Question

Radha can throw a stone of 8N with the average velocity of 12 m/s. calculate her power.
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Answer 1

Answer:

Explanation:

u=25ms−1  

v=0ms−1

a=−9.8ms2

v=u+at

=>0=25+(−9.8)∗t

=>t=25/9.8

=>t=2.55sec

v2−u2=2ah

=>0−625=2∗(−9.8)∗h

=>h=625/19.6

=>h=31.89m

i hope this will help you

Answer 2

Answer:

Explanation:

Here is the soution hope you will like it......