A body is moving with a speed of 20 m/s. when certain force is applied an acceleration of 4m/s^2 is produced. after how much time its velocity will be 80 m/s
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Final velocity , V= 80 m/s
Initial velocity , U = 20 m / s
Acceleration , a = 4 m/s2
APPLYING FIRST EQn OF MOTION :
V=u + at
⇒80 = 20 + 4t
⇒60= 4t
⇒t = 15 sec
Initial velocity , U = 20 m / s
Acceleration , a = 4 m/s2
APPLYING FIRST EQn OF MOTION :
V=u + at
⇒80 = 20 + 4t
⇒60= 4t
⇒t = 15 sec
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