Question Text
Question 1 :
An electric fan has blades of length 30 cm measured from the axis of rotation. If the fan is rotating at 120 rpm, the acceleration of a point on the tip of the blade is
Question 3 :
The force required to keep a body in uniform circular motion is
Question 4 :
A body of mass 0.4 kg is whirled in a vertical circle making 2rev/s. If the radius of the circle is 2m, then tension in the string when the body is at the top of the circle is
Question 5 :
If a body is projected with an angle <img style='object-fit:contain' src="https://storage.googleapis.com/teachmint/question_assets/NEET/5e97fec8cf5ae23387f28f0c"> to the horizontal then
Question 7 :
In uniform circular motion, the velocity vector and acceleration vector are
Question 8 :
A body of mass <img style='object-fit:contain' src="https://storage.googleapis.com/teachmint/question_assets/NEET/5e97fed8cf5ae23387f28f3e"> moves in a circular path with uniform angular velocity. The motion of the body has constant
Question 9 :
The time period of the second’s hand of a watch is
Question 10 :
An aeroplane flying horizontally with a speed of <img style='object-fit:contain' src="https://storage.googleapis.com/teachmint/question_assets/NEET/5e9801334e70da2c08cb3d53"> releases a bomb at a height of 490 m from the ground. When will the bomb strike the ground?