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a car accelerates uniformly from 18 km per hour to 13 km per hour in 5 seconds calculate distance covered in 5 seconds |
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Answer» INITIAL VELOCITY(U)=18km/h=18*5/18=5m/s. Final velocity(V)=13km/h=13*5/18=3.61m/s. time(t)=5s. acceleration=v-u/t. a=3.61-5/5 a=-0.27m/s2. s=ut+1/2at2. s=5*5+1/2*0.27*25. s=28.275m. |
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