A radio-controlled model car is moving in a circular path with a radius of 32 meters. The car completes exactly 2.0 laps in 55 s. What is the average speed of
the car?

Light from a sodium lamp passes through a diffraction grating that has 1000 slits per millimeter. the interference pattern is viewed on a screen 1.000 m behind the grating. the first (m = 1) two bright yellow fringes that are visible are 0.7288 m and 0.7300 m from the central maximum. what are the wavelengths of these two fringes?

Ryan is examining the energy of the particles in a bar of gold. what is ryan most likely studying?

It takes a lot of energy to get the temperature of water to increase and eventually boil because water has a high heat.