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

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

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

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