Which of these is the easiest mineral identification property to use when you want to know whether you have pyrite or actual gold?

a. heft

b. luster

c. streak

d. magnetism

If you are doing a "rowing" motion, what muscle of the shoulder are you using?

What four things happen during a solar eclipse?

A bike rider pedals with constant acceleration to reach a velocity of 7.5 (vf) m/s over a time of 4.5 s (t). during the period of acceleration, the bike's displacement is 19 m (d). what was the initial velocity of the bike?

A circut contains a 2 microfarads and a 20 microfarads capacitor connected in parallel. What is the total capacitance of the circut? A. 9.6 mf B. 1.8mf C. 22mf D. 18mf

3. For the following questions, use a periodic table and your atomic calculations to find the unknown information about each isotope: You have a Nitrogen Isotope with a mass number of 15. How many neutrons are there? 15 7 8 14

A solid sphere of radius R has a total charge Q distributed evenly throughout its volume. What fraction of the total charge is located inside a radius R/2?

What is Nothing. (sorry i have been wondering this for a very long time)

What is the speed of a bobsled whose distance-time graph indicates that it traveled 123m in 28s?

Eric has a mass of 80 kgkg. He is standing on a scale in an elevator that is accelerating downward at 1.7 m/s2m/s2. What is the approximate reading on the scale?

Without the force of friction, people would not be able to walk.