The projectile motion of a particle of mass 5 g is shown in the figure. The initial velocity of the particle is 5 2 ms - 1 and the air resistance is assumed to be negligible. The magnitude of the chan

Question

The projectile motion of a particle of mass $5 g$ is shown in the figure.

The initial velocity of the particle is $5 \sqrt{2} {ms}^{- 1}$ and the air resistance is assumed to be negligible. The magnitude of the change in momentum between the points $A$ and $B$ is $x \times 10^{- 2} {kgms}^{- 1}$ . The value of $x$ , to the nearest integer, is ___ .

TestHub · Accepted Answer

| u → | = | v → | u → = u cos 45 i ^ + u sin 45 j ^ v → = v cos 45 i ^ - vsin 45 j ^ | Δ P → | = m v → - u → Δ P = 2 m u sin 45 ° = 2 × 5 × 10 - 3 × 5 2 × 1 2 Δ P = 50 × 10 - 3 = 5 × 10 - 2 .

Physics - Kinematics Question with Solution | TestHub

Doubts & Discussion