M@ster P
Member
- Joined
- Feb 9, 2008
- Messages
- 619
- Gender
- Male
- HSC
- 2009
Q1. A ball is projected so that its horizontal range is 45 metres and it passes through a point 22.5 m horizontally and 11.25 m vertically above the point of projection. Find the angle of projection and the speed of projection.
Q2. A particle is projected with a speed of 25m/s in the direction of a point P distant 24m horizontally and 7m vertically above the point of projection.
a). Find the coordinates of the point on the trajectory directly below P.
b). At the instant of projection of the particle, a second particle is dropped from P. Prove that the two particles collide.
Thx in advance.
Q2. A particle is projected with a speed of 25m/s in the direction of a point P distant 24m horizontally and 7m vertically above the point of projection.
a). Find the coordinates of the point on the trajectory directly below P.
b). At the instant of projection of the particle, a second particle is dropped from P. Prove that the two particles collide.
Thx in advance.