The multiple reflection of a single sound wave is a/an

A. echo.

B. diffraction.

C. reverberation.

D. refraction

Why are atoms in a covalent bond usually a certain distance away from each other?

Which metal would cause the greatest increase in the temperature of the water in the calorimeter: the one with the highest specific heat, or the one with the lower specific heat?

A boat travels north across a river at a velocity of 22 meters/second with respect to the water. The river's velocity is 2.2 meters/second to the east. What is the resultant velocity of the boat, as measured from the land?

How to find the radius in centripetal force?

If the mass of an object is 100kg and the acceleration due to gravity is 9.8m/s^2 what is the weight of the object

What is the primary function of the small intestines

A nuclear power plant generates a total of 150mw of power and 45% of this power is wasted heat that is discharged on the cooling water of a river. the river flows at 660.43 gal/s and has an upstream temperature of 64.4 ⁰f.

The universe is believed to have been form from a very dense fireball billions of years ago.

What does the slope of the line on this velocity versus time graph represent? A. positive deceleration B. zero acceleration C. positive acceleration D. negative acceleration

Which of the following objects has the greatest kinetic energy? a baseball flying through the air at 90 miles per hour a baseball flying through the air at 45 miles per hour a baseball flying through the air at 20 miles per hour a baseball sitting