Which of the following correctly states the value and units of the acceleration of gravity on Earth?

A) 9.8 m/s2
B) 9.8 m/s
C) 9.8 km/s2
D) 9.8 m2/s
E) 9.8 km/s


A) 9.8 m/s2

Physics & Space Science

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What is the size of an object located at a distance of 1,000 meters and that has angular size A = 4 degrees?

A. about 4,000 meters B. about 11 meters C. about 35 meters D. about 70 meters

Physics & Space Science

Which of the following elements commonly forms an ion with a 2+ charge?

a. Li b. Al c. S d. Ca

Physics & Space Science

At what rate is thermal energy being generated in the 2R-resistor when ? = 12 V and R = 3.0 ??



a.
12 W

b.
24 W

c.
6.0 W

d.
3.0 W

e.
1.5 W

Physics & Space Science

The primary method of joining thermosetting polymers is with ___________.

Fill in the blank(s) with the appropriate word(s).

Physics & Space Science