A farmer had 15 sheep, and all but 8 died. How many are left?

Wire of resistance 6.2 Ω is connected to a battery whose emf ε is 4.0 V and whose internal resistance is 0.38 Ω. In 2.

As the energy of a wave moves through the water, what happens to the water particles themselves? a. They are carried away. b. They sink to the bottom. c. They move up and down, but do not move forward. d. They slowly move backward.

A system consists of two charges, and 109. The force exerted on charge q has a magnitude of F. Does the force exerted on the charge 10 q have a magnitude that is greater than, less than or equal to F? Explain.

Suppose an object is moving in a straight line at 50 mi/hr. According to Newton's first law of motion, the object will:

Which quantity is held constant for Boyle's law, Gay-Lussac's, and Charles's law

The force of attraction between two oppositely charged pith balls is 5.3 * 10-6 newtons. If the charge on the two objects is 6.7 * 10-9 coulombs, what is the distance between the two charges? (k = 9.0 * 109 newton·meter2/coulombs2)

To describe velocity you need to know?

Mohammed made a chart to list examples and nonexamples of projectile motion. Which best completes the chart? a - a football thrown in the airb - a kite flying on a stringc - a golf ball rolling off a table d - water spraying from a fountain

Halley's Comet appears around the sun about once every 76 years. It passes through the part of its orbit nearest the sun in just a few months but then moves out to great distances and takes more than half a century for the rest of its orbit.

In order to hike around a portion of Lake Allatoona, a tour guide determines that he must take his group 150 m east, 60 m north, then 75 m west.