Does sound move faster in a warm or cold room

A student placed a pencil in a cup of water. The pencil appears broken because light - always travels in a straight line makes the water in the glass evaporate bends when it passes through water reflects the pencil on the water's surface

What type of relationship exists between the length of a wire and the resistance, if all other factors remain the same? A. Resistance is directly related to length. B. Resistance is directly related to the square of the length. C.

As a carbonated drink, such as soda, is heated, what happens to the solubility of carbon dioxide gas in the drink? It increases. It decreases. It is not affected. It can increase or decrease.

What is the ph of ammonia

A camcorder has a power rating of 15 watts. If the output voltage from its battery is 5 volts, what current does it use?

3. What is the kinetic energy of a 1300 kg car moving at 26.3 m/s?

Kendall has empty graduated cylinder with markings and an identical graduated cylinder partway filled with water. She also has a balance and a marble. Which statement best describes what Kendall can do? A.

2. With regard to the pH scale, a solution with a pH A. higher than 7 is considered an acid. B. lower than 7 is considered basic. C. of 6 is considered neutral. D. close to 14 is considered a strong base.

If a car rolls gently off a vertical cliff, how long does it take to reach 90km/hr.

In the game of volleyball, what skill relates to Newton's second law