A circuit contains three light bulbs in parallel. After observation, a fourth light bulb is added, also in parallel. How does the intensity of the four light bulb circuit compare with the intensity of the three light bulb circuit?

A dog (mass 12.3 kg) sits on a sled (mass 5.1 kg) that is being pushed with a force of 33 N on a flat snowy surface. If the acceleration of both is 1.5 m/s2, what is the coefficient of kinetic friction for the sled sliding on the snow?

Now that you are familiar with MRI's, nanotechnology and micro-bots, use your imagination to brainstorm other probable inventions. Think of at least 5 more inventions that could be used to solve humanity's issues.

A spaceship of mass 2.1*106 kg is cruising at a speed of 5.8*106 m/s when the antimatter reactor fails, blowing the ship into three pieces. One section, having a mass of 4.6*105 kg, is blown straight backward with a speed of 2.5*106 m/s.

If the humidity is 95% does that mean 95% of the air is water vapor?

Audible beats are formed bu the interference of two waves A. Of slightly different frequencies B. Of greatly different frequencies C. With equal frequencies, but traveling in opposite directions D. From the same vibrating source.

What is the name of the force that opposes or slows down the motion of objects

If you jump into the air, are your legs pushing you away from the earth or pushing the earth away from you?

All of the following would be useful in trying to obtain procedural information to replicate an experiment previously published except for a lab journal used in the original experiment. a published scientific journal. a dictionary.

What happens if the polar jet stream shifts to bring air from the north farther south

What do we call seismic waves that are transmitted along the outside of earth?