A standing wave of the third harmonic is induced in a stopped pipe of length 1.2 m. The speed of sound through the air of the pipe is 340 m/s. How many antinodes form in the standing wave pattern in the pipe?

What are the strength and direction of an electric field that will balance the weight of a proton?

The handle of a metal spoon warms up when it is placed in a hot bowl of soup because of radiation. conduction. convection. insulation.

Consider two wires made of copper. They have the same diameter but one of them has three times the length of the other. Choose the correct statement: a. Both wires have the same resistivity b.

If a woman has a mass of 50 kg calculate her weight in to the newton's

A measure of the force necessary to stretch or break the surface of a liquid

What is the tense In sailed

Acceleration is a vector quantity. O O A. True B. False

What will happen to the brightness of a string of bulbs hooked up in series when you increase the number of bulbs in the string? A. Each light in the string will get brighter. B. Each light in the string will get dimmer. C.

What are the two factors that influence the composition of beach material

Which of the following indicates that a ChemicL change has taken place? (A) a change from liquid to a gas (B) an increase in the volume of a substance (C) a change in the color of a substance (D) a change from a solid to a liquid A precipitate is a