A velocity of `10 ms^(-1)` has its Y-component `5sqrt(2)ms^(-1)`. Calculate its X-component.

Two billiard balls are rolling on a flat table. One has the velocity components v_(x) = 1 ms^(-1), v_(y) = sqrt(3)ms^(-1) and the other has components v'_(x) = 2ms^(-1) and v'_(y) = 2ms^(-1) . If both the balls start moving from the same point, what is the angle between their paths ?

A body moving with velocity of 10ms^(-1) increases its velocity to 20ms^(-1) in 2 s. then the rate of change in velocity is ___-

A body moving with a velocity of 10ms^(-1) increases its velocity to 20ms^(-1) in 2 s. Then the rate of change in velocity is ______.

x- component of a vector vecA is twice of its y-component and sqrt(2) times of its z-component. Find out the angle made by the vector from y-axis.

A gas consists of 4 molecules with a velocity of 5ms^(-1),10 molecules with a velocity of 3ms^(-1) and 6 molecules with a velocity of 6ms^(-1) . Calculate their average velocity, root mean square velocity and most probable velocity.

A boy is moving westward with a velocity of 10ms^(-1) . In 20 seconds , velocity changes to 5 ms^(-1) southwards . Calculate the average acceleration of the boy in this interval

An electron is emittied with a veloctiy of 5 xx 10 ^(6) ms^(-1) . It is accelerated by an electric field in the direction of initial velocity at 3xx 10^(14) ms^(-2) . If its final velocity is 7xx10^(6) ms^(-1) calculation the distance coverd by the electron .

An aeroplane takes off at an angle of 60^(@) to the horizontal.If the velocity of the plane is 200kmh^(-1) ,calculate its horizontal and vertical component of its velocity.

Certain force acting on a 20 kg mass changes its velocity from 5ms ^-1 to 2ms^-1 . Calculate the work done by the force.

A bicycle initially moving with a velocity 5.0 ms^(-1) accelerates for 5 s at a rate of 2 ms^(-2) . What will be its final velocity?