a ball is thrown upwards with a speed of 20 m/s...what will be its speed after 2 secs??
please tell the answer in detail
Answers
Answered by
1
Answer:
given u = 20m/sec, g = -10m/sec² , t = 2secs,v = ?
formula used v²-u²=2gs
v² - 20² = 2×(-10)×2
v² - 400 = - 40
v² = -40 + 400
v² = 360
v = √360
=> √36×10
=> 6√10 m/sec
Similar questions