during a 3.00 s time interval, the runners position changes from x1=50.0m to x2=30.5m what was the runners average velocity

Describe how particles that make up an object change when the objects temperature increases

What is the difference between long-wave and short wave radiation?

When an object moves into the path of another object, it is called

Do change that cannot be easily reversed such as burning observe the law of conservation of mass

Compared to the current in the 10.-ohm resistance in the circuit shown at the right, the current in the 5.0-ohm resistance is a. one-half as great b. one-fourth as great c. the same d. twice as great

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