The decibel scale is used to measure the perceived loudness of a sound.

a. True

b. False

Caleb is swinging Rachel in a circle with the Centripetal force of 533N. If the radius of the circle is 0.75m and Rachel has a mass of 16.4kg, how fast is Rachel moving? Round to the nearest tenth. Answer: 4.9 m/s Why? I just took the test; )

The gage pressure in a liquid at a depth of 3 m is read to be 49 kPa. Determine the gage pressure in the same liquid at a depth of 9 m.

Life-form that existed during the paleozic era included

If a wave has a speed of 100 m/s and a wavelength of 20 meters, what is the frequency?

These nerve cells are needed in muscle and tendons to detect degree of stress and stretching as a sensory activity. A. Ganglia. B. Cutaneous. C. Neuroglia. D. Proprioceptors

The kinetic energy of a moving object is equal to the work required to bring it to its speed from rest, or the work the object can do while being brought to rest.

Imagine standing on a bathroom scale and reading your weight. now lift one foot and read your weight again. does the scale read more, less or the same weight when you are standing on one foot?

The period T of a simple pendulum depends on the length L of the pendulum and the acceleration of gravity g (dimensions L/T^2). (a) Find a simple combination of L and g that has the dimensions of time.

What is an example of the theory that the best adapted organisms for an environment are the ones most likely to survive

What does not affect the apparent brightness of a star?