Why do we have seasons in Ohio?

A 0.500 cm diameter plastic sphere, used in a static electricity demonstration, has a uniformly distributed 40.0 pC charge on its surface. What is the potential near its surface?

2) Light reflects off of surfaces. It is also absorbed by opaque materials and transmitted through transparent objects. Consider this diagram of tvo sheets of construction paper.

An electron is released from rest in a vacuum between two flat, parallel metal plates that are apart and are maintained at a constant electric potential difference of Volts.

The mechanical advantage of a compound machine is equal to the one simple machine that has the greatest mechanical advantage. True or False?

A wire delivers 12.0 C of charge in 4.0 s. What is the current in the wire? A) 3.0 A B) 8.0 A C) 16 A D) 48 A

Which of the following is true A) land heats less rapidly than water B) land heats more rapidly than water C) land reaches higher temperatures than water D) both b and c

What is the upper limit to the mass of a neutron star beyond which neutron degeneracy pressure is unable to withstand the force of gravity and the neutron star is crushed out of existence into a black hole?

What happened to the test charge when brought near another positive charge, and how did you use this fact to score a goal only using positive charges? Explain for both the practice charge and more difficult levels.

You get up in the morning, get dressed, eat breakfast, walk to the bus stop, and ride to school. List three different energy transformations that have taken place.

If you lived by the sea, what effect of the moon would you see? Describe the effect.