1 two waves, each with intensity 40 db, interfere constructively. what is the intensity of the combined waves, in db?

An object in motion is usually seen moving in relation to an object that appears to

Which of these should you not do when merging onto a freeway? A. Select a gap large enough to fit your vehicle. B. Change lanes smoothly. C. Change two lanes at once and speed up. D. Adjust your speed to create a safe following interval.

If continental crust were thinner than its average thickness of 40 km, would it depress the mantle more or less than it does now? Explain.

How does the electrical force relate to the charge of an object? 0 O 0 It is inversely proportional to the square of the charge. it is directly proportional to the square of the charge. It is inversely proportional to the charge.

Which of the following terms is used for the chemical composition of a compound? (A.) Element Formula (B.) Chemical Formula (C.) Electron Arrangement (D.) Bond Arrangement

What is the term for the basic unit of electric current? The basic unit of electric current is the.

When a sailboat overtakes a powerboat, which vessel is the stand-on vessel?

Both matter and energy can eneter and exit which of the following systems? A. open only B. both open and closed C. isolated only D. both closed and isolated

1. Find the charge if the number of electrons is 4 x 10-18

Which of the following describes resistance force?