An ant goes from to Q on a circular path in 20 second Radius OP=10 m. What is the average speed and average velocity of it ?

The graph of position time shown in the figure for a particle is not possible because ...

Shape of the graph of position time given in the figure for a body shows that

As shown in the figure particle P moves from A to and particle Q moves from C to D. Displacements for P and Q are and y respectively then

Kepler's second law regarding constancy of aerial velocity of a planet is consequences of the law of conservation of

The orbital speed of Jupiter is

If the earth is at one-fourth of its present distance from the sun the duration of year will be

The period of a satellite in a circular orbit of radius R is T. the period of another satellite in a circular orbit of radius 4R is

Here is a cube made from twelve wire each of length , An ant goes from to through path A-B-C-G. Calculate the displacement.

As shown in the figure a particle starts its motion from 0 to . And then it moves from. A to B. is an are find the Path length

A particle moves from A to P and then it moves from P to B as shown in the figure. Find path length and displacement.

A particle moves from A to B and then it moves from B to C as shown in figure. Calculate the ratio between path length and displacement.

As shown in the figure a particle moves from. 0 to A, and then to B. Find pathlength and displacement.

The vectors  are equal in length and pair wise make equal angles. If , then 

For such questions, concept of scalar product is important. When we take a dot product of two vectors, we get a scalar value. This is called as scalar product.

The figure shows elliptical orbit of a planet m about the sun s . the shaded area SCD is twice, the Saded area SAB. If t₁ is the time tor the planet to move trom  C' and U and  t₂ is the time to move from A to B then

A Particle of mass is at rest at t=0. The force exerting on it in -direction is . Which one of the following graph is of speed