Mechanics | Relativity Answers

A river flows toward the east. Because of your knowledge of physics, you head your boat 56° west of north and have a velocity of 4.0 m/s due north relative to the shore.

(a) What is the velocity of the current?


m/s
(b) What is your speed relative to the water?


m/s

For the motion of particle , velocity v depends upon displacement x as v =20/(3x-2).If at t=0,x=0 then at what time t ,the x=20 ?

Two bodies are thrown vertically upward with the same initial velocity of 98m/s but 4 second apart.How long after the first one is thrown will they meet?

A ferry is crossing a river. The ferry is
headed due north with a speed of 2.5 m/s
relative to the water and the river’s velocity
is 3.5 m/s to the east. Find the direction in which the ferry is moving_measured from due east with counterclockwise postive)

Tom the cat is chasing Jerry the mouse across a table surface 1.5 m off the floor. Jerry steps out of the way at the last second, and Tom slides off the edge of the table at a speed of 5.0 m/s. Where will Tom strike the floor, and what speed will Tom have before hitting the floor

A toy car runs off the edge of a table that
is 1.267 m high. The car lands 0.5736 m from
the base of the table.
How long does it take for the car to fall?
The acceleration due to gravity is 9.8 m/s
What is the horizontal velocity of the car?

a point p is the contact point of wheel on ground which roll on ground without slipping the value of displacement of point p when wheel completes half rotation ( if radius is 1m)

the centre of the masss of solid cone along the centre of base to vertex is at ????????????????

a body is rolling without slipping on horizontal plane .the rotational energy of the body is 40 % of the total kinetic energy .identify the body ????????????????????? option .ring ,disc ,hollow cylinder or hollow sphere

a disc and a ring of same mass are rolling down fritionless inclined plane with same kinetic energy .the ratio of velocity of disc to velocity of ring is ??????????????????????