A disc is rotating with an angular speed of . If a child sits on it, which of the following is conserved |
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a) |
Kinetic energy |
b) |
Potential energy |
c) |
Linear momentum |
d) |
Angular momentum |
A disc is rotating with an angular speed of . If a child sits on it, which of the following is conserved |
|||||||
a) |
Kinetic energy |
b) |
Potential energy |
c) |
Linear momentum |
d) |
Angular momentum |