A 0.48-kg ball is thrown vertically upward with an initial speed of 12.0 m/s. What is the kinetic energy of the ballwhen it has travelled one-quarter of the distance to its maximum height?

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: A 70.00 kg jumper leaves the ground with a vertical velocity of 5 m/s. c.) What is his minimum…

A: Given that  Mass of jumper =70kg Initial velocity =5m/s

Q: A sled of a mass 30.0 kg is given a kick on a frozen pond,imparting to it an initial speed v…

A: Given Data: The mass is, m = 30.0 kg. The initial speed is, u = 4.0 m/s. The coefficient of kinetic…

Q: Consider the motion of a 3.00-kg particle that moves with potential energy given by U(x) = (-2.00 J…

A: Given data The mass of the particle is given as m = 3 kg. The equation of potential energy is given…

Q: A 0.40 kg block can slide up and down a rough 10-m-high, 30-m-long slope. At the bottom, a stiff…

A: Given that:Mass of the block, m=0.4 kgHeight of the ramp, h=10 mLength of the ramp, L=30 mSpring…

Q: A bag of wheat weight 320 kg. To what height should it be raised so that potential energy is 6790J?…

A: Given data :                Acceleration due to gravity    =   g                  Potential energy…

Q: A tennis ball of mass m = 0.089 kg is thrown straight up with an initial speed v0 = 11 m/s. Let the…

A: Given dataThe mass of the ball is given as m = 0.089 kg.The initial speed of the ball is v0 = 11…

Q: A 0.479-kg ball is thrown straight downward with a speed of 1.40 m/s from a platform 6.65 m above…

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Q: A 69.0-kg athlete leaps straight up into the air from a trampoline with an initial speed of 8.9 m/s.…

A: The objective of the question is to find the maximum height the athlete attains, her speed at half…

Q: The force on a particle of mass 2.0 kg varies with position according to F(x) = -3.0x² (x in meters,…

A: We know that the particle has  mass of m=2 kg, a force of F=-3.0x2 N, and a velocity of v=5 m/s at…

Q: A 64.6 kg runner has a speed of 3.30 m/s at one instant during a long-distance event. HINT (a) What…

A: (a) Given the mass of the runner is 64.6 kg and the speed is 3.30 m.s-1. Therefore, the kinetic…

Q: A sport car of mass 1.2 t is accelerating at 6.0 m/s^2. How much work is done by the resultant force…

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Q: A 30-kg block is raised vertically 1.5 meters. What i the change in potential

A: Write the given values of the problem- Mas of the block(m) m=30 kg Height of the block(h) h=1.5 m

Q: s thrown vertically u peed of 12.0 m/s. W

A: Given as, u= 0.48 kg, m= 12.0 m/s.

Q: A running 53-kg cheetah has a top speed of 28 m/s. (a) What is the cheetah's maximum kinetic energy?…

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Q: determine the final speed of the box (in m/s) after sliding across the rough section of fl

A: Decrease in kinetic energy is equal to the work done by friction. Ki-Kf=Wf Here Ki is the initial…

Q: A 67kg students traveling in a car with a constant velocity has a kinetic energy of 1.9 * 10 ^4 j.…

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Q: A teenager is taking a 'Bird' scooter out for a joyride. He decided he wants to take the scooter to…

A: Given- mass of boy , m= 65 kg  Height of hill , h = 30 m As boy starts from rest , hence his initial…

Q: A sled of mass 30.0 kg is given a kick on a frozen pond, imparting to it an initial speed vi = 4.0…

A: Mass of the sledge, m=30 kg Initial speed of the sled,vi=4.0 ms Final speed of sled , vf=2 ms The…

Q: A 0.400-kg particle has a speed of 1.90 m/s at point circled A and kinetic energy of 7.10 J at point…

A: Given: Mass of particle is 0.4 kg Speed is 1.9 m/s Kinetic energy is 7.1 J

Q: A car of wheat weight 330 kg . To what height should it be raised so that potential energy is 8860 J…

A: Given value--- mass = 330 kg. potential energy = 8860 J. g = 9.8 m/s2.  We have to find---…

Q: A 2.5 kg piece of wood falls onto a carpenter’s table from a height of 2.0 m above the table. T/I…

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Q: oblem 2. A 4.0 kg object moving with an initial velocity of 8.0 m/s on a horizontal surface comes to…

A: Given that                    The mass of the object is (m) = 4.0kg                    The initial…

Q: A running 40-kg cheetah has a top speed of 31 m/s. (a) What is the cheetah's maximum kinetic energy?…

A: Answer:-  Given  Mass(m) = 40 kg  Speed (V) = 31 m/s  (a) We know that  Kinetic energy (K.E) = (1/2)…

Q: A box of unknown mass is sliding with an initial speed vi = 6.00 m/s across a horizontal…

A: GIVEN         Intial velocity of box =vi= 6.0m/s        length of Rough section of floor=d=2.8m…

Q: A 50 kg object has 1,800 J of potential energy when it is released and allowed to fall to the…

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Q: A baseball of mass 0.25 kg is hit at home plate with a speed of 40 m/s. When it lands in a seat in…

A: We have to determine the work done by the air resistance on the ball. We are aware that the…

Q: A box of unknown mass is sliding with an initial speed v₁ = 4.30 m/s across a horizontal…

A: Intial velocity of box = 4.3m/s Rough section of floor=2.8m Coefficient of kinetic friction=0.1 Let…

Q: For its size, the commonflea is one of the most accomplished jumpers in the animal world.A…

A: Given The height cover by the flea is h=20 cm=20×10-2 m. The mass of flea is m=0.50 mg. By the…

Q: Karen lifts a 10.0 kg box up from the ground to a height of 1.50 meters. He then lowers the box to…

A: Mass of the box m = 10.0 kg Initial height hi = 1.50 m Final height hf = 0.630 m

Q: A particle of mass 18.8 kg moves along the x-axis with a potential energy U whose dependence on…

A: SOlution: given that m =18.8 kg mechanical enenrgy  = 110 J to find the speed at 7 m

Q: A bullet of weight 160 kg To what height should it be raised so that potential energy is 2250 J?…

A: The potential energy of an object of mass M when it is raised to a height h, U = Mgh

Q: A 8.00 kg bowling ball falls froma 3.50 m shelf. Just before hitting the floor, what will be its…

A: Conservation of Energy:The change in position of an object has a corresponding change in its…