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A truck travelling with a velocity of 30 metre per second come to rest after 10 seconds calculate its acceleration |
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Answer» Answer: Given Final VELOCITY (v) = 50 m/s Given Final velocity (v) = 50 m/s INITIAL velocity (u) = 30 m/s Given Final velocity (v) = 50 m/s Initial velocity (u) = 30 m/s Acceleration (a) = 2.5 m/s Given Final velocity (v) = 50 m/s Initial velocity (u) = 30 m/s Acceleration (a) = 2.5 m/s Given Final velocity (v) = 50 m/s Initial velocity (u) = 30 m/s Acceleration (a) = 2.5 m/s We KNOW v = u + at Given Final velocity (v) = 50 m/s Initial velocity (u) = 30 m/s Acceleration (a) = 2.5 m/s We know v = u + at∴ 50 = 30 + 2.5 t Given Final velocity (v) = 50 m/s Initial velocity (u) = 30 m/s Acceleration (a) = 2.5 m/s We know v = u + at∴ 50 = 30 + 2.5 t⇒ 50 - 30 = 2.5 t Given Final velocity (v) = 50 m/s Initial velocity (u) = 30 m/s Acceleration (a) = 2.5 m/s We know v = u + at∴ 50 = 30 + 2.5 t⇒ 50 - 30 = 2.5 t⇒ Given Final velocity (v) = 50 m/s Initial velocity (u) = 30 m/s Acceleration (a) = 2.5 m/s We know v = u + at∴ 50 = 30 + 2.5 t⇒ 50 - 30 = 2.5 t⇒ 2.5 Given Final velocity (v) = 50 m/s Initial velocity (u) = 30 m/s Acceleration (a) = 2.5 m/s We know v = u + at∴ 50 = 30 + 2.5 t⇒ 50 - 30 = 2.5 t⇒ 2.520 Given Final velocity (v) = 50 m/s Initial velocity (u) = 30 m/s Acceleration (a) = 2.5 m/s We know v = u + at∴ 50 = 30 + 2.5 t⇒ 50 - 30 = 2.5 t⇒ 2.520 Given Final velocity (v) = 50 m/s Initial velocity (u) = 30 m/s Acceleration (a) = 2.5 m/s We know v = u + at∴ 50 = 30 + 2.5 t⇒ 50 - 30 = 2.5 t⇒ 2.520 = t or 8 = t Given Final velocity (v) = 50 m/s Initial velocity (u) = 30 m/s Acceleration (a) = 2.5 m/s We know v = u + at∴ 50 = 30 + 2.5 t⇒ 50 - 30 = 2.5 t⇒ 2.520 = t or 8 = t∴ Time TAKEN to ACCELERATE = 8 seconds |
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