a car is moving with speed 30 m/s on a circular path 500 m ay given instant, it's speed is increasingat rate of2.4 m/s2, angle betweem acceleration and velocity is
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Explanation:
Given tangential acceleration, a
t
=2m/s
2
, Tangential speed , v=30m/s and radius , R=500m
⇒ centripetal acceleration , a
c
=
R
v
2
=
500
30
2
=
5
9
Net acceleration is a=
a
t
2
+a
c
2
=
2
2
+(
5
9
)
2
=
5
181
m/s
2