A student wearing frictionless in-line skates on a horizontal surface is pushed by a friend with a constant force of 46 N. How far must the student be pushed, starting from rest, so that her final kinetic energy is 353 J ? Answer in units of m.

Q: 2. A boy pushes on a pig with a force F = 490 i + 230j N, giving the pig a displacement d = 1.77i+…

A: Given-   Force F=490 i+230 j NDisplacement d=1.77i+1.90j m

Q: A student weighing 551 N climbs at constant speed to the top of an 14 m vertical rope in 17 s. What…

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Q: A student wearing frictionless in-line skates on a horizontal surface is pushed by a friend with a…

A: Given Data: The magnitude of a constant force is, F=47 N The final kinetic energy of a student is,…

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Q: 9 A box moves on a frictionless horizontal surface under the influence of the two forces = F₁ = (50î…

A: Power = It is the dot product of force vector to the velocity vector.

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A: Given: The mass of the object is 4 kg. The initial speed of the object is 0 m/s. The applied force…

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Q: How much work is needed to change the speed of a 2375 kg sport utility vehicle from 15.0 m/s to 60…

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A: Given: The mass of the object is 4.8 kg. The acceleration of the object is 2.5 m/s2. The coefficient…

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

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Q: A car of mass 1200 kg travels along a horizontal road at a speed of 10 ms'. At the time it begins to…

A: GIVEN THAT    m =  1200 kg      speed = 10 m/s      acceleration = 0.2 m/s2    resistive force = 160…

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A: Given: Toad's mass, m=188 g=0.188 kg Toad's jumping angle w.r.t horizontal, θ=35° Initial velocity,…

Q: 300 J of work are required to fully drive a stake into the ground. If the average resistive force on…

A:

Q: In the figure below, a block of ice slides down a frictionless ramp at angle e = 50° while an ice…

A: Here F = 30N D = 0.43m Here we will calculate work done by the rope

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

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A: Given , Force = 75 N Displacement s = 30 m Time = 2 minutes

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Q: car (120 kg) accelerates from the rest to 25 m/sec in 11 sec, what is the value of the generated…

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Q: The tension in the horizontal towrope pulling a water skier is 240 N while the skier moves due west…

A: given that Force=240NDisplacement=54m Work done=Force×Displacement

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Q: A student wearing frictionless roller skates on a horizontal surface is pushed by a friend with a…

A: The correct option is (a).  i.e   ~  7.2m

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A: solution is given as

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A: Given data:  Mass (m) = 2.0 kg Initial velocity (Vi) = 3.0 m/s Final velocity (Vf) = 1.0 m/s…

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

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 horizontal force of 5 N is required to maintain a velocity of 2 m/s for a block of 10 kg mass…

A: Given data : Force=F Mass=m time=t Velocity=V   TO FIND : Work done

Q: A student wearing frictionless in line skates on a horizontal surface is pushed by a friend with a…

A: The given data are: F=45 NKf=352 JKi=0 J Here, Ki denotes the initial kinetic energy, Kf denotes the…

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Q: A particle of mass 0.4 kg moves a long a straight line according to x(t) = 2t + t3, where t is in…

A: Power is defined as time derivative of the work done on a system, or work done per unit time. Work…

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Q: To pass a slow-moving truck, you want your fancy 1.30 * 103@kg car to accelerate from 13.4 m>s…

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Q: as a 2kg object moves from (2i+5j)m to (6i-2j)m, the constant resultant force acting on it is equal…

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Q: The figure shows a block of mass 10 Kg. Determine what work will be done by the force F that will…

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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…

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Q: Ignoring friction, use the ideas of energy conservation to find the distance the cart will travel…

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Q: A student wearing frictionless roller skates on a horizontal surface is pushed by a friend with a…

A: Given: Initial velocity of student is 0 m/s. Force applied is 52 N. Final kinetic energy is 345 J.…