How long must a simple pendulum be if it is to make exactly one swing per four seconds? (that is, one complete oscillation takes exactly 8.0 s.) ?

Which phrases describe an irregular galaxy? Check all that apply. has a round shape contains many young stars contains a lot of gas and dust has arms that extend from the center is smaller than other types of galaxies

The solar system formed from the A. collision of two massive stars. B. collapse of an interstellar cloud. C. explosion of an interstellar sun. D. grouping together of asteroids.

Which type of wave is described as a wave that is not confined to the space along medium? Standing Wave Vibration Shifting Wave Traveling Wave

What effect does a tripling of the net force have upon the acceleration of the object?

Two rooms A and B are 12.5m and 25m long in which room u will get the effect echo and why

What is one benefit of a switch in a circuit?

When you see a straw in a glass of water it looks bent why is this?

Compare the energy and wavelength of a microwave to the energy of a gamma ray.

T/F all compounds are molecules but NOT all molecules are compounds.

particle is projected from the surface of the planet Krypton with a speed equal to 3.6 times the escape speed from that planet's surface.