What do you understand by gravitational potential energy? what is the increase in the gravitational potential energy of a 20 kg block which is lifted 10m from the ground?

Which instrument is used to measure air temperature

In a load, the load is paralel to the shaft. n a. angular n b. thrust n c radial n d. none of the above

What happens when chlorine reacts with bromine? a. electrons move from the chlorine atoms to the bromine atoms. b. electrons move from the bromine atoms to the chlorine atoms. c. electrons are shared between the chlorine atoms and the bromine atoms. d. electrons become delocalized among the atoms.