Week 1-2 - Basic Capabilities

Question 1 of 10

1

Which of the following are examples of systematic errors

I. Weighing an object on an electronic balance.
II. Consistently reading meter stick values from an angle.
III. Using an incorrectly calibrated probe in an experiment.

Select one of the following:

I and III
I, II and III
II and III
I and II
I
II
III

Explanation

Question 2 of 10

1

Which statements about uncertainties are true?

I. Every measurement has an uncertainty.
II. Uncertainties are expressions of random error.
III. Uncertainties are always expressed as positive values.

Select one of the following:

I and II
I and III
II and III
I, II and III
I
II
III

Explanation

Question 3 of 10

1

What is the uncertainty in a measurement taken on an electronic balance that reads mass (in grams) to two decimal places?

Select one of the following:

+/- 0.5 g
+/- 0.05 g
+/- 0.005 g
+/- 0.1 g
+/- 0.01 g
+/- 0.001 g

Explanation

Question 4 of 10

1

If a scale reading is quoted as 23.75 ± 0.05 g, which value could not be possible for this reading?

Select one of the following:

23.72 g
23.69 g
23.80 g
23.78 g

Explanation

Question 5 of 10

1

Fill the blank space to complete the text.

Find z if:
x = (2.0 +/- 0.2) cm
y = (3.0 +/- 0.6) cm
z = x - 2y = cm

Hint: answer will resemble this format: (#.# +/- #.##) units

Explanation

Question 6 of 10

1

Which of the following units can be used to measure speed?

Select one or more of the following:

m/s
ms^-1
km/hr
ms
m/s*s

Explanation

Question 7 of 10

1

Fill the blank space to complete the text.

If w = (4.52 +/- 0.02) cm and x = (2.0 +/- 0.2) cm, find z if z = wx

z = cm^2

Hint: Answer will be in this format: (#.# +/- #.#) units

Explanation

Question 8 of 10

1

Fill the blank space to complete the text.

If x = (2.0 +/- 0.2) cm and y = (3.0 +/- 0.6) s, find z if z = x/y.

z = cm/s

Hint: Answer will be in this format: (#.# +/- #.#) units

Explanation

Question 9 of 10

1

Which of the following are vectors?

Select one or more of the following:

Speed
Time
Velocity
Distance
Displacement
Acceleration

Explanation

Question 10 of 10

1

Fill the blank space to complete the text.

Take the equation 2x = (g - y) / 2 and solve for g.

Hint: For your answer, put a space between every character, so 7a+ 3b will look like 7 x + 3 b.

g =

	Created by Ryan Elwell over 4 years ago

This quiz will asses your understanding of error, vectors and scalars, and basic mathematical operations

Week 1-2 - Basic Capabilities

Question 1 of 10

Which of the following are examples of systematic errors I. Weighing an object on an electronic balance. II. Consistently reading meter stick values from an angle. III. Using an incorrectly calibrated probe in an experiment.

Select one of the following:

Explanation

Question 2 of 10

Which statements about uncertainties are true? I. Every measurement has an uncertainty. II. Uncertainties are expressions of random error. III. Uncertainties are always expressed as positive values.

Select one of the following:

Explanation

Question 3 of 10

What is the uncertainty in a measurement taken on an electronic balance that reads mass (in grams) to two decimal places?

Select one of the following:

Explanation

Question 4 of 10

If a scale reading is quoted as 23.75 ± 0.05 g, which value could not be possible for this reading?

Select one of the following:

Explanation

Question 5 of 10

Fill the blank space to complete the text.

Find z if: x = (2.0 +/- 0.2) cm y = (3.0 +/- 0.6) cm z = x - 2y = cm Hint: answer will resemble this format: (#.# +/- #.##) units

Explanation

Question 6 of 10

Which of the following units can be used to measure speed?

Select one or more of the following:

Explanation

Question 7 of 10

Fill the blank space to complete the text.

If w = (4.52 +/- 0.02) cm and x = (2.0 +/- 0.2) cm, find z if z = wx z = cm^2 Hint: Answer will be in this format: (#.# +/- #.#) units

Explanation

Question 8 of 10

Fill the blank space to complete the text.

If x = (2.0 +/- 0.2) cm and y = (3.0 +/- 0.6) s, find z if z = x/y. z = cm/s Hint: Answer will be in this format: (#.# +/- #.#) units

Explanation

Question 9 of 10

Which of the following are vectors?

Select one or more of the following:

Explanation

Question 10 of 10

Fill the blank space to complete the text.

Take the equation 2x = (g - y) / 2 and solve for g. Hint: For your answer, put a space between every character, so 7a+ 3b will look like 7 x + 3 b. g =

Explanation

Which of the following are examples of systematic errors

I. Weighing an object on an electronic balance.
II. Consistently reading meter stick values from an angle.
III. Using an incorrectly calibrated probe in an experiment.

Which statements about uncertainties are true?

I. Every measurement has an uncertainty.
II. Uncertainties are expressions of random error.
III. Uncertainties are always expressed as positive values.

Find z if:
x = (2.0 +/- 0.2) cm
y = (3.0 +/- 0.6) cm
z = x - 2y = cm

Hint: answer will resemble this format: (#.# +/- #.##) units

If w = (4.52 +/- 0.02) cm and x = (2.0 +/- 0.2) cm, find z if z = wx

z = cm^2

Hint: Answer will be in this format: (#.# +/- #.#) units

If x = (2.0 +/- 0.2) cm and y = (3.0 +/- 0.6) s, find z if z = x/y.

z = cm/s

Hint: Answer will be in this format: (#.# +/- #.#) units

Take the equation 2x = (g - y) / 2 and solve for g.

Hint: For your answer, put a space between every character, so 7a+ 3b will look like 7 x + 3 b.

g =