Question

17. An object is thrown vertically upwards and rises to a height of 20 m. Calculate a) The velocity with which the object was thrown upwards. b) The time taken by the object to reach the highest point (g = 10 m/s2) ​

Answer 1

Answer:

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Answer 2

Answer:

v^2=u^2+2as

s=20m

v=0m/s

a=10m/s^2

u=20m/s(1 ans)

v=u+at

0=20+10t

t=2 sec

for