Jim quadruples the distance between himself and a sound source. What is the change in decibels of the sound he hears?

A. - 6 dB

B. - 12 dB

C. + 6 dB

D. + 12 dB

Resonance occurs when a force causes an object to vibrate at

Three forces are exerted on an object placed on a slope in the figure. The forces are measured in newtons (N). 1. Assuming that forces are vectors, what is the component of the net force F⃗ net=F⃗ 1+F⃗ 2+F⃗ 3 parallel to the slope? 2.

Convert the following 3000m/s to km/min.

A small slope on a velocity vs. time graph indicates a small acceleration

The age of the solar system is believed to be approximately 4.6 billions years based on the data from a. samples of lunar rock b. samples of earth rock c. sample of meteorites

Which formula is used to calculate the mass of an object if the force and acceleration are known? a: m = Fa b: m = F/a c: m = a/F d: m = F - a

The circulatory system keeps the body and its tissues continuously oxygenated. It does this by having A) veins to carry both oxygenated blood to the tissues and deoxygenated blood to the lungs.

What is the "atomic mass" of an atom?

What type of energy comes from the food that we eat?

Which of the following are vector quantities? check all that apply. a. time b. displacement c. force d. mass