EASY
NEET
IMPORTANT
Earn 100

The ratio of relative velocity of separation after collision to the relative velocity of approach before collision between two colliding bodies is,

54.55% studentsanswered this correctly

Important Questions on Work, Energy and Power

EASY
NEET
IMPORTANT
Physics Crash Course NEET>Chapter 4 - Work, Energy and Power>Level 2>Q 45
In a circus, stuntman rides a motorbike in a circular track of radius R in the vertical plane. The minimum speed at highest point of track will be,
EASY
NEET
IMPORTANT
Physics Crash Course NEET>Chapter 4 - Work, Energy and Power>Level 2>Q 46
A motorcycle is going on an over bridge of radius R. The driver maintains a constant speed. As motorcycle is descending, normal force on it,
EASY
NEET
IMPORTANT
Physics Crash Course NEET>Chapter 4 - Work, Energy and Power>Level 2>Q 47
Two glass balls, two ivory balls, two cork balls, two cast iron balls, two lead balls collide.
EASY
NEET
IMPORTANT
Physics Crash Course NEET>Chapter 4 - Work, Energy and Power>Level 2>Q 48
A sphere is suspended by a thread of length l. What minimum horizontal velocity has to be imparted to the sphere for it to reach the height of the suspension?
EASY
NEET
IMPORTANT
Physics Crash Course NEET>Chapter 4 - Work, Energy and Power>Level 3>Q 3
If a body is tied to a string and whirled in vertical circle, then the tension in the string at the highest position is,
EASY
NEET
IMPORTANT
Physics Crash Course NEET>Chapter 4 - Work, Energy and Power>Level 3>Q 4
A particle of mass m tied with string is revolving in vertical circular motion with same speed. Maximum possibility of breaking the string is at point
Question Image
EASY
NEET
IMPORTANT
Physics Crash Course NEET>Chapter 4 - Work, Energy and Power>Level 3>Q 5
A weightless thread can bear tension upto 3.7 kg. A stone of mass 500 g is tied to it and revolved in a circular path of radius 4 m in a vertical plane. If g=10 m s-2,then the maximum angular velocity of the stone will be
EASY
NEET
IMPORTANT
Physics Crash Course NEET>Chapter 4 - Work, Energy and Power>Level 3>Q 6
A body of mass m is rotated in a vertical circle of radius r. The minimum velocity of the body at the topmost position for the string to remain just stretched is