A horse can provide sufficient power to pull a wagon with a 200 N force at a steady 3.0 m/s. Suppose the horse is hitched to a different wagon that required 300 N to move at a constant speed. How fast can the horse pull this second wagon? 3.0 m/s 6.0 m/s 2.0 m/s 4.0 m/s 1.0 m/s

Q: A small motor is used to operate a lift that raises a load of bricks weighing 1200N to a height of…

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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: You hire a tow truck that attaches a rope to your car at an angle of 25 degrees above the…

A: Given data:  Angle above the horizontal (θ) = 25° Tension force (F) = 1800 N Horizontal displacement…

Q: A crate with a mass of 66.0 kg is pulled up an inclined surface by an attached chain, which is…

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Q: How much work must you do to push a 12.0 kgkg block of steel across a steel table (μkμk = 0.60) at a…

A: mass of block of steel (m) = 12 kg coefficient of friction = 0.60 steady speed (v) = 1.2 mstime…

Q: What average power is needed to accelerate a 1 kg soccer ball from rest to 36 km/hr in 0.1 seconds?…

A: Given data: Mass (m) = 1 kg Initial velocity (v0) = 0 m/s Final velocity (v) = 36 km/hr Time (t) =…

Q: A 2.0-kg potato has been launched out of a potato cannon at 9.0 m/s. What is the kinetic energy? If…

A: mass, m = 2 kg, velocity, v = 9 m/s , height, h = 4 m

Q: A tower crane has a hoist motor rated at  167 hp . If the crane is limited to using  66.0%  of its…

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Q: What average power would a 1500 kg speedboat need to go from rest to 25 m/s in 6 seconds if the…

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Q: You pull a friend up a 60 m rocky slope, with a tension force in the rope of 450 N. The slope is…

A: we have given that, Distance for pulling is d=60m Also tension force is F=450N Let us suppose…

Q: A cheetah can accelerate from rest to 6.4 m/s (about 16 m/h) in 1.2 seconds. How much average power…

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Q: eded to move a 3000 lb car up an 8 degree incline with a constant speed of 50 mph against a…

A: GivenWeight of car, W=3000 lbAngle, θ=8°Speed of car, v=50 mphFrictional force, f=80 lbs

Q: A horse can provide sufficient power to pull a wagon with a 250 N force at a steady 3.0 m/s. Suppose…

A: Given data: Force of pulling first wagon (F1) = 250 N Velocity of first wagon (V1) = 3.0 m/s Force…

Q: what is the power required for a 55 kg student to run up a set of stairs that has a height of 20 m…

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Q: A horse is pulling a sled at a velocity of 3.5 m/s. If the horse's power output is 250 W, what is…

A: Given data:  Velocity (v) = 3.5 m/s Power (P) = 250 W Required: Force (F)

Q: A runner exerts a force of 334 N against the ground while running a distance of 50.Om. The runner's…

A: Force exerted, F = 334 N Distance walked, s = 50 m Power, P = 3.71 kW = 3710 W   Work done by the…

Q: Compute for amount of power generated in each case Case 1: Pushing a 5 kg ball cart from a side of…

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Q: A machine does 2500 J of work in 1 min. What is the power developed by the machine? A. 21 W B. 42 W…

A: Solution 1 Given that :- Work done W = 2500 J Time t = 1 min = 60 sec The power P can be written as…

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: A 56.5-kg person is running and accelerates from 3.67 m/s to 8.29 m/s in 5.67 s. How much power does…

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Q: A box of mass 4.0 kg hangs by a cable from the ceiling of an elevator. The elevator is moving up at…

A: Given data: Mass (m) = 4.0 kg Constant Speed (v) = 5.0 m/s Height (h) = 8.0 m g = 10 m/s2

Q: A ski patrol team on top of a mountain uses a rope to pull a rescue sled and victim, having a total…

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Q: A 5.0-kg rock falls off of a 10 m cliff. If air resistance exerts a force of 10 N, what is the…

A: mass, m = 5 kg  height, h = 10 m resistive force, f = 10 N  initial velocity, u = 0 m/s

Q: A force of 120 N is used to lift a 10 kg box to a height of 5.0 m. If the box started from rest what…

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Q: A motorized winch is being used to pull a felled tree to a logging truck. The motor exerts a force…

A: Given: The force is fx=1500+10x-12x2 lb. The distance moved is 40 ft.

