You are 15.0m from the source of a sound. At that distance, you hear it at a sound level of 20.0dB. How close must you move to the sound to increase the sound level to 60dB?

I think its 45.0cm?

15.0cm

45.0cm

55.0cm

60.0cm

85.0cm

Where does the name "Black Hole" get it's name?

The fastest animal in the world is the peregrine falcon. It is capable of diving after its prey at an amazing 83.00 meters per second. Use the tiles below to determine how fast this is in miles per hour.

The ancient Greeks believed Earth was at the center of the universe. True or False?

Convert- a) 42° to kelvin b) 56k to °C c) 37° to °F d) 32° to °C

Explain why the following scenario fails to meet the definition of a fair test. Dr. Grow is studying Americans' preference for soft drinks.

An inductor (L), a resistor (R), a battery (V), and a switch are all connected in a single loop series circuit. Immediately after the switch is closed, a. The current in the circuit is L/R. b.

Which of the following equations can be used to directly calculate an object's impulse? A) p = mvt B) p = m/v C) p = FΔt D) Δp = FΔt

Julie drives 100 mi to Grandmother's house. On the way to Grandmother's, Julie drives half the distance at 40 mph and half the time at 40 mph and half the time at 60 mph. a. How long does it take Julie to complete the trip to Grandmother's house? b.

A rocket passing the earth with high speed will look shorter for the stationary observer measuring the size on earth than traveler in rocket. O True O False

Which characteristic of northern renaissance artworks do albrecht dürer and pieter bruegel the elder share? a. they rarely include symbols or have hidden meanings. b. they depict landscapes instead of portraits, religious scenes, or genres. c.