Tag Archives: Physics PDF solutions

Physics for Scientists and Engineers 3E by R. Knight, C1E&P15

A roof tile falls straight down from a two-story building. It lands in a swimming pool and settles gently to the bottom. Draw a complete motion diagram of the tile.

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Physics for Scientists and Engineers 3E by R. Knight, C1E&P14

You use a long rubber band to launch a paper wad straight up. Draw a complete motion diagram of the paper wad from the moment you release the stretched rubber band until the paper wad reaches its highest point.

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Physics for Scientists and Engineers 3E by R. Knight, C1E&P13

A child is sledding on a smooth, level patch of snow. She encounters a rocky patch and slows to a stop. Draw a complete motion diagram of the child and her sled.

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Physics for Scientists and Engineers 3E by R. Knight, C1E&P12

A car travels to the left at a steady speed for a few seconds, then brakes for a stop sign. Draw a complete motion diagram of the car.

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Physics for Scientists and Engineers 3E by R. Knight, C1E&P11

Figure Ex1.11 shows two dots of a motion diagram and vector \displaystyle \vec{v_2}. Copy this figure and add vector \displaystyle \vec{v_1} and dot 1 if the acceleration vector \displaystyle \vec{a} at dot 2 (a) points to the right and (b) points to the left.

Figure Ex1.11 Physics for Scientists and Engineers 3E by Randall Knight
Figure Ex1.11
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Physics for Scientists and Engineers 3E by R. Knight, C1E&P10

Figure Ex1.10 shows two dots of a motion diagram and vector \displaystyle \vec{v_1}. Copy this figure and add vector \displaystyle \vec{v_2} and dot 3 if the acceleration vector \displaystyle \vec{a} at dot 2 (a) points up and (b) points down.

Figure 1.10 Physics for Scientists and Engineers by Randall Knight
Figure 1.10
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Physics for Scientists and Engineers 3E by R. Knight, C1E&P9

  1. Figure Ex 1.9 shows the first three points of a motion diagram. Is the object’s average speed between points 1 and 2 greater than, less than, or equal to its average speed between points 0 and 1? Explain how you can tell.
  2. Use