braks are applied to a moving car traveling at 30ms its velocity is reduced to 20 m/s in 5 seconds calculate the retardtion produced by brakes also calculate the distance covered in those 5 seconds
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heyy dear ur answer.............
u=30m/s
v=20m/s
t=5 sec
a=(v-u)/t
a=(20-30)/5
a=-10/5 = -2 m/s²
using second equation of motion
s=ut+1/2at²
s=30(5)+1/2(-2)(5)²
s=150-50/2
s=150-25 = 125 m
hope this helps...........................................@kundan
u=30m/s
v=20m/s
t=5 sec
a=(v-u)/t
a=(20-30)/5
a=-10/5 = -2 m/s²
using second equation of motion
s=ut+1/2at²
s=30(5)+1/2(-2)(5)²
s=150-50/2
s=150-25 = 125 m
hope this helps...........................................@kundan
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