A 2 kg book is sitting on a table. A 10 N force is pulling it to the right. A 3 N force is pulling to the left. What is the Net Force acting on the book? A. 2 N down B. 7 N to the right C. 13 N to the right D. 15 N to the right

Which occurs when a warm fluid cools down

12. We've learned that velocity is a vector quanuty. Is force also a vector quantity? Why or why not?

The force of gravity on an object on the surface of Mars is less than the force of gravity on an identical object on the surface of Earth. Which of the following explains why this is true? A. Mars has more volume than earth. B.

5. A car has a kinetic energy of 4.32x105 J when traveling at a speed of 23 m/s. What is its mass?

Electrical energy can be transformed into other types of energy. We often experience this transformation of energy in our everyday lives. Which example represents a conversion from electrical energy to light energy?

A 5.90-g lead bullet traveling at 410 m/s is stopped by a large tree. If half the kinetic energy of the bullet is transformed into internal energy and remains with the bullet while the other half is transmitted to the tree, what is the increase in

How do you scientists determine the number of neutrons in an isotope of an atom?

Why is energy efficiency important to society's need to be efficient with energy usage?

A wave has a wavelength of 9 mm and a frequency of 14 hertz. What is its speed?

Where would you weigh the most? Mars Pluto Earth The Sun The moon