Week 1-2 - Basic Capabilities

Frage 1 von 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.

Wähle eine der folgenden:

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

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Frage 2 von 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.

Wähle eine der folgenden:

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

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Frage 3 von 10

1

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

Wähle eine der folgenden:

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

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Frage 4 von 10

1

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

Wähle eine der folgenden:

23.72 g
23.69 g
23.80 g
23.78 g

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Frage 5 von 10

1

Fülle die Lücke, um den Text zu vervollständigen

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

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Frage 6 von 10

1

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

Wähle eine oder mehr der folgenden:

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

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Frage 7 von 10

1

Fülle die Lücke, um den Text zu vervollständigen

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

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Frage 8 von 10

1

Fülle die Lücke, um den Text zu vervollständigen

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

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Frage 9 von 10

1

Which of the following are vectors?

Wähle eine oder mehr der folgenden:

Speed
Time
Velocity
Distance
Displacement
Acceleration

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Frage 10 von 10

1

Fülle die Lücke, um den Text zu vervollständigen

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 =

	Erstellt von Ryan Elwell vor fast 5 Jahre

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

Week 1-2 - Basic Capabilities

Frage 1 von 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.

Wähle eine der folgenden:

Erklärung

Frage 2 von 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.

Wähle eine der folgenden:

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Frage 3 von 10

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

Wähle eine der folgenden:

Erklärung

Frage 4 von 10

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

Wähle eine der folgenden:

Erklärung

Frage 5 von 10

Fülle die Lücke, um den Text zu vervollständigen

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

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Frage 6 von 10

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

Wähle eine oder mehr der folgenden:

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Frage 7 von 10

Fülle die Lücke, um den Text zu vervollständigen

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

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Frage 8 von 10

Fülle die Lücke, um den Text zu vervollständigen

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

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Frage 9 von 10

Which of the following are vectors?

Wähle eine oder mehr der folgenden:

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Frage 10 von 10

Fülle die Lücke, um den Text zu vervollständigen

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 =

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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 =