Aspring attached to a mass is at rest in the intial position (not shown). the spring is compressed in position a and is then released, as shown in position b. which equation describes conservation of energy in position a?

the correct answer is c. e = 1/2 kx*2

Trumpeter a holds a b-flat note on the trumpet for a long time. person c is running towards the trumpeter at a constant velocity. person b is running away from the trumpeter at the same rate. person d is standing still the whole time. which person hears a frequency that is lower than the b-flat?

Which safety measures should you follow during a thunderstorm? check all that apply. (a) avoid touching anything that conducts electricity. (b) avoid touching a person who has been struck by lightning. (c) go outside. (d) keep your computer turned off. (e) stay out of water. (f) stay inside.

The material that keeps its new shape after it is stretched is called?