Why did einstein square the speed of light in his equation e equals mc squared?

N which device is chemical energy transformed into electrical energy?

Consider electromagnetic waves in free space. What is the wavelength of a wave that has the following frequencies? (a) 4.10 x 10^11 Hz (b) 7.62 x 10^16 Hz

What type of reaction is 2Na+2H2O?2NaOH+H2+heat

As a positively charged object moves toward a negatively charged object, their potential energy increases. As a positively charged object moves toward another positively charged object, their potential energy increases.

When you anticipate the results of your experiment before you begin, you are making a

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

What is Nothing. (sorry i have been wondering this for a very long time)