a block of mass 1500 g is moving with speed of 30 m/s. A force of 12 N is applied in the direction of motion for 3 sec. The speed of the block after 3 sec will be
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Answer:
MASS = 1.5 Kg
INITIAL VELOCITY = 30m/s
FORCE = 12N
TIME = 3 seconds
FINAL VELOCITY = ?
Force = mass × acceleration
12 = 1.5 × (? -30)/3
(12/1.5) × 3 = ? - 30
? = 54m/s
The speed of the block after 3 seconds is 54m/s
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