Dante drew a diagram of an electric generator.

which best describes dante’s error?
there should be a battery connected to the brushes.
there should be one brush on each slip ring.
the slip rings should be touching each other.
the magnets should be above the armature and axle.

Astone dropped into a well is heard to strike the water after 8seconds. find the depth of the well if the velocity of sound is 350m/s

You are traveling in a car going at a constant speed of 100km/h down a long, straight highway. you pass another car going in the same direction which is traveling at a constant speed of 80km/h. as measured from your car's reference frame this other car is traveling at −20km/h. what is the acceleration of your car as measured from the other car's reference frame? what is the acceleration of the other car as measured from your car's reference frame?

Explain what happens at the saturation point when adding salt to water at room temperature.