Question

Explain also
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Answer 1

Answer:

49/9.8

= 5m ans. tag me brainlist

Answer 2

Answer:

v = u + at

At, its highest point velocity v = 0; also during upward journey a = -g;

0 = 49 - 9.8*t  

t = 5 sec.

v^{2}  -  u^{2}  = 2as ;

0 -  49^{2}  = -2*9.8*h

Maximum height h = 122.5m we can also approximate the value of 122.5 and write it as 120

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