What type of energy is converted when gasoline burns in an engine

1.) Explain the difference between theory, universal law, and opinion. 2.) How do scientific theories differ from opinions?

A 24.0-V battery is connected in series with a resistor and an inductor, with R = 9.40 Ω and L = 6.40 H, respectively. (a) Find the energy stored in the inductor when the current reaches its maximum value.

Heartburn is a form of indigestion felt as a burning sensation in the chest when stomach acid comes back up into the esophagus. Some people take an antacid to relieve heartburn. Which best describes the antacid's effect?

If you are rolling a car down a ramp, the speed at the top of the ramp will be (faster/slower) than the speed at the bottom. Is it faster or slower?

What does amplitude mean

A projectile is shot horizontally (x direction) from the edge of a vertical cliff 100 m above level ground. Its initial speed is 75 m/s. Neglecting air resistance.

9. What is the uncertainty of the measurement of a voltage measurement on the oscilloscope when the vertical scale is set to 2V / division, given that it uses an 8-bit D/A converter?

A 7 kilogram cat is resting on top of a bookshelf that is 3 meters high. What is the cat's gravitational potential energy relative to the floor?

What two factors determine the speed of sound

Is electric charge a property of just electricity or is charge a property of all atoms?