Amy counts the wave crests traveling down a stretched string. Five wave crests pass Amy in two seconds. What is the frequency of the wave?

A. 5.0 Hz

B. 2.5 Hz

C. 10 Hz

D. 2.0 Hz

Hypothesize what might occur when a positive charged magnet is placed next to a negative charged magnet. What might happen when a positive charge is placed next to a neutral charge?

What can the arrow in a chemical reaction be translated to mean? Check all that apply A. yields B. accompanied by C. react to form D. added to E. except

Whats the distance between earth and the sun

What is the spine also known as

You did 150 joules of work lifting a 120 - N backpack. how high did you lift the backpack? how much did the backpack weigh in pounds

A car with a mass of 1,500 kg doubles its speed from 50 km/h to 100 km/h. by how many times does the kinetic energy of the car increase

3. Is there a way to dissolve more sugar into a solution that it should hold at that temperature? Explain how this is done and what the solution would be called.

Like matter, energy cycles continuously through an ecosystem. a. True b. False User: Like matter, energy cycles continuously through an ecosystem. True or False

A room is being accelerated through space at 7 m/s2 relative to the "fixed stars." it is far away from any massive objects. if a man weighs 500 n when he is at rest on earth, how much will he weigh in the room?

About what is Rigel's surface temperature?