$$\text{kg}, \text{ft}, \text{s}^2$$

Question 1

Which of the following is the correct SI unit for force?

Accepted Answer

Newton (N)

Question 2

A car travels 5.6 kilometers. Express this distance in meters using the correct conversion factor.

Accepted Answer

$$5.6 	imes 10^3$ m

Question 3

Which of the following is the correct scientific notation for the mass of the Earth, $$5,972,000,000,000,000,000,000,000 kg$$?

Accepted Answer

$$5.972 	imes 10$$^{24}$$ kg

Question 4

If you convert 0.00341 meters to scientific notation, what is the correct answer?

Accepted Answer

$$3.41 	imes 10$$^{-3}$$ m

Question 5

Which of the following is NOT a compatible group of SI units for the equation $$F = m 	imes a$$?

Accepted Answer

$$	ext{kg}, 	ext{ft}, 	ext{s}^2$$

Question 6

Express 7.52 kg in micrograms ($$\mug).$$

Accepted Answer

$$7.52 	imes 10^9$ \mu g

Question 7

An astronomer detects a radio wave with a wavelength of $$3,000,000,000 nm. $$What is this wavelength in decameters (dam)?

Accepted Answer

$$3$$ dam

Question 8

Which of the following correctly expresses $$0.0000529 	imes 10$$^{-6}$$ m in scientific notation?

Accepted Answer

$$5.29 	imes 10$$^{-8}$$ m

Question 9

Rewrite $$9.98 	imes 10^7$ in standard form.

Accepted Answer

99,800,000

Question 10

When converting from a smaller unit to a bigger unit using metric prefixes, what happens to the number?

Accepted Answer

The number becomes smaller

Question 11

Which of the following is the correct scientific notation for $$299,800,000 m/s$$?

Accepted Answer

$$2.998 	imes 10^8$ m/s

Question 12

A student measures the mass of a box as 10 kilograms. Which part of this measurement is the physical quantity and which is the unit?

Accepted Answer

10 is the quantity, kilogram is the unit

Question 13

Which metric prefix represents $$10^{-6}$$?

Accepted Answer

Micro ($$\mu)$$

Question 14

If you have $$1.6 	imes 10^4$ kg, what is this value in grams?

Accepted Answer

$$1.6 	imes 10^7$ g

Question 15

Which of the following is the correct order of SI prefixes from largest to smallest?

Accepted Answer

Tera, Giga, Mega, Kilo, Deci, Centi, Milli, Micro, Nano, Pico

Question 16

A measurement is given as $$3.88 	imes 10^6$ mm. Express this value in meters.

Accepted Answer

$$3,880 m$$

Question 17

Which of the following is the correct scientific notation for $$0.000001024 m$$?

Accepted Answer

$$1.024 	imes 10$$^{-6}$$ m

Question 18

Which of the following is the correct standard form for $$5.45 	imes 10^5$ kg?

Accepted Answer

545,000 kg

Question 19

If you shift from a bigger unit to a smaller unit using metric prefixes, what happens to the number?

Accepted Answer

The number becomes larger

Question 20

Which of the following is the correct SI unit for time?

Accepted Answer

Second (s)

Introduction to Physics: Measurement, Units, Prefixes, and Scientific Notation

스터디 가이드 - 연습 문제