If a person travel 10 m distance along a circular path a radius 5 m then angle subtended by him at the centre of the circle :-
1 rad
O 2 rad
O 1º
O20
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Answer:
Net acceleration is the resultant acceleration of centripetal acceleration and tangential acceleration thus find both of them as follows:
A
c
− be centripetal acceleration.
A
t
− be tangential acceleration
A
net
=
(A
c
2
+A
t
2
)
Now then,
A
c
is
R
V
2
=
10
25
=2.5m/s
2
A
t
is given as 2.m/s
2
, thus
A
net
=
(2.5
2
+2
2
)
=3.20m/s
2
.
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