22. A particle is in uniform circular motion with
V. The change in magnitude of velocity
covers half of circular path is
(1) Vo
(2) Zero
(3) root2vo
(4)2 VO
Answers
Answered by
0
Answer:
vo
Explanation:
W=
F
⋅
r
=
F
⋅(
r
2
−
r
1
)
⇒W=(
i
^
+2
j
^
+3
k
^
)⋅((
i
^
−
j
^
+2
k
^
)−(
i
^
+
j
^
+
k
^
))
⇒W=(
i
^
+2
j
^
+3
k
^
)⋅(−2
j
^
+
k
^
)
⇒W=−4+3=−1J
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