What is the kinetic energy in Joules of a marble of mass 0.746 kg launched upward by a spring of constant 150.8 N/m and compressed a distance of 0 meters 0.591 seconds after launch? The answer was 12.5 but I don't know how they got it

Q: A pogo stick has a spring with a force constant of 2.50×104N/m which can be compressed 12.0 cm. To…

A: Spring constant of spring: k = 2.50×104 N/m  Compressed length: x = 12.0 cm = 0.120 m  Mass of child…

Q: In the figure below, a block of mass m = 4.5 kg slides head into a spring of spring constant k = 320…

A: In this question we have to find the work done by the spring force, increase in thermal energy of…

Q: A man pulls a trolley through a distance of 50m by applying a force of 100N which makes an angle of…

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Q: A pogo stick has a spring with a spring constant of 2.5 × 104 N/m, which can be compressed 12.0 cm.…

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Q: Why do you do no work on a 25-kg backpack when you walk a horizontal distance of 100 mm?

A: When a person is carrying a backpack, the weight of the backpack is in the vertical direction. But…

Q: A tennis ball with mass 0.2kg is released downwards vertically with velocity of 15m/s towards the…

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Q: A block of mass 0.260 kg is placed on top of a light, vertical spring of force constant 4 875 N/m…

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Q: How much potential energy, in Joules, does a spring, with a spring constant of 328 N/m, have if it…

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Q: A spring of force constant 500NM' is compressed such that its length shortens by 5cm. The energy…

A: Length is shorten by 5 cm means that maximum displacement( Amplitude ) of spring is 5 cm. A = 5 cm =…

Q: A chain 63 meters long whose mass is 28 kilograms is hanging over te edge of a tall building and…

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Q: This figure shows a mass (1kg) on a spring, with a spring constant of 550N/m, that is compressed…

A: Given: The mass of the block is 1 kg. The spring constant is 550 N/m. The compression to the left is…

Q: What are the energy and average power output by a 55 kg cyclist would be required to ride up a 5 km…

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Q: An object attached to the free end of a horizontal spring of constant 650 N/m is pulled from a…

A: Given data: Spring constant (k) = 650 N/m Initial position (x1) = 16 cm = 0.16 m Final position (x2)…

Q: A hydroelectric generator converts kinetic energy of water into electrical energy. Each second 2264…

A: Given: The mass of the water is m =2264 m3 The height of the waterfall is h=191 m’ Acceleration due…