a total of 30 m in 2.0 min, what is the average power delivered by the child?

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

A: Given:            m = 800 kg            v   = 7.5 m/s            h  = 8.7 m            t   =  4 s…

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 child on a sled is initially at rest on an icy horizontal surface. The sled is pushed until it…

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Q: A child on a sled is initially at rest on an icy horizontal surface. The sled is pushed until it…

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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 child on a sled is initially at rest on an icy horizontal surface. The sled is pushed until it…

A: First, we find the acceleration of the sled. Then we find the force needed to cause the acceleration…

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

A:

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

A:

Q: A child on a sled is initially at rest on an icy horizontal surface. The sled is pushed until it…

A: Given  Initial speed = u=0  Final speed=v = 6.90 m/s  Distance travelled,d = 15.6 m  Coefficient of…

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: Xian carries a 185-N suitcase up three flights of stairs (a height of 12.0 m) and then pushes it…

A: Given data: Weight of suitcase = 185 N Height = 12.0 m Horizontal force (F) = 52.0 N Displacement…

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: One of the most powerful forklifts was built in Sweden in 1991. The lift is capable of lifting a 9.0…

A: WE KNOW THAT  work=force*displacementforce=workdisplacement

Q: You push a stalled car with a constant force of 235 NN as it moves a distance 8.40 mm in a straight…

A: Work done  W=Fdcosθcosθ=WFdθ=cos-1WFd

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

A:

Q: A child on a sled is initially at rest on an icy horizontal surface. The sled is pushed until it…

A:

Q: Ben carries a 250 N suitcase up three flights of stairs (a height of 12.0 m) and then pushes it with…

A: Given data as per question weight of suitcase =250N Height =12 m Horizontal force =50N Speed =0.10…

Q: A warehouse worker pushes a crate across a rough floor. A frictional force of 22.5 N acts to oppose…

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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: mother pulls her child on a sled across a rough patch of snow. The sled and child have a combined…

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Q: A child pulls a toy 2.8 m across the floor by a string, applying a force of constant magnitude 0.950…

A: Given : force applied, F = 0.950 N For 1st 1.4 m string is parallel.  For next 1.4 m string makes…

Q: A four-horse carriage is accelerating by 6 m/s every three (3) seconds, carrying a total load…

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Q: What power delivered by

A: Power = F×v