The part of an atom that is mostly empty is the

A + 1.0 c charged object and a + 2.0 c charged object are separated by 100 m. where should a - 1.0x10-3 c charged object be placed on a line between the positively charged objects so that the net electrical force exerted on the negatively charged

Which of the following are units that can be used to describe vector quantities? Check all that apply. A. Miles per hour B. Grams I C. Seconds O D. Meters

How long was a 60 W light bulb turned on if it used a total of 580 J of energy? A. 0.1 s B. 9.7 s C. 11.3 s D. 580 min

A catcher catches a 150g baseball traveling horizontally at 25 m/s. If the ball takes 20. ms to stop once it is in contact with the catcher's glove, what average force did the ball exert on the catcher?

You are out running and the first mile takes you 10 minutes. The second mile takes you 20 minutes. This is an example of negative acceleration. velocity. instantaneous speed. positive acceleration.

What type of energy is formed when chemical bonds are broken? A. Chemical energy B. Thermal energy C. Radiant energy D. Light energy

The liquid contained in batteries that conducts electric charge is called the: solution, electrolyte, suspension, colloid

Someone jumped from a high altitude at 31,000m above the earth. he freefalled for 4 min and 36 secs with top speed of 988 mph

What does the law of reflection mean?

Compared with the peak wavelength given off by the sun, what is the peak wavelength given off by a hotter star? A.) shorter in wavelength and higher in energy B.) shorter in wavelength and lower in energy C.