STATEMENT – 1
Two particles moving in the same direction do not lose all their energy in a completely inelastic collision.
STATEMENT – 2
Principle of conservation of momentum holds true for all kinds of collisions.

• The statement I is True, Statement II is False.

• The statement I is True, Statement II is True; Statement II is a correct explanation for Statement I.

• The statement I is True, Statement II is True; Statement II is not the correct explanation for Statement I.

• Statement I is False, Statement II is

A particle is moving with velocity, where K is a constant. The general equation for its path is

• y = x² + constant

• y² =  x + constant

• xy = constant

• y² = x² + constant

The figure shows the position –time (x – t) graph of one–dimensional motion of a body of mass 0.4 kg. The magnitude of each impulse is

• 0.4 (Ns)

• 0.8 Ns

• 1.6 Ns

• 0.2 Ns

The respective number of significant figures for the numbers 23.023, 0.0003 and 2.1 × 10^–3 are

• 5,1,2

• 5,1,5

• 5,5,2

• 4,4,2

A point p moves in counter -clockwise direction on a circular path as shown in the figure. The movement of P is such that it sweeps out the length s = t3 + 5, where s is metre and t is in second. The radius of the path is 20 m. The acceleration of P when t =2 s is nearly

• 13 ms^-2

• 12 ms^-2

• 7.2 ms^-2

• 14 ms^-2