What is always included in a comparative investigation?

O a dependent variable

O an independent variable

O a hypothesis

O a scientific question

If a proton is moved a certain distance directly opposite an external electric field, what can we say about the change in the electric potential it experiences?

A machine does 1500 joules of work in 30 second What is the power of the machine

Two parallel plates of area 160 cm2 are given charges of equal magnitudes 9.5 * 10-7 C but opposite signs. The electric field within the dielectric material filling the space between the plates is 1.0 * 106 V/m.

An object initially at rest experiences an acceleration of 9.8m/s2. How much time will it take it to achieve a velocity of 49m/s?

Which of the following choices defines energy in scientific terms? a force used on an object the ability to do work the motion of an object a change in temperature

Select the statement that best describes how the forces relate. A. The object on which they are acting and the distance to that object determines the amount of force. B.

A block with m = 300 grams oscillates at the end of a linear spring with k = 6.5 N/m. (assume this is a top-down view and the block is sliding on a frinctionless surface;

What changes would a cold front bring to an area with warm, dry weather? extended period of rain or snow several days of gray skies dry air and sunny skies rain or thunderstorms

Candace is a confident, disciplined, motivated, hardworking team player. She pushes her teammates to perform to their full potential but guides them and does not control them. What does Candace's commitment to her team show?

Windows that look into bathrooms are often translucent instead of transparent. Why?