MEDIUM
JEE Main/Advance
IMPORTANT
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Assuming the motion of Earth around the Sun as a circular orbit with a constant speed of .
(a)The average velocity of the earth during a period of year is zero.
(b)The average speed of the earth during a period of year is zero.
(c)The average acceleration during first months of the year is zero.
(d)The instantaneous acceleration of the earth points towards the Sun.

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Important Questions on Circular Motion
EASY
JEE Main/Advance
IMPORTANT

EASY
JEE Main/Advance
IMPORTANT

MEDIUM
JEE Main/Advance
IMPORTANT

MEDIUM
JEE Main/Advance
IMPORTANT

EASY
JEE Main/Advance
IMPORTANT

EASY
JEE Main/Advance
IMPORTANT

MEDIUM
JEE Main/Advance
IMPORTANT
A ball of mass is attached to the end of a string having length . The ball is rotated on a horizontal circular path about a vertical axis. The maximum tension that the string can bear is . The maximum possible value of the angular velocity of ball (in ) is :

MEDIUM
JEE Main/Advance
IMPORTANT
Two identical discs of the same radius are rotating about their axes in opposite directions with the same constant angular speed . The disc is in the same horizontal plane.At time , the points and are facing each other as shown in the figure. The relative speed between the two points and is as a function of times best represented by
