As temperature increases, the speed of sound: decreases increases remains the same

Microwave ovens emit microwave energy with a wavelength of 12.7 cm. What is the energy of exactly one photon of this microwave radiation?

The force of gravity pulls all objects downwards." which of these statements is correct about this law of science?

As a bike accelerates from rest, it gains

Describe electrons. Location: Charge: Mass

Romeo threw a small bundle toward Juliet on a balcony 10.0 m above him with a velocity of 5.0 m/s. The bundle stopped rising after 1.5 seconds. How high did the bundle travel? Was that high enough for her to catch it?

A 91 kg block is released at a 6 m height as shown. The track is frictionless. The block travels down the track, hits a spring of force constant k = 1968 N/m. The acceleration of gravity is 9.

Why do charges build up on clothing in an electric dryer?

Two plates with area A are held a distance d apart and have a net charge + Q, and - Q, respectively. Assume that all the charge is uniformly distributed on the inner surfaces of the plates.

A circuit contains two 2,000 resistors connected in parallel. What is the total resistance of the circuit?

5. Consider two glasses, one filled with water and the other half-full, with the water in the two glasses being at the same temperature.