The human ear is most sensitive to the sounds in what range?

1. 500 to 1500 Hz

2. 500 to 1500 s

3. 4000 to 5000 Hz

4. 5000 to 10000 s

5. 10000 to 20000 Hz

6. 2000 to 3000 s

7. 5000 to 10000 Hz

8. 2000 to 3000 Hz

9. 4000 to 5000 s

10. 100 to 250 Hz

What kind of relationship is it when a tree needs fungus to be present to grow normally

A mass of gas has a volume of 4 m3, a temperature of 290 K, and an absolute pressure of 475 kPa. When the gas is allowed to expand to 6.5 m3, its new temperature is 277 K. What's the absolute pressure of the gas after expansion? A. 104.1 kPa B. 279.

Describe 2 difference's between inner and outer planets

Why doesn't the rate of temperature range stay constant overtime?

Which of the following is/are true about the size of stars? Select all that apply. One solar mass is equal to the mas of the Sun Most stars are smaller than the Sun Most starts are larger than the Sun The Sun is smaller than average There are some

What is an example of total internal reflection at work?

Explaining how momentum can cause motion an astronaut on a space walk floats a little too far away from the space station. without air to push against, he cannot paddle back. however, the astronaut is holding a hammer.

A one-piece cylinder has a core section protruding from the larger drum and is free to rotate around its central axis. A rope wrapped around the drum of radius 1.39 m exerts a force of 3.34 N to the right on the cylinder.

In which of the following situations or places would you want to reduce the force of friction? More than one answer A. Skiing down a hill during a race. B. Walking down a steep hill. C. Sitting in the bed of a pickup truck while it turns a corner. D.

What are five examples that illustrate a machine or a person doing work on another?