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Pretest answers - PowerPoint PPT Presentation

Review

Review

Review. Pretest Answers. Chapter 15. 1. How much work is done when a weightlifter holds a barbell motionless over his head? 2. Calculate the work done on a 2-N mass when it is lifted to a height of 2 m. 3. Calculate the average speed of a bicycle that travels 100 m in 20 s.

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358 views • 26 slides
Pretest

Pretest

Pretest. Chapter 3. 1. What is the density of a sample whose mass is 12.02 g and whose volume is 6.01 mL? 2. Which of the following is an element? a. sand b. water c. gold d. sugar 3. Differentiate heterogeneous from homogenous mixtures. Pretest (continued). Chapter 3.

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410 views • 24 slides
Pretest

Pretest

Pretest. Chapter 3. 1. What is the density of a sample whose mass is 12.02 g and whose volume is 6.01 mL? 2. Which of the following is an element? a. sand b. water c. gold d. sugar 3. Differentiate heterogeneous from homogenous mixtures. Pretest (continued). Chapter 3.

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244 views • 24 slides
Pretest

Pretest

Pretest. Chapter 15. 1. How much work is done when a weightlifter holds a barbell motionless over his head? 2. Calculate the work done on a 2-N mass when it is lifted to a height of 2 m. 3. Calculate the average speed of a bicycle that travels 100 m in 20 s.

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371 views • 23 slides
Pretest

Pretest

Pretest. Chapter 2. 1. What instrument would you use to measure temperature? 2. Which of the following is a unit of volume? a. gram b. atmosphere c. meter d. liter 3. What characteristic of matter can you measure using a graduated cylinder?. Pretest (continued). Chapter 2.

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304 views • 16 slides
Pretest

Pretest

Pretest. 1. What is relative motion? 2. What is the difference between distance and displacement? 3. How is average speed calculated? 4. On a distance-time graph, what does the slope represent? . Pretest (continued). 5. What is velocity?

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266 views • 4 slides

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