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15. A car start from rest and acquire a velocity of 54 km/h in 2 sec. Finda) the accelerationb) distance travelled by car assume motion of car is uniformc) If the mass of the car is 1000 Kg, What is the force acting on it |
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Answer» Explanation: speed of car = 54 KMPH = 54 X 5/18 = 15m/s (a) V = u+ at 54 = 0+ 2a a= 27 m/s^2 (b) s= UT + 1/2 at^2 = 27x 2 = 54M |
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