Which type of wave requires no medium?

ultrasonic wave

water wave

light wave

sound wave

A car accelerates along? the road. Which force actually moves the car

Imagine that an uncharged pith ball is brought into the electrostatic field of a charged rod. The side of the pith ball closest to the negatively charged end of the rod will A. not experience any induced charge and remain neutral. B.

The form of energy given off by the vibrating strings of the violin is? A. Electrical Energy B. Potential Energy C. Radiant Energy D. Sound Energy

Is there a difference between radial velocity and angular velocity or are they the same thing? If yes, where is the difference?

How would changing the proportions of substances in an alloy change its properties

What 4 things do all living organisms need to survive

A measure of the energy of motion of the particles in a substance is its

What is the final velocity of the combined bumper cars A 225 kg red bumper car is moving at 3.0 m/s. It hits a stationary 180 kg blue bumper car. The red and blue bumper cars combine and hit a stationary green bumper car of mass 150 kg.

0.4-L glass of water at 20°C is to be cooled with ice to 5°C. The density of water is 1 kg/L, and the specific heat of water at room temperature is c = 4.18 kJ/kg·°C. The specific heat of ice at about 0°C is c = 2.11 kJ/kg·°C.

Regions in a sound wave where particles are farthest apart are called