Aproton moves through a region of space where there is a magnetic field b = (0.45i + 0.38j) t and an electric field e = (3.0i - 4.2j) x 10^3 v/m. at a given instant, the proton's velocity is v = (6.0i + 3.0j - 5.0k) x 10^3m/s. determine the components of the total force on the proton.

Astone dropped into a well is heard to strike the water after 8seconds. find the depth of the well if the velocity of sound is 350m/s

The slope of a velocity time graph over any interval of time gives the during that interval

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