Recent content by Dastan

Suppose the ball [Red Dot] is coming from above at said speed at 90 degree. I have to use force to send it to green dot [after it reaches me] while it was still moving. Shouldn't I have to overpower the ball's KE?:hmm

Homework Statement A ball [Weight 5 kg & velocity 20 m/s] coming straight at me. How much force I would need to change its direction at 0 degree on left side & sent 20 meters? I simply don't know what formula I should use.Let alone how to calc it.

Homework Statement I was given data of a tsunami height,width & wave length & is asked to calculate total energy of the Tsunami meaning both Potential & Kinetic energy. Here length of wave = 5 km,height = 2 km & width = 1.5 km. Also ocean depth is 3.5 km. Homework Equations I don't...