Question

Give the answer in one word/sentence -
(a) In which physical quantity is the unit of light year?
(b) What will be the displacement of minute hand to complete one cycle?
(c) What will be the kinetic energy of an object, if it's mass and velocity respectively are m and v..
(d) When two vectors will be equal?
(e) what is moment of inertia of Ring of radius R about its diameter when of ring is m? ​

Answer 1

Answer:

a.distance

b.zero

c.1/2*m*v*v

d.when there is equal displacement with time

e. inertia of rest