Compared to our sun, most stars in the halo are

The ratio of output power to input power, in percent, is called A. conductivity. c. work. B. efficiency. d. horsepower.

A 50kg hiker is standing on the edge of a cliff. Find the hiker's gravitational potential energy if the cliff is 30m high. (Show the equation, show your work and answer with units.)

Which test is performed by a-radiologist?

wich of the folling is best definition of vectors (quantities described by both force and gravity) (quantities described by bothspeed amnd movement) (quantities described by both velocity and acceleration) (quantities described by both magnitud)

A box with a mass of 2 kg accelerates in a straight line from 4 m/s to 8 m/s due to the application of a force whose duration is 0.5 s. Find the average strength of this force.

Which describes a property shared by ultraviolet light and X-rays? A They are both transverse waves. B They share the same wavelength. C They contain less energy than visible light. D They both require a medium to travel through.

What is the potential energy called that is associated with objects that can be stretched

Which of the following is not a current use of radioisotopes? medical diagnosis sterilization of equipment detection of leaks in building structures light fixtures

A Blu-ray disc is approximately 11 centimeters in diameter. The drive motor of a Blu-ray player is able to rotate up to 10,000 revolutions per minute. (a) Find the maximum angular speed (in radians per second) of a Blu-ray disc as it rotates

A body has translatory motion if it moves along a