Q: A top fuel dragster with a mass of 600.0 kg starts from rest and completes a quarter mile (402 m)…

A: Given: mass of top fuel dragster, m = 600 kg Initial speed, u = 0 (starting from the rest) Final…

Q: What is the average power must produce to accelerate car with 1500 kg from rest to the speed 30…

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Q: Using the work and energy relations, solve for the constant force "P" required for a system…

A: The work energy theorem states that the work done by the system of forces is equal to the change in…

Q: A person pulls a 20 kg heavy box horizontally, which slides at a constant speed. The person makes a…

A: Given data: The mass of crate is m=20 kg. The maximum force applied is F=60 N. The distance traveled…

Q: how much power in watts is required to accelerate a 1200 kg car from rest to 16 m/s in 8 seconds…

A: Solution: Given: m = mass of car = 1200 kg u = initial speed of car = 0 m/s v = final speed of car =…

Q: A 2000 kg car with a 250 HP (1.865 X 105 W) engine accelerates from rest. If all the engine’s power…

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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…

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Q: A car's engine generates 80000 W of power as it exerts a force of 6000 N. How long does it take the…

A: Given: The power of the engine is 80000 W. The force exerted by the engine is 6000 N. The…

Q: Q6. A 500 kg cloth bag is pulled up a smooth plane 6 m long to a platform which is 4 m above the…

A: Given  mass of cloth bag m=500kg height above ground,h=4m g=10m/s2

Q: A box of mass 4.0 kg hangs by a cable from the ceiling of an elevator. The elevator is moving down…

A: Explanation Work done by the force can be obtained by the following formula. W=Fdcosθ where F is the…

Q: A physics professor is pushed up a ramp inclined upward at 30.0° above the horizontal as he sits in…

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Q: What is the average power must produce to accelerate car with 1500 kg from rest to the speed 30…

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Q: A farmer uses a tractor to pull a 110 kg bale of hay up a 15∘ incline to the barn at a steady 5.0…

A: The components of weight into the perpendicular and parallel to the slope are Fparallel=mgsinθ=110…

Q: An object with a mass of 3 kg is initially at rest on a horizontal floor. It is then pushed in a…

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Q: 12. A person runs up a long flight of stairs in 10 seconds. If the person’s weight is 600 N and the…

A: Given data The time taken by the person is t = 10 s. The person weight is W = 600 N. The vertical…

Q: A 2000 kg car with a 250 HP (1.865 X 105 W) engine accelerates from rest. If all the engine’s power…

A:

Q: 6. A boy pulls a sled with a mass of 20 kg horizontally over a surface with a coefficient of sliding…

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Q: A child pulls a wagon 5.0 m using a force of 25 N at an angle 15 degrees above horizontal. The force…

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Q: A physics professor is pushed up a ramp inclined upward at an angle 30.0° above the horizontal as he…

A: The work done is due to the change in kinetic energy. Wnet=12m(vf2-vi2)

Q: A 18 kg sled starts up a 28 degree incline with a speed of 2.3 m/s. The coefficient of kinetic…

A: Drawing free body diagram for sled:-   Net force along vertical direction, ΣFy = Fn = mg cosӨ = 0…

Q: A box of mass 4.0 kg hangs by a cable from the ceiling of an elevator. The elevator is moving down…

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Q: A woman uses a pulley and a rope to raise a 20 kg weight to a height of 2 m. If it takes 4 s to do…

A: mass, m = 20 kg  height, h = 2 m  time, t = 4s  The formula for energy is  E = m g h  The power is…

Q: A car travels with a constant speed of 15 m/s. The car's engine produces a 4000N pushing force in…

A: Given Data:- Speed of the Carr is v=15 m/s Force produced by the engine of the car is F=4000 N…