PARAGRAPH
A particle is projected vertically upwards from a height of 100 m with a velocity of 5 m/s at t = 0
(g = 10 m/s2
The time after which it strikes the ground:
4 sec
5 sec
7 sec
12 sec
Mark for Review & Next
Clear Response
Answers
Answered by
0
Answer:
Explanation:
100=ut-1/2at^2
100=5t-5t^2
t^2-t+20=0
t^2-5t+4t+20=0
t=5sec
Similar questions