General Physics 1 Quarterly Exam

Which one of the following is NOT a fundamental quantity?

• Length

• weight

• mass

• time

How many base units are there in the SI?

• four

• five

• six

• seven

What is the correct scientific notation of 0.00034?

• 34x106

• 3.4x10-4

• 3.4x104

• 34x10-6

How is the number 0.009834 expressed in scientific notation?

• 9.834x104

• 9.834X10-4

• 9.834X103

• 9.834X10-3

How many meters are there in an inch?

• 0.0254

• 0.254

• 2.54

• 24.5

How many significant figures are there in 6712.460?

• 3

• 4

• 6

• 7

Which of the following numbers has the greatest number of significant figures?

• 103.07

• 124.5

• 0.09914

• 5.048x105

What is the difference between 3.0 and 3.0000?

• 3.0000 could be the result of an intermediate stop in a calculation; 3.0 as to result from a final step.

• 3.0000 represents a quantity that is known more precisely than 3.0

• There is no difference

• They convey the same information, but 3.0 is preferred for ease of writing.

Which of the following methods is more convenient to use in adding more than two vectors?

• Component Method

• Cosine Law

• Sine Law

• Parallelogram Method

Joseph measures his bathroom tiles to be 10 in. by 8 in. Given the conversion factor, 1 in=2.54 cm., what are the length and width in cm?

• 20.32 cm by 19.90 cm

• 25.50 cm by 20.32 cm

• 25.40 cm by 24.50 cm

• 35.40 cm by 12.32 cm