Abody falling freely from a given height h hits an inclined plane in its path at a height h. as a result of impact, the direction of the velocity of the body become 30 degree with horizontal axis. for what value of h/h the body will take max time to reach the ground. also find its maximum velocity before striking the ground.

How much work is done lifting a 9.10 kg box straight up onto a shelf that is 1.80 m high?

Astudent is working in the lab to determine how time affect impulse the student keeps the force the same in each row but changes impact the time some data is shown witch trial has the greatest a student is working in the lab to determine how time affect impulse the student keeps the fours the same in each row but change is the impact time some data shown witch trial has the greatest impulse

Alead ball is dropped into a lake from a diving board 5m above the water . it hits the water with a certain velocity and then sink with constant velocity in bottom . it reaches the bottom 5 second after it is dropped if g= 10m/s2 . find depth of the lake and average velocity of the ball ?