Elements found in nature only in compounds

The voltage (or electric potential) of battery determines a. how much net electric charge is in the battery b. how much work the battery can do on an electric charge c. how much electric field is around

The formula CO2 is an example of Element Ionic compound Covalent compound Metallic compound

A 0.71 kg spike is hammered into a railroad tie. The initial speed of the spike is equal to 3.8 m/s. If the tie and spike together absorb 38.

An electric buzzer is activated, then sealed inside a glass chamber. When all of the air is pumped out of the chamber, how is the sound from the buzzer affected?

A handball player hits the ball with a mass of 0.25 kg. The ball travels at a velocity of 15 m/s for. 75 s until it hits the wall. What is the average acceleration of the handball A. 20m/s^2 B 0.05m/s C, 20m/s D. 0.05m/s^2

What is the resistance of a clock if it has a current of 0.30 a and runs on a 9.0-v battery? 0.033 2.7 9.3 30

A child is sledding. He starts at the top of the hill with a velocity of zero, and 3 seconds later he is speeding down the hill at 12 meters per second. What is the child's acceleration?

An accelerating voltage

A speck of dust on a spinning dvd has a centripetal accelera - tion of 20 m/s2. a. what is the acceleration of a different speck of dust that is twice as far from the center of the disk? b.

An object travels 8 meters in the first second of travel, 8 meters again during the second second of travel, and 8 meters again during the third second. Its acceleration is A. 0 m/s^2 B. 8 m/s^2 C. 16 m/s^2 D. 32 m/s^2