a body is moving with a speed of 20 m per second when certain force is applied an acceleration of 4 metre per second square is produced after how much time its velocity will be 80 m per second
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here the initial velocity,u = 20m/s
acceleration , a = 4m/s²
final velocity , v = 80m/s
time taken , t=?
From first equation of motion
v = u + at
⇒ 80 = 20 + 4t
⇒4t = 60
⇒t = 60/4 = 15 s
hence time taken is 15 seconds
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acceleration , a = 4m/s²
final velocity , v = 80m/s
time taken , t=?
From first equation of motion
v = u + at
⇒ 80 = 20 + 4t
⇒4t = 60
⇒t = 60/4 = 15 s
hence time taken is 15 seconds
plzzz mark as brainliest
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