The electrostatic force of attraction between two charges, a and b, is proportional to

A car starts from rest at a stop light and reaches 20 m/s in 3.5 s. Determine the acceleration of the car. A) 3.5 m s2 B) 5.7 m s2 C) 20 m s2 D) 70 m s2

What occurs when the velocity of Earth is doubled? a. The orbit of Earth around the Sun becomes smaller b. The orbit of Earth does not change c. The Earth escapes the Sun d. The orbit becomes more elliptical

Any ferrous metal object within or near the mri magnet has the potential of becoming a projectile. this is commonly referred to as a ___ injury/effect

1913.0-14.6 * 10^2= Give the answer in scientific notation

Which of the answer choices best defines mixture? combination of two or more substances that can be separated using only chemical means combination of two or more substances that can be separated using physical means combination of two or more

About how much energy is transferred between a producer and primary consumer? A. 90% of the original energy from the Sun is transferred B. 10% of the original energy from the Sun is transferred C. 10% of the plant's energy is transferred D. 0.

If you exert a force of 500 n to walk 4 m up a flight of stairs in 4 s, how much power do you use?

The concepts of a "particle" and a "wave"

If a particle undergoes shm with amplitude 0.10 m, what is the total distance it travels in one period?

If the length of one side of a square is 12.0 m, what is the perimeter of the square?