Question

An object is thrown vertically upwards and rises to a height of 80 m. Calculate the velocity with which the object was thrown upwards? G = 10m/s²
A. 40m/s

B. 50m/s

C. 80m/s

D. 10m/s

The time taken by the object to reach the highest point in the above question.
A. 4s
B. 5s
C. 8s
D. 1s​

Answer 1

Step-by-step explanation:

40m/s by using v^2=u^2+2gh

4s by using v=u+gt