no i don't have any idea about them,,, i saw that guy in your pfp so i guess ,,,
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a moving car along a straight line highway with speed of 126/hrs brought to a stop within a distance of 200 m. What is the retardation of the car (assumed uniform), and how long does it take for the car to stop
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1
Answer:
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Answered by
26
Answer:
Okay fine
well in which class do you study in
Explanation:
u=126 km/h=126×
18
5
m/s=35m/s
v=0
s=200m
Newton's Equation of motion
v
2
−u
2
=2as
0
2
−35
2
=2a(200)
a=−3.0625m/s
2
Also
v=u+at
0=35−3.06t
t=11.4s
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