The reason why the position of an electron cannot be measured with absolute precision is:

What change takes place when a liquid absorbs heat energy without increasing its temperature?

Sopranos can sing notes at very high frequencies-over 1000 Hz. When they sing such high notes, it can be difficult to understand the words they are singing. Use the concepts of harmonics and formants to explain this.

Determine the total moment of inertia of a merry-go round with 5 children sitting on it. Of the five children, four are seated at the edge of the merry-go-round, and the fifth child is sitting exactly at the center.

If your life was a musical, what would the marquee say?

What are 3 biggest things in the universe?

What is the "atomic mass" of an atom?

What type of energy comes from the food that we eat?

Which of the following are vector quantities? check all that apply. a. time b. displacement c. force d. mass

Imagine you are on a bus with a helium balloon tied on a string tied to the seat in front of you. the bus stops short to avoid running over a rabbit and you are thrown forward. what happens to the balloon in relation to the bus? 1. the balloon pops.

Give one reason why the density of iron is higher than the density of oxygen