Teeth are an example of which type of simple machine?

A. lever

B. wedge

C. Inclined plane

D. pulley

A 4 kg bird has 18 joules of kinetic energy and is rolling 3 m/s. find the mass?

A 160 kilogram cannon fires a 30 kilogram cannonball with a speed of 45 m/s at an angle of 30 degrees with the horizontal. In what direction and at what speed does the cannon recoil?

0.2000 kg of water at 20.00°C is contained in a 0.1000-kg copper container. The container is shaken vigorously for 10.00 minutes to cause the temperature to rise to 22.00°C. Calculate the work done on the system and the heat supplied to the system.

3. Which of the following statements about diodes and triodes is correct? A. Adjusting the grid within a diode will have more of an effect than it will in the triode. B. Diodes, which are often utilized as rectifiers, have two electrodes. C.

When does a object exerts an action force

What is the tense In sailed

Acceleration is a vector quantity. O O A. True B. False

What will happen to the brightness of a string of bulbs hooked up in series when you increase the number of bulbs in the string? A. Each light in the string will get brighter. B. Each light in the string will get dimmer. C.

What are the two factors that influence the composition of beach material

Which of the following indicates that a ChemicL change has taken place? (A) a change from liquid to a gas (B) an increase in the volume of a substance (C) a change in the color of a substance (D) a change from a solid to a liquid A precipitate is a