Physics, asked by ganesh402, 1 year ago

a car moving along a straight highway with a speed of 72 km /h is brought to a stop with a distance of 100 m. what is the terurdetion of the car and how long does it take for the car to stop.​

Answers

Answered by Abhishek474241
7
HEY MATE!!!
HERE IS YR ANS

GIVEN

U=72km/h,20m/s
S=100
V=0
A=negative

from equa of motion
v {}^{2}  + u {}^{2}  = 2as \\  \\ 20 {}^{2}  = 2 \times a \times 100 \\ 400 = 200a \\ a = 2m \: s {}^{2}  \\  \\ v = u + at \\ at = u \\ 2t = 20 \\ t = 10s
HOPE IT HELPS
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