Electric field strength depends on which of the following? A
charge and distance
B
charge and mass
Coulomb constant and mass
D
Coulomb constant and radius

Does work output exceed work input when a machine is used? a) yes, it does, as machines create energy. b) it depends on the type of machine used. c) no, it doesn’t, as machines are inefficient. d) no, it doesn’t, as machines cannot create energy.

An object moves from position +34m to the position -15m in 15 seconds. what is the total displacement? what is the total velocity?

Which of the following are guidelines to follow for obtaining accurate observations