Alrighty, thanks for the post. I'll try it again!
And i don't think friction exists in this problem...
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mg -Ng = m*ay
Nw=m*ax
weight=mg= mass x gravity
Ng= normal force from the ground
Nw=normal force from the wall
ay=...
Homework Statement
A uniform plank of length L leans against a vertical wall, its head a distance h above the horizontal ground. If we let go of the plank from rest, how far above the ground is the head of the plank the moment it loses contact with the wall?
Homework Equations
Fx=0
Fy=mgThe...
A 2.00m tall basket ball player is standing on the floor 10m from the basket. If he shoots the ball at 40 degrees angle with the horizontal, at what initial speed must he throw the basketball so that i goes through the hoop? The height of the basket is 3.05m.
Here how do i calculate for Vo...