FIRST PERSON MARKED BRAINLIEST! EASY 7TH GRADE SCIENCE QUESTION!!! Ella Fitzgerald was a singer who was able to shatter a glass with the sound of her voice. Which of the following is the reason she could do this?
A. Interference
B. Diffraction
C. Resonance
D. Refraction

Write the equation for momentum, first using symbols for the variables, then using words for the variables.

You and a friend (alex) are at a a tree-top adventure park .. . part of the course requires you to climb up a rope. you both climb the same rope in the same amount of time. however, the tension in the rope is greater when alex climbs. who did the most work? alex did - more tension means more force - more force means more work was done you did - less tension means less force - less force means more work was done to find the work done, the force exerted and distance moved are multiplied. a couch is moved twice before you are happy with its placement. the same force was used to move the couch both times. if more work is done the first time it is moved, what do you know about the distance it was moved? when more work was done, the couch was moved less. when more work was done, the couch was moved further. when more work was done, the couch wasn't moved at all. when more work was done, the couch was moved the same distance.

The field between two charged parallel plates is kept constant. if the two plates are brought closer together, the potential difference between the two plates either a) decrease b) does not change c) increase?