A house is lifted straight up from its foundation onto a truck for relocation. the unbalanced force lifting the house is 2850 N. This force causes the house to move from the rest to an upward speed of .15m/s for a distance of 0.45 meters. What is the mass of the house?

An object of dimensions 50 cm x 40 cm x 0.20 cm has a mass 60g. find its density in g/cm3 and kg/ m3

Describe uniform velocity and variable velocity in short

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.