This experiment, you compare several unknown powders to known powders. What is the name given to all of the known materials used for comparison in this experiment?

A. quantities

B. controls

C. constants

D. variables

For a constant voltage, increasing the resistance will cause the current to decrease

If a basketball player runs 15 m in a time of 3 s, what was the runners average velocity?

Anna litical and noah formula are doing the cart and the brick lab. they drop a brick on a 2.6 kg cart moving at 28.2 cm/s. after the collision, the dropped brick and cart are moving together with a velocity of 15.7 cm/s.

What is the difference between vehicle borne and vector borne transmission?

How would the force of a test charge change if the electric field is doubled? The force would double. The force would decrease by half. The force would increase by a factor of four. The force would decrease by a factor of four.

How do sinkholes form?

What is the result of wave motion on water particles? A.) Water particles are pushed forward as they move up and down. B.) Water particles barely move forward as they move up and down. C.) Water particles are pushed down as they move side to side. D.

Nitric acid (HNO3) and potassium hydroxide (KOH) combine in a neutralization reaction to form water and a salt. Which of the following correctly identifies the salt that is produced? OHK NOK2 KNO3 HOH

When the speed of something is the same what is that called

Describe a process that converts chemical energy to thermal energy