A particle `P` is projected with speed `20 m//s` at angle `37^(@)` from horizontal as shown in figure, At the some instant `Q` starts from same point and moves with uniform acceleration towards right. Path of the particle `P` w.r.t. `Q` is straight line Acceleration of `Q` is :
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A paricle is projected from a point with initial speed of 10 m//sec at an angle of 37^(@) with the horizontal. At the same instant a fly starts on the same path of particle with constant speed of 10 m//s Then :

A particle starts from rest at t=0 and moves in a straight line with an acceleration as shown below. The velocity of the particle at t=3 s is

A particle starts from rest at t=0 and moves in a straight line with an acceleration as shown below. The velocity of the particle at t=3 s is

A particle is projected from point A at an angle of 53^(@) with horizontal.At the same time wedge starts from rest and moves with constant acceleration a as shown.The value of a for which the particle strikes the plane perpendicular to it at P is (tan53^(@)=4/3 g=10m/s^(2)) qquad P 45^(@) g' B'

Two particles P and Q are moving as shown in the figure. At this moment of time the angular speed of P w.r.t. Q is

Two particles P and Q are moving as shown in the figure. At this moment of time the angular speed of P w.r.t. Q is

A particle is projected with velocity u at an angle alpha from a point P on a horizontal plane strikes the plane at Q. The average velocity of the particle for its journey from P to Q is-

A particle is projected from a point P with a velocity v at an angle theta with horizontal. At a certain point Q it moves at right angles to its initial direction. Then