Suppose a runner completes one lap around a 400-m track in a time of 50 s. Calculate the average speed of the runner.

What is the standard unit of frequency Amplitude Hertz Period Second

Consider the standing wave on a guitar string and the sound wave generated by the string as a result of this vibration. what do these two waves have in common? (there may be more than one correct choice.)

It takes Serina 0.25 hour to drive to school. Her route is 16 km long. What is Serinaa's average speed on her drive to school?

The amount of gravitational force exerted on each other between two objects depends on their A) mass and distance. B) mass and diameter. C) distance and volume. D) distance and location.

What will be the effect of two forces of equal magnitude acting on a moving rigid body from opposite directions along the same line? a) the object will deform. b) the object will twist or turn. c) the object will remain in static equilibrium.

An experiment is performed to obtain the value of a physical property. If the true (i. e., correct) value of the property is 50 and the measured (i. e., experimental) value is 32, the percent error of the experimental result is:

White moths were found in huge numbers in the city of Birmingham. These moths could be easily camouflaged by the trees. Because of sudden industrial development, the trees in the city were covered with soot.

What two factors determine how fast weathering occurs

A sound that's produced by a single wave at a constant frequency and with no overtones is called

Which of the following is ignored when determining the relative mass of atoms? protons nucleus electrons. neutrons