The total energy of a solid sphere of mass 500g which rolls without slipping with a constant velocity of 5m/s along a straight line is
Answers
Answered by
1
Answer:
The kinetic energy K=
2
1
Iω
2
For solid sphere I
CM
=
5
2
mr
2
KE
total
=
2
1
(
5
2
mr
2
)ω
2
+
2
1
mr
2
ω
2
=
5
1
=mr
2
ω
2
+
2
1
mr
2
ω
2
=
10
7
mr
2
ω
2
(∵v=rω)
KE
total
=
10
7
mv
2
=
10
7
×
1000
300
×5
2
=0.7×0.3×25=5.25J
Explanation:
Hope it helps you ☺️
Similar questions