edetnehemiah8 edetnehemiah8

12-06-2021
Physics

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An object of mass 100g projected vertically upwards from the ground level has a velocity of 20m/s at a height of 10m. Calculate the initial kinetic energy at the ground level.

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hasarahimashi6 hasarahimashi6

12-06-2021

Answer:

kinetic energy = 20 J

Explanation:

KE = ½mv²

= ½× 100 × 20 × 20

1000

KE = 20 J//

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