Question

An object is thrown vertically upwards and
rises to a height of 45 m. Calculate
[Take, g = 10 m/s2] [3]
(a) The velocity with which the object was
thrown upward.
(b) The time taken by object to reach highest
point.
(c) Total time for which object remains in air.

Answer 1

Answer:

a) 30m/s

b) 3 sec

c) 6 sec

Explanation: I solved them with the help of equations of motion.  

Answer 2

Explanation:

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