If the angular momentum of a planet of mass m, moving around the Sun in a circular orbit is L, about the center of the Sun, its areal velocity is:
a. |
|
b. |
|
c. |
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d. |
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If the angular momentum of a planet of mass m, moving around the Sun in a circular orbit is L, about the center of the Sun, its areal velocity is:
a. |
|
b. |
|
c. |
|
d. |
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A block of mass 10kg is kept on a rough inclined plane as shown in the figure. A force of 3 N is applied on the block. The coefficient of static friction between the plane and the block is 0.6. What should be the minimum value of force P, such that the block does not move downward?
(take g=10ms−2)
a. |
32N |
b. |
25N |
c. |
23N |
d. |
18N |
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