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A car start from rest and acquire a velocity of 18 km/h in 2 sec. Find (i) the acceleration (ii) distance travelled by the car |
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Answer» Answer: SORRY dear . Don't Know the answer of this question. But I found a related question of it. Only the velocity is DIFFERENT nor u can use the method showed here. if useful please mark me as brainlist ✌️ Step-by-step explanation: As the car is starting from the rest, Initial velocity= u = 0 m/s Final velocity= v= 54 km/h To convert km/h to m/s, we multiply it by 5/18 . Final velocity= v= 54 km/h = 54 × 5/18 = 15 m/s Time= t= 2 sec a= acceleration Equation of motion : v= u+ at 15 = 0 + 2a a= 15/2 = 7.5 m/s ^2 (Square) s= DISTANCE travelled Equation of motion : s= UT + 1/2 at ^2 (Square) = 0+ 1/2 × 7.5× 2^2 (square) = 15 meters . |
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