A car moves around a circular track at a constant rate. What must change?

A. only it's speed

B. only it's velocity

C. both its speed and it's velocity

I hockey puck slides across an ice rink more easily than it does across a rough concrete surface why is this

should be considered the daily driving limit. A. Six to eight hours B. Twenty-four hours C. No limit D. One hour

You stand on the seat of a chair and then hop off. A) During the time you are in flight down to the floor, the Earth moves toward you with what acceleration? B) The Earth moves toward you through what distance?

Why is the result of the cell cycle important?

You are learning about energy transformations in science class. Sally's group made this electromagnet using a battery and some wire. Describe the energy transformation you see here.

StA A boat takes off from the dock at 2.5 m/s and speeds up at 4.2 m/s2 for 6.0 s. How far has the boat traveled? Round your answer to the nearest whole number.

In Part A, you determined that the heat added to the coffee is what you got. If it takes 4.2 J of energy to raise the temperature of 1.0 mL of coffee by 1.0∘C, then it should take twice as much energy to raise the temperature of 2.

The brightness of a star depends on what three factors?

What is most likely the relationship between Mendel's rules of genetics and Darwin's idea of biological evolution? Mendel's genetics states laws that are now part of the theory of biological evolution.

Why would it be a problem if your household appliances were connected in a series circuit