A water tank of dimensions 3m*2m*2m is half filled with with water. how much woill the pressure be exerted by water on the bottom o the tank? (density of water=1000kg/m^3 and g=9.8m/s^2)

Aforklift raises a 1,020 n crate 3.50 m up to a shelf. how much work is done by the forklift on the crate? the forklift does j of work on the crate.

What would be the result of an alpha particle coming into a magnetic field? a) the alpha particle will stop moving. b) the alpha particle will reverse its direction. c) the alpha particle will be deflected in a curve path. d) the alpha particle will continue to travel in a straight line.

Smallest intensity of a stimulus that you can detect 50 percent of the time is