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0:00:47

The coefficient of restitution e for a perfectly elastic collision is(a)1(b) 0(c) ∞ (d) –1

0:01:47

A bullet of mass 10 g leaves a rifle at an initial velocity of 1000 m/s and strikes the earth NEET

0:01:38

How much water a pump of 2 kW can raise in one minute to a height of 10 m ? (take g = 10 m/s^2) NEET

0:01:37

A particle of mass M is moving in a horizontal circle of radius R with uniform speed v. When it move

0:01:03

Two masses of 1g and 9g are moving with equal kinetic energies. The ratio of the magnitudes NEET1993

0:00:57

When a body moves with a constant speed along a circle NEET UG 1994

0:01:27

A position dependent force F=(7–2x+3x^2)N acts on a small body of mass 2kg and displaces NEET 1994

0:01:36

The kinetic energy acquired by a mass m in travelling distance d, starting from rest NEET UG 1994

0:01:02

A body, constrained to move in y-direction, is subjected to a force given by F=(-2i ̂+15j ̂+6k )N.

0:02:00

The potential energy between two atoms, in a molecule, is given by U(x)=a/x^12 − b/x^6 NEET 1995

0:01:18

A moving body of mass m and velocity 3 km/hour collides with a rest body of mass 2m and sticks to it

0:01:04

A body moves a distance of 10 m along a straight line under the action of a 5 N force. If the work

0:02:57

A metal ball of mass 2kg moving with speed of 36 km/h has a head on collision with a stationary ball

0:01:04

Two bodies of masses m and 4m are moving with equal kinetic energies NEET UG 1998, 1997, 1989

0:00:32

A shell in flight explodes into four unequal parts. Which of the following is conserved NEET UG 1998

0:03:09

A force acts on a 3 g particle in such a way that the position of the particle as a function of time

0:01:27

Two equal masses m1 and m2 moving along the same straight line with velocities + 3 m/s and –5 m/s

0:01:09

Two bodies with kinetic energies in the ratio of 4:1 are moving with equal linear momentum NEET 1999

0:02:47

A mass of 1 kg is thrown up with a velocity of 100 m/s. After 5 seconds, it explodes into two parts.

0:01:13

If F=(60i ̂+15j ̂−3k ̂ )N and v=(2i ̂−4j ̂+5k ̂ ) m/s, then instantaneous power is NEET UG 2000

0:00:55

TOP GOVERNMENT COLLEGES IN INDIA

0:04:09

What is the respective number of α and β particles emitted in the following radioactive decay NEET

0:00:23

The DoubtWalla Group #NEET PREPARATION

0:01:50

A particle is projected making an angle of 45°with horizontal having kinetic energy K. The kinetic