Adog pulls on a pillow with a force of 8.4 n at an angle of 31 degrees above the horizontal. what is the x component of this force?

The metric unit of electrical power is the watt volt ampere ohm

What is the energy of a photon of ultraviolet radiation with a frequency of 4.4 × 1015 hz? planck’s constant is 6.63 × 10–34

A0.580-kg rock is tied to the end of a string and is swung in a circle with a radius of 0.500 meters. the velocity of the rock is 4.50 m/s. what is the centripetal force acting on the rock? 15.5 n 5.22 n 69.8 n 23.5 n