What happens to the resistance of a wire as it gets wet

1. A renewable energy source that uses the movement of air to create electricity: A. wind B. hydroelectric C. geothermal D. Solar

When you drop a strong magnet through the center of a copper pipe, the magnet (A) descends slowly because its motion causes currents to flow in the pipe and those currents repel the magnet.

What type of energy is a hot cup of soup and is it mechanical or not?

According to Faraday's law, voltage cannot be changed by changing the magnetic field strength.

Why is the efficiency of a machine always less than 100 percent

Identify the following as a suspension or a colloid. sand in water

A cyclist starts at a position of 0 m and takes 3 s to move east to a position of + 8 m. He then cycles west to a position of + 5 m which takes an additional 2 s. What is the cyclist's displacement? a. + 11mb. - 8mc. - 5m d. + 5m

What happens when you shoot a bullet into the sky?

If you want to lift a 5-kg box to a height of 2 meters, how much work must be done? O A. 2J O B. 50 J O C. 98 J O D. 100

A diver initially moving horizontally with speed v dives dives offthe edge of a vertical cliff and lands in the water a distance dfrom the base of the cliff.