1. A car is moving along a straight line with a uniform initial speed of 5 m/s. After seeing a cat, the driver stops the car by giving a retardation of 1 m/s. How long it will take the car to stop?
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Answers
Answered by
2
Answer:
hii
Step-by-step explanation:
Given, Speed=18km/h,t=5s
a)The speed of the car in m/s=18×
18
5
=5 m/s
b) The retardation is:
a=
t
v−u
=
5
0−5
=1m/s
2
c) The velocity of the as a funcition of time 2sis:
v(t)=5−t⇒v(t)=5−2=3m/s=10.8 km/h
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Answered by
5
Answer:
(Given in attachment)
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