A boat requires a horizontal force of 600 newtons to move it across the water at 15 meters per second. The boat’s engine must provide energy at the rate of

Explain why electric current cannot exist if a current doesn't have a voltage source.

Select the best definition for wavelength. the height of an oscillating electromagnetic wave the rate at which electromagnetic waves oscillate. the distance between two crests of an electromagnetic wave. the oscillations of electric and magnetic fields select the best definition for frequency. the oscillations of electric and magnetic fields. the height of an oscillating electromagnetic wave. the distance between two crests of an electromagnetic wave. the rate at which electromagnetic waves oscillate

Preciso de ajuda na parte de termometria e tenho prova amanhã ajuda ae prf