A stone is thrown straight up. What is its acceleration at the highest point?
What will be an ideal response?
9.8 m/s2 downward
Physics & Space Science
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Rocks that include silicon and oxygen as major components are called ________.
A. silicides B. silicates C. silicons D. di-silicons E. dioxides
Physics & Space Science
When a solid melts, energy is
A) absorbed by the solid. B) released by the solid. C) both of these D) neither of these
Physics & Space Science
A ray of light goes from one transparent material into another, as shown in the figure. What can you conclude about the indices of refraction of these two materials?
A) n1 ? n2 B) n1 > n2 C) n1 = n2 D) n2 ? n1 E) n2 > n1
Physics & Space Science
Capacitances of 10. ?F and 20. ?F are connected in parallel, and this pair is then connected in series with a 30. ?F capacitor. What is the equivalent capacitance of this arrangement?
What will be an ideal response?
Physics & Space Science