Q. The force on a particle is directed along an x axis and given by F = 0.97(x/4.6 - 0.52) where x is in meters and F is in Newtons. Find the work done by the force in moving the particle from x = 0 to x = 8.9 m.
Q. Water drips from the nozzle of a shower onto the floor 190 cm below. The drops fall at regular (equal) intervals of time, the first drop striking the floor at the instant the fourth drop begins to fall.
(a) Find the location of the third drop as measured from the nozzle of the shower when the first drop strikes the floor.
(b) Find the location of the second drop as measured from the nozzle of the shower when the first drop strikes the floor.