Question

A mass of 1 kg is thrown up with a velocity of 100 m/s after 5 second or explodes

Answer 1

force made by object will be
F= mass.accelaration
so acceleration is
initial velocity is 0 and final velocity is 100m/s
a= v-u÷t
a=100-0/5 is 20m/s²
f= 1 × 20
f=20 k Newton