How large a force is required to accelerate a 1600 kg car from rest to a speed of 25 m/s in a distance of 200 m?

Q: A carton is pulled along the ground for a distance of 11 m. If the average frictional force is 57 N,…

A: Work done is defined as  W=F→·S→where F is the force S is the displacement Here the Frictional force…

Q: What is the speed of a 0.148 kg baseball if its kinetic energy is 108 J ?

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Q: A 35 kg girl runs up a flight of stairs that is 35 m high. How much work does this require?

A: The work done is equal to the change in gravitational potential energy. that is, W=Uf-UiW=mgh-0W=mgh

Q: How much power is developed by an airplane that cruises at 300 m/s when the thrust of its engine is…

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Q: A body of 4.5 Kg is dropped from rest at a height of 10.5 m. What is the speed immediately before it…

A: Write the given values of the problem- Mass of the body(m) m=4.5 kg height(h) h=10.5 m

Q: How much work is needed to stop a 1330 kg car that is moving straight down the highway at 15 m/s?

A: Given: mass of the car (m) = 1330Kg            Initial speed of the car (u) = 15 m/s…

Q: A force of 2 pounds is required to hold a spring 2.4 inches beyond its natural length. How much work…

A: Given: force applied, F = 2 pound displacement, S  = 2 inch

Q: an object is dropped from a height of 12 m. At what height is its kinetic energy and its potential…

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Q: what is the horsepower of a 1500.0 kg car that can go to the top of a 342.0 m high hill in exactly 1…

A: GivenMass m = 1500 kgHeight h = 342.0 mDuration t = 1 min = 60 s

Q: what is the power required to lift  a 3 kg bag of nails 5 m in 10 s?

A: Mass (m) = 3kg Height (h) = 5m Time (t) = 10s

Q: A ball of 25 kg is released from a height of 100 meters, what is the speed when it reaches the…

A: Given : mass of the ball, m = 25 kg              height, h = 100 m

Q: A student weighing 400 N climbs a flight of stairs 2 m high in 6 s. What power in watts is required…

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Q: A force 50 N is required to maintain a spring stretched from its natural length 9 cm to a length of…

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Q: what is the mass of an object if its gravitational potential energy at 15m above the ground is 735 j

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Q: How many watts of power do you expend when you exert a force of 1 N that moves a book 2 m in a time…

A: The power exerted on the book can be given by

Q: A force of 7 pounds is required to hold a spring stretched 0.5 feet beyond its natural length. How…

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Q: What is its maximum height if there were no air resistance?

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Q: An automobile has a power output of 100 hp. When it pulls a cart with a force of 300N, what is the…

A: Answer:-  Given  Power (P) = 100 hp        (1hp = 746 watt)   P = 100 × 746 watt  P = 74600 watt…

Q: A skater with the mass of 60kg coasting with a speed of 5 m/s appraoches a ramp. How far up the ramp…

A: Mass of the skater,  Initial speed of the skater,  Acceleration due to gravity,    From the…

Q: How large a force is required to accelerate a 1300 kg car from rest to a speed of 20 m/s in a…

A: How large a force is required to accelerate a 1300 kg car from rest to a speed of 20 m/s in a…

Q: A man in a sled, with a total mass of 125kg slides down a grassy hill and reaches a speed of 7 m/s…

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Q: How much work would have to be done to bring a 1030-kg automobile traveling at 86 km/h to a stop?

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Q: Mohan, having a mass of 40 kg, runs up a staircase of 50 steps in 10 s. If the height of each step…

A: Mass (m) = 40 kg Height of 1 step = 15 cm = 0.15 m Height of 50 steps (h) = 50 * 0.15  = 7.5 m Time…

Q: how much potential energy does a person of mass 52kg have if they are standing at the top of a…

A: Given Data: The mass of a person is, m=52 kg The height of a building is, h=58 m   The expression…

Q: What is the amount of work done when a 10 kg box is pulled 5 m across a smooth floor with a force of…

A: Given that: Mass of the block, m=10 kg Applied force, F= 50 N θ=30° Distance moved, s= 5 m

Q: A person pushes on a spring with a force of 900 N. If the spring compresses 3.6 m, what is the…

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Q: How much work is done by a powerlifter that pushes a car with a force of 800N at a distance of 200 m

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Q: What is the potential energy of an airplane that is only 0.5489 km off the ground and weighs 4120 kg

A: Given that, an airplane that is only 0.5489 km off the ground. That means  Distance, d = 0.5489 km…

Q: What is the speed of a car that has a mass of 985 kg and a kinetic energy of 56 000 J?

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Q: Gadon leaves the top of a hill with an initial speed of 5.0 m/s. His speed at the bottom of the hill…

A: Given data as per question v  =  13m/s u   =  5m/s g  =  9.81m/s2

Q: How much power is developed by an airplane that cruises at 300 m/s when the thrust of its engine is…

A: Power=work (W)time (t)            =force (F)·displacement (S)time (t)            =force…

Q: How much work is required to raise a 0.75 kg flag from shoulder height (1.2m) To the top of the flag…

A: Given: mass (m)=0.75 kg Shoulder height(h1) =1.2m  flag pole (h2)= 4 m find work is required to…

Q: A football of mass 2.5kg is lifted up to the top of a cliff that is 180m high. How much potential…

A: Given, mass of the football, m = 2.5 kg height of the cliff, h = 180 m

Q: A man in a sled, with a total mass of 125 kg, slide down a grassy hill and reaches a speed of 8 m/s…

A: Given: Mass of man and sled , m = 125 kg Initial speed, vi = 8 m/s Final speed, vf = 0 Force exerted…

Q: A force of 4 pounds is required to hold a spring stretched 0.2 feet beyond its natural length. How…

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Q: A force of 1 pounds is required to hold a spring stretched 0.2 feet beyond its natural length. How…

A: Given  Force, F = 1 lb  Stretching distance from its natural length , x = 0.2 ft  From Hooke's law-…

Q: If you push a car with a force of 600 N on a level driveway for 15 m, how much work do you do on…

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Q: How much energy does it take to apply a 400 newton force to push a car 4 meters?

A: Given data The magnitude of force applied is F = 400 N The distance moved by car is d = 4 m

Q: What power is needed to move a 4 kN car up an 8-degree incline with a constant speed of 80 kph…

A: Given data: Mass of the car m = 4kN=4000n Angle θ=8° Speed v= 80kph=80×518=22.22 m/s Frictional…

Q: A courageous warrior pushes a stone block 4.81 m. If they apply a force of 3780 N to do this, how…

A: Amount of work done by a force is equal to product of force and displacement. Work = Force x…

Q: a person pushes a box 10 meters along the ground using a force of 100 Newton. How much work had been…

A: Given : d = 10 m F = 100 N

Q: The average hp required to raise a 150000x10^-3 kg box a height of 65.6168 ft over a period one…

A: L

Q: How much power is needed to accelerate a 1250 kg sports car from rest to 25 m/s in 4.5 seconds?

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Q: kinetic energy

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Q: A force of 7 pounds is required to hold a spring stretched 0.6 feet beyond its natural length. How…

A: The required force to stretch the spring by ∆x = 0.6 ft is F1 = 7lb so by the spring force law i.e.…

Q: A car has a kinetic energy of 4.25*10^5 J when traveling at a speed of 25 m/s.  What is its mass?

A: Kinetic energy of car = 4.25 × 105 Joules  Speed of car = 25 m/s

Q: How much net work is required to accelerate a 1000-kg car from 20 m/s to 30 m/s? x 105 joules

A: Given data: Mass (m) = 1000 kg Initial velocity (v0) = 20 m/s Final velocity (v) = 30 m/s Required:…