Which of the following formulas can be used tro calculate mechanical advantage

The law of reflection states that if the angle of incidence is 40 degrees, the angle of reflection is ___ degrees.

If the atoms of one object (initially neutral) have electrons rubbed off through friction with a second object, the first object becomes---?

It is nearly impossible to succeed in sports without strategies and techniques to improve skills.

Draw a distance over time graph of a dog that is tied to a 4 foot rope and travels in 1 complete circle

How how would scientist describe a sunset

A standing wave is established in an organ pipe that is closed at one end. What is located at the open and closed ends of the pipe?

When all parts of a circuit are composed of conducting materials, the circuit is said to be A. parallel. B. closed. C. open. D. shorted.

You travel an an average speed of 20 km/h in a straight line to get to your grandmothers house. It takes you 3 hours to get to her house. How far away is her house from where you started?

A boat with an anchor on board floats in a swimming pool that is somewhat wider than the boat. Does the pool water level move up, move down, or remain the same if the anchor is (a) dropped into the water or (b) thrown onto the surrounding ground

In July 2005, NASA's "Deep Impact" mission crashed a 372-kg probe directly onto the surface of the comet Tempel 1, hitting the surface at 37,000 km/h.