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A car is going with speed 60 km/hr can break to stop at a distance of 20 m if the car is going with 120 km /hr find the stopping distance of car

Bhawika , 8 Years ago
Grade 11
anser 1 Answers
Raghul Dhanush

Last Activity: 8 Years ago

In the case of 120km/hr,
U (initial velocity)= 120km/hr = 33.3m/s
V (final velocity)= 0m/s
V2=U2+2AS
0=33.32+2×A×20
A=27.77m/s
Now for 60km/hr,
U=60km/hr =16.65m/s
V=0m/s
V2=U2+2AS
0=16.652+2×27.77×S
S=4.99m

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