A system is devised to exert a constant force of 8 N on an 80-kg body of mass initially at rest. The force pushes the mass horizontally on a frictionless table. How far does the body have to be pushed to increase its mass-energy by 25%?

Q: A 0.60-kg particle has a speed of 2.0 m/s at point A and a kine tic energy of7.5 J at point B. What…

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Q: As shown in the figure below, two masses m1 = 4.20 kg and m2 which has a mass 60.0% that of m1, are…

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Q: Show that the combined spring energy and gravitational energy for a mass m hanging from light spring…

A: Step 1The reference level for gravitational potential energy is set midway between the unstretched…

Q: A force 51 N pushes a crate of mass 5 kg along the floor, where the force of friction opposing the…

A: the acceleration of the motion is  a=Fnetm=F-Ffrictionm=51 N-24 N5 kg=5.4 m/s2

Q: the gravita potential energies for mass is Kg), (mass is 60 Kg), and Mark (mass is 75.0 kg) from the…

A: Mass of Peter is mp = 80 kg Mass of David is md = 60 kg Mass of Mark is mm = 75 kg Distance of David…

Q: The mass of the car is 100kg and we will round the acceleration due to gravity to be 10 m/s2. The…

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Q: Calculate the potentional energy of a 5.2 kg object positioned 8 m above the ground.

A: Potential energy of an object of mass m which is at a height of h metre is given by  U = m×g×h Here…

Q: A stone of mass 0.4 kg is thrown vertically up ALE with a speed of 9.8 ms. Find the potential energy…

A: Given: The mass of the stone: m = 0.4 kg. The speed with which the stone is thrown vertically up: u…

Q: A hydroelectric power facility (see figure) converts the gravitational potential energy of water…

A: The objective of the question is to find out what fraction of the energy of a 9 megaton fusion bomb…

Q: A sled and rider with a combined weight of 68 kg are at rest on the top of a hill 29 m high. (a)…

A: (a)   The total energy of the sled and rider at the top of the hill can be calculated as,

Q: A competitor of mass 75 kg is competing for the in the ski jump.  He starts with a speed of 5 m/sec…

A: Given, mass of the competitor m=75 kg initial speed u=5 m/s Height h=45 m (a) KE at the top of the…

Q: As shown in the figure below, two masses m, = 4.30 kg and m, which has a mass 50.0% that of m,, are…

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Q: Suppose a certain spring’s relaxed length is 13 cm.  (a) If we must put 50 J of energy into the…

A: The potential energy stored in a spring is given by:Where: is the potential energy stored in the…

Q: sled and rider with a combined weight of 13.5 kg are at rest on the top of a hill 61.1 m high. (a)…

A: Given: The combined mass is 13.5 kg. The height of the hill is 61.1 m.

Q: A sled and rider with a combined weight of 59 kg are at rest on the top of a hill 19 m high. (a)…

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Q: Water flows over hulugan falls, which is 70 high, at an average rate of 2.3 x 105 kg/s. If half the…

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Q: A ball has 1200 J of energy. How much force was exerted through 0.65 m, so the ball would have that…

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Q: A ball has a mass of 12 kg. Suppose it travels at 18 m/s. Find the kinetic energy possessed by it.

A: Mass (m) = 12 kg Velocity (v) = 18 m/s Kinetic energy (K.E) = ? Formula  K.E = (1/2) mv^2=…

Q: A car of mass 2400 The drives with a velocity such that it has a kinetic energy of 400 Btu. Find the…

A: The mass of the car m=2400lbm Let take  778.17(ft lbf)/Btu 32.174(lbm ft)/(lbfs^2)

Q: A ball has a mass of 6 kg. Suppose it travels at 24 m/s. Find the kinetic energy possessed by it.

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Q: The potential energy U in Joule of a particle of mass is 4kg moving in the x-y plane is given by the…

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Q: A sled and rider with a combined weight of 51 kg are at rest on the top of a hill 13 m high. (a)…

A: a) The expression for find total energy of the sled and rider at the top of the hill is…

Q: Find the energy possessed by an object of mass 10 kg when it is at a height of 6 m above the ground.…

A: Given: The mass of the object is 10 kg. The height of the object is 6 m above the ground.

Q: A sled and rider with a combined weight of 67 kg are at rest on the top of a hill 13 m high. (b)…

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Q: A ball has a mass of 4 kg. Suppose it travels at 14 m/s. Find the kinetic energy possessed by it .

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Q: As shown in the figure below, two masses m, 5,50 kg and my which has a mass 60.0% that of my, are…

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Q: an object of mass 40kg are placed on the height of 30m from the ground . Find the total energy of an…

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Q: Problem 6: A particle of mass 0.35 kg moves along the x-axis with a potential energy whose…

A: The force is derived from the potential energy function:Where is the force, and is the derivative…

Q: (a) speed v of the masses m/s (b) magnitude of the tension Tin the cord N

A: (a) Net work done is equal to change in kinetic energy Wnet=∆EkW1+W2=∆Ekm1gh+m2g-h=12m1v2+12m2v2…

Q: As shown in the figure below, two masses m, = 4.70 kg and m, which has negligible mass. If m, and m,…

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Q: A ball has a mass of 18 kg. Suppose it travels at 7 m/s. Find the kinetic energy possessed by it.

A: Introduction :  In this question we are provided with value of velocity and mass . with these data…