A ball is thrown vertically upwards with a velocity of 15 m/s. Making an angle of 30.With which velocity it hits the ground?
If it is mentioned that vertically upward then it is perfectly perpendicular to ground
Angle=30 with respect to what ??
Vy= 7.5 m/s.
If it is a pure oblique projectile then we can say it will hit ground with the same velocity..This can be concluded by using vector representation and energy conservation..
Or by equation of projectile we can conclude so..horizontal velocity will b same through the motion and vertical velocity will be -u(sinx) by equation v=u+at..