The speed of sound is affected by density and temperature, true or false?

You shoot a model rocket into the air with a speed of 18.2 m/s. now high does the rocket go?

A certain string has a mass of 120 g and a length of 40 cm. Consider the quantity 3 = 120/40. 1. Give the name of the quantity if there is one. 2. What is the interpretation of the quantity in this context? 3.

Describe how the amount of voltage applied to a circuit affects current flow.

Solid materials that do not possess an orderly arrangement of atoms are called

The independent variable is the only factor that a scientist

Why is copper a good conductor?

Sketch of the distance vs time graph for a car with constant velocity

3. Applying Concepts Explain why a canoe that has hollow, water- tight compartments on its ends won't sink, even if it is capsized.

If two forces of equal magnitude act on an object that is hinged at a pivot, the force acting farther from the pivot must produce the greater torque about the pivot. A) true B) false C) unable to decide without knowing the shape of the object

Standard voltage for electrical circuits in the United States is 120 volts. Is this the standard voltage in other countries?