Motion in a Pla...

Find the area of parallelogram formed by  

A body is projected horizontally from the top of a cliff with a velocity of 9.8m/s. What time elapses before horizontal and vertical velocities become equal? Take g = 9.8m/s²

 Two vectors are equal if and only if

A cyclist moves along a circular path of radius 70m. If he completes one round in 11s, calculate total length of path.

 Find the odd one out:

An object thrown from an aeroplane is an example for

The vector product of parallel vectors is always:

Given, and . The unit vector of  is

If  what is the angle between  and 

A particle of mass 10 g moves along a circle of radius 6.4 cm with a constant tangential acceleration. What is the magnitude of this acceleration, if the kinetic energy of the particle becomes equal to 8 x 10^-4 J by the end of the second revolution after the beginning of the motion?