If you start a chemical reaction with 5 atoms of helium, how many atoms will you have after?*
4 atoms
10 atoms
1 atom
5 atoms

Aclarinetist, setting out for a performance, grabs his 3.350 kg clarinet case (including the clarinet) from the top of the piano and carries it through the air with an upward force of 24.65 n. find the case's vertical acceleration. indicate an upward acceleration as positive and a downward one as negative.

Question 1 (5 pts): what is the maximum distance for which you can you resolve the two individual headlights of an on-coming truck as two separate lights rather than one if the headlights are separated by 2.00 m and your eye has a diameter of 1.00 centimeter? assume a wavelength of 500 nm.

Suppose a comet has an orbital period of 309.1 years around the sun. what is it’s average distance from the sun?