The speed of a wave is 65 m/s. If the wavelength is 0.8 meters, what is the frequency of the wave?
(Formula: wave speed = à xf)
a. 65.8 Hz b. 52.0 Hz C. 0.123 Hz d. 81.25 Hz

Acharge of 8.4x10^-4 c moves at an angle of 35 degrees to a magnetic field that has a field strength of 6.7x10^-3 t. if the magnetic force is 3.5 x10 ^-2 n, how fast is the charge moving?

An open cart is moving along a straight frictionless horizontal track. when rain starts falling vertically into the cart, what happens to the speed of the cart?

Which atomic model was proposed as a result of j. j. thomson’s work?