Mechanics | Relativity Answers

A man leaves the garrage in his house and drives to a neighbouring town which is twenty kilometres away from his house on sight-seeing. He returns home to his garrage two hours after. What is his average velocity from home in km/h?

What is the difference between a concentrated load and a uniformly distributed load?

a particle moves along the side of a square of length 'l' starting from A and reaches the opposite corner C by travelling from A to B and from B to C.if the time taken is 't',the average velocity of the particle is?

a body moving with uniform acceleration travels a distance Sn=(0.4n+9.8)m in nth sec. find the initial velocity of the body in ms-1?

The moon rotates on its axis once every 27.3 days. Calculate through how many degrees it will rotate about its own axis in six hours?

a boat takes 2 hours to travel 8km up and 8km down the river when the water was still.how much time does the boat take to make the same trip when the river starts flowing at 4kmph ?

A ball is travelling with uniform translatory motion. This
means that
(a) it is at rest.
(b) the path can be a straight line or circular and the ball travels
with uniform speed.
(c) all parts of the ball have the same velocity (magnitude and
direction) and the velocity is constant.
(d) the centre of the ball moves with constant velocity and the
ball spins about its centre uniformly.

a man walk up a stationry escalator in 90 sec when this man stands on a moving escalator he goes up in 60sec the time taken by the man to walk up the moving escalator is ?

Describe uniformly rotating of a refrance. explain how velocity and acceleration are transeformed in such rotating frame of referance.

Sally travels by car from one city to another. She drives for 30.0 min at 76.0 km/h, 39.0 min at 32.0 km/h, and 11.0 min at 33.0 km/h, and she spends 14.0 min eating lunch and buying gas.
(a) Determine the average speed for the trip?