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.​

Respuesta :

Answer:

kinetic energy = 20 J

Explanation:

KE = ½mv²

= ½× 100 × 20 × 20

1000

KE = 20 J//