2.0 cm of rain falls in 10 minutes. Assuming that the fall is steady and
uniform and the velocity of the rain-drops on striking the ground is 20
ms-1, Calculate the pressure on the ground due to the shower. (Assume
the velocity of water to be zero after impact).

During which interval are the persons represented by the graph not moving? a) 0 to 0.5 hrs b) 1.5 to 2 hrs c) 2 to 2.5 hrs d) 4.5 to 5 hrs

Abar magnet cut in half will form a total ofpoles. a)fourb)eightc)two

Identify the correct relation showing that the radius r of the orbit of a moon of a given planet can be determined from the radius r of the planet, the acceleration of gravity at the surface of the planet, and the time τ required by the moon to complete one full revolution about the planet. determine the acceleration of gravity at the surface of the planet jupiter knowing that r = 71 492 km and that t= 3.551 days and r= 670.9 × 10^3 km for its moon europa.