Скачать или смотреть A ball is thrown with projection velocity u and projection angle 0 with ground. Motion of bal

A ball is thrown with projection velocity u and projection angle 0 with ground. Motion of ball is ground to ground projectile motion. Find
Velocity of strike
(a) ucose + u sinej
(b) -ucosei + usinėj
(c) ucosei u sinėj
(d) -ucosei - usinėj
Change in velocity from point of projection to point of strike.
(a) Zero
(b) 2usinej
(c) -2usinej
(d) 2ucosei
Charge in velocity from point of projection to maximum height
(a) usinėj
(b) -usinej
(c) ucosei
(d) -ucosei
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