Lisa has three classes that each last 50 minutes qhat ia the total nuber of minutes of minutes of the three classe?

Ultraviolet light emits a total of 2.5 * 10^-17 J of light at a wavelength of 9.8 * 10^-7 m. How many photons does this correspond to?

How can Newton's laws be used when addressing the motion of objects?

The average life span in the United States is about 70 years. Does this mean that it is impossible for an average person to travel a distance greater than 70 light years away from the Earth? (A light year is the distance that light travels in a year.

Which law states that a charge cannot be created or destroyed?. A. Law of Conservation of Charge. B. Law of Conservation of Motion. C. Ohm's law. D. Law of Conservation of Energy

How do magnetics ruin electronic devices

Which common gas is less abundant in the top of saturn's atmosphere, compared to what we observe at jupiter?

How many atoms are in NaHCO3

Which is a result of using a machine? The amount of work that is done is increased. The work input is less than the work output. Both the force and the distance through which it acts increase.

What is the difference between electromagnet and electromagnetism?

Which of the following can be determined by studying the spectrum of a star? the chemicals in the atmosphere of the star the motion of the star the temperature of the atmosphere of the star all of the above