A6-kg bucket of water is being pulled straight up by a string at a constant speed. at a certain point the speed of the bucket begins to change. the bucket now has an upward constant acceleration of magnitude 3 m/s2. what is the tension in the rope now

You've already seen the value of 9.8 in this lesson. what's this value called? what quantity does it represent?

The discovery of the electron as a subatomic particle was a result of

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