Derive mathematically the first equation of motion v=u+at
plzz a short answer

Which simple machine is not part of this compound machine? a. lever b. pulley c. inclined plane d. wheel and axle

How are series and parallel circuits simililar? both have multiple paths for electrons to travel. both require resistors in their circuits. both require a switch to complete the circuit. both have at least one path for electrons to travel.

Exercise 2. find the wavelength of a photon emitted when an electron jumps from the n = 3 energy level down to the n = 2 energy level. where is this photon in the electromagnetic spectrum?