a box of mass 3 kg is lifted 1.5m onto a shelf. calculate the change in its gravitational potential energy. the gravitational field strength is 10n/kg

When a book falls from a shelf to the ground without anyone pushing on it, no work is done on the book. true or false

Jessie ran 5000 meters from the cops and an average speed of 6 meters / second before he got caught . how long did he run?

Will give brainliest! which statement best describes the difference between strong nuclear forces and weak nuclear forces? weak nuclear forces are involved when certain types of atoms break down. strong nuclear forces are responsible for holding atoms' nucleus together. weak nuclear forces hold bonds between atoms together. strong nuclear forces hold together the nucleus of an atom. strong nuclear bonds prevent atoms from falling apart. weak nuclear bonds prevent compounds from falling apart. strong nuclear forces are involved in breaking electrons from their shells. weak nuclear forces hold protons in the nucleus.