In the diagram below, a 10-kilogram ball is fired with a velocity of 500 meters per second from a 1,000 kilogram
cannon. What is the recoil velocity of the cannon?

A. 5 m/s
B. B) 2 m/s
C. C) 10 m/s
D. D) 500 m/s

If anyone who can me with this hw? i would really appreciate it

Panel bc in fig. p2.76 is semi-circular, with the 3 meter radius and horizontal straight edge through point b. compute (a) the hydrostatic force of the water on the panel, (b) its center of pressure, and (c) the moment of this force about point b. assume atmospheric pressure on the dry side of the panel

You charge a parallel-plate capacitor, remove it from the battery, and prevent the wires connected to the plates from touching each other. when you increase the plate separation, what happens to the following quantities?