What two variables affect how loud you hear sound?

Why do some species survive while others go extinct?

The farther light is from a source, a. the more spread out light becomes. b. the more condensed light becomes. c. the more bright light becomes. d. the more light is available per unit area

Why doesn't the skateboarder rolls as high up the ramp each time you go down the ramp

At the instant the traffic light turns green, an automobile starts with a constant acceleration a of 2.20 m/s^2. At the same instant a truck, traveling with a constant speed of 8.50 m/s, overtakes and passes the automobile.

What is a medium and why do waves travel through them?

Your heart pumps 80 g of blood with each beat. The blood starts from rest and reaches a speed of 0.60 m/s in the aorta. If each beat takes 0.16 s, the average force exerted on the blood is a. 3.0" 102 N b. 0.22 N c. 0.16 N d. 0.30 N e. 0.98 N

What is the formula for calculating the mass when i have the number of volume and density

What is the name for potential difference that causes current to flow? (A) electric charge (B) static discharge (C) voltage

How is a herpetologist and a ecologist similar

In an oscillating lc circuit, when 75.0% of the total energy is stored in the inductor's magnetic field, (a) what multiple of the maximum charge is on the capacitor and (b) what multiple of the maximum current is in the inductor?