Homework Help: physics

Posted by Michaela on Sunday, November 20, 2011 at 12:40pm.

A ball is projected horizontally from the edge of a table that is 1.15 m high, and it strikes the floor at a point 1.70 m from the base of the table.
(a) What is the initial speed of the ball?

m/s
(b) How high is the ball above the floor when its velocity vector makes a 45.0° angle with the horizontal?

m

physics - drwls, Sunday, November 20, 2011 at 3:01pm
Please show your work.
For part (a), Divide the 1.70 m horizontal displacement by the time required to hit the ground.

For part (b), find out where Vy = Vx = the value in part (a)

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