Q: The angular momentum of a particle of mass 0.01 kg, position vector $ \vec{r} = (10 \hat{i} + 6 \hat{j} ) $ metre and moving with a velocity $3 \hat{j} $ m/s about the origin will be (a) $ 0.03 \hat{k} $ j-s (b) $ \frac{1}{3} \hat{k} $ j-s (c) $ 3 \hat{k} $ j-s (d) $ 0.3 \hat{k} $ j-s Ans: (d) Also Read :A particle m starts with zero velocity along a line y = 4d. The position of particle m varies as x =…A particle of mass m moves in the XY plane with a velocity V along the straight line AB. If the…A particle of mass m is moving in yz-plane with a uniform velocity v with its trajectory running…A mass m is moving with a constant velocity along a line parallel to x-axis. Its angular momentum…The position of a particle is given by: r = (i + 2j - k ) and momentum P = (3i + 4j - 2k ). The…A particle of mass 1 kg is moving in the xy – plane whose position at an instant t is r = 3 sin 2t i…For the ground state, the electron in the H-atom has an angular momentum = h, according to the…A particle of mass m moves along line PC with velocity v as shown. What is the angular momentum of…A particle of mass m1 is moving with a velocity v1 and another particle of mass m2 is moving with a…Let F be the force acting on a particle having position vector r and T be the torque of this… Post navigation Figure shows two identical particles 1 and 2, each of mass m, moving in opposite directions with same speed v along parallel lines… There are two identical balls of same material, one being solid and the other being hollow. How will you distinguish them without weighting ?