At what height is an object that has a mass of 50kg, if its gravitational

potential energy is 9800J?

A 100-cm3 container has 4 g of ideal gas in it at 250 kPa. If the volume is changed to 50 cm3 and the temperature remains constant, what is its new density? 80 kg/m3 250 kg/m3 400 kg/m3 50 kg/m3

What process changes radio waves

What is the velocity of light as it moves from air to diamond.

If you live near the ocean, how do Earth, the sun, and the moon interact to affect your life?

On a map of New Mexico, 1 cm represents 45 km. The distance from Albuquerque to Santa Fe is 2 cm. Find the actual distance. A. 90 km B. 22.5 km C. 15 km D. 60 km

The slope of a velocity time graph over any interval of time gives the during that interval

if light travels in a vacuum at 3.00 x 10^8m/s and its frequency is 7.44 x 10^7 what is its wavelength

the half-life of carbon - 14 is 5730 years. What fraction of carbon-14 would remain after 11,460 years?

An object with a mass of 10.9 kg experiences a force of 18.53 N. What is the acceleration of the object? A. 2.2 m/s2 B. 1.7 m/s2 C. 16.83 m/s2 D. 1.3 m/s2

A proton, starting from rest, accelerates through a potential difference of 1.0 kV and then moves into a magnetic field of 0.040 T at a right angle to the field. What is the radius of the proton's resulting orbit