Physics, asked by aakritidwivedi69, 10 months ago

a car traveling with a speed of 70 km/hr comes into rest in 0.5 hrs. what will be the value of its retardation

Answers

Answered by vishal11743

1

Answer:

140 km/hr

Explanation:

Given : u= 70 km /hr

v=0

time = 1/2hr

v=u+at

0=70+a/2

140+a=0

a= -140km/hr

retardation=140km/hr

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