How does the number of protons in the nucleus affect the number of neutrons in the nucleus? Independent variable Dependent variable

Suppose that she pushes on the sphere tangent to its surface with a steady force of F = 75 N and that the pressured water provides a frictionless support. How long will it take her to rotate the sphere one time, starting from rest?

A light aircraft travels 2 miles per hour less than twice the speed of a van. If the van can travel 171 miles in the same time it takes the aircraft to travel 336 miles, then what is the average speed of each?

An electric circuit can have no current when a switch is closed. True False

During physical activity of high intensity, your heart will beat at a percentage of its maximum rate. Whi this type of activity? A. 40%-50% 50%-70% O 70%-85% D. 85%-100%

Which explains why the sky appears blue on a sunny day? A. Colors of light with longer wavelengths scatter too far for the eye to detect. B. Blue light scatters in all directions more than other colors of light. C.

Which statement best describes how waves carry energy? A. Energy moves from one place to another through the wave. B. Energy increases as it moves through the wave. C. Energy is completely consumed by the beginning of the wave. D.

What forces act upon an object dropped in a vacuum

If Galileo's experiment did not measure the speed of light, what did it measure?

What best describes the angle between a changing electric field and the electromagnetic wave produced by it? 1. always equal to a right angle 2. always less than a right angle 3. varies from parallel to perpendicular 4.

Which data set has the smallest standard deviation? A. 1,6,19,20,85,29,0 B. 22,22,23,23,22,22,23 C. 6, 7, 6, 7, 1004, 980, 350 D. 99, 199, 299, 55, 44,33, 22