In a hydrogen atom, the electron in orbit around the proton feels an attractive force of about 7.45 * 10-8 N. If the radius of the orbit is 5.89 * 10-11 m, what is the frequency? Answer in units of rev/s

A shopper at the supermarket follows the path ind

You are playing hockey with friends on a very large frozen pond. The hockey puck is at your feet motionless. You take a slap-shot with your hockey stick and the hockey puck goes zooming off at a high rate of speed sliding along the ice.

How are fossil fuels used in the harvesting of fresh apples from an apple tree? A) Fossil fuels power the rainwater used by the tree. B) Fossil fuels power the machine that shakes the tree so that the apples fall to the ground.

When two balanced forces cancel each other, they are in?

What is an example of thermal energy to mechanical energy

What does it mean when the orange light comes on for the anti-lock break? If it stays on what problem could it cause?

What is the relationship between matter and energy as it changes states of matter (phase changes?)

Television is becoming a more effective mass media outlet for advertising because so many more people own TV sets and have access to cable as well as satellite. A. True B. False

How to solve indices

The elements in group 17 of the periodic table are called halogens. all halogens have the same?