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Sam is standing in an empty auditorium. He yells and hears his voice echo. What is happening to the sound to cause this echo?

What is the land between two normal faults that may be uplifted to form?

In Hypothesis #1, the was intentionally manipulated as the independent variable. In Hypothesis #2, the was intentionally manipulated as the independent variable. The dependent variable measured in both cases was the.

A police car is parked by the side of a highway and its siren emits a sound measuring 750 Hz. As you approach the police car from a distance, you hear a change in the sound. The change is in the sound's

What is force? Write state of gravitational force

How many moons does Venus have? a. 3 b. 6 c. 0 d. 12

8. A car moving at 35 m/s has 675 joules of KE. What is the mass of the car?

What force works against gravity as water infiltrates the soil and moves underground?

When is it safe for you to place a construction load on a concrete structure

You have two pendulums with cords that are exactly the same length. one is on earth (with an acceleration due to gravity of 9.81 meters/second2) and the other one is on the moon (with an acceleration due to gravity of 1.63 meters/second2).

The magnetic field is 0.0 2M from the wire is 0.1 T what is the magnitude of the magnetic field 0.0 1M from the same wire