Why does the current is reduced as electrons move through a conductor

Why does a glass rod become positively charged when it is rubbed with a silk cloth?

Which statement best explains why machines are inefficient? a. energy transfer in compound machines gives off electrical waste. b. during energy transfer in machines, some energy is always lost as heat. c.

Freezing and thawing of water can cause creep, which is

Sixty miles is how many sec?

We hear sound because sound waves entering our ears and cause the ear drums to vibrate. The vibrations are then along tiny bones of the middle ear and converte which are processed by the cortex. sound wave radio waves nerve signals mechanical sign

An astronaut on the planet Trappist-1b tosses a rock horizontally with a speed of 7.95m/s. The rock falls through a vertical distance of 2.35m and lands horizontal distance of 9.57m from the astronaut.

Whicg of the following is not a force that would act on a bicycle as it moves down a street gravity air resistance fluid friction sliding friction

A student holds a magnet 1 m from a paper clip and sees no evidence of a force acting between the two. When the student brings the magnet 1 cm away from the paper clip, the paper clip begins to slide toward the magnet.

According to Newton's 3rd Law, an object's momentum depends on it's velocity and mass. 4 dog-sled teams competed to see who could gain the greatest momentum.

When resistors are connecting in a series, does the position of ammeter make any difference?