Question

their is an object having mass 4kg and is dropped from the height of 10m what is it's kinetic energy​

Answer 1

Answer:

400

Explanation:

H=10m,G=10m/s^2,u=0m/s

use the kinematic equation V=√2gh to find final velocity

v=√2×10×10

v=√200=10√2m/s

now apply the formula for kinetic energy

K.E=1/2×mv^2

K.E=1/2×4×10√2×10√2

K.E=400