when the line OA makes an angle of 45(@) with the x – axis
On a frictionless horizontal surface , assumed to be the x-y plane , a small trolley A is moving along a straight line parallel to the y-axis( see figure) with a constant velocity of sqrt 3 m/s . At a particular instant, when the line OA makes an angle of 45 degree with the x – axis, a ball is thrown along the surface from the origin O. Its velocity makes an angle phi with the x -axis and it hits the trolley . (a) The motion of the ball is observed from the frame of the trolley . Calculate the anglethetamade by the velocity vector of the ball with the x-axis in this frame . (b) Find the speed of the ball with respect to the surface , if phi = 4 theta / 3
28
Aug
On a frictionless horizontal surface , assumed to be the x-y plane , a small trolley A is moving along a straight line parallel to the y-axis( see figure) with a constant velocity of sqrt 3 m/s . At a particular instant, when the line OA makes an angle of 45 degree with the x [...]
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A large heavy box is sliding without friction down a smooth plane of inclination θ. From a point P on the bottom of the box ,
a small trolley A is moving along a straight line parallel to the y-axis( see figure) with a constant velocity of (sqrt(3)-1) m//s . At a particular instant ,
assumed to be the x-y plane ,
On a frictionless horizontal surface ,
the angular speed of A with respect to B is: ,
Two particles A and B are moving as shown in the figure. At this moment of time ,
when the line OA makes an angle of 45(@) with the x - axis ,