Question

an object is dropped from a height of 120 metres the acceleration of the object is 10 metre per second square downwards find the distance travelled by the object after 2 seconds​

Answer 1

u=o

h=120m

t=2sec

• a=10m/s2
• so
• s=ut +1/2at2
• now by
• solving this equation we get s= 20m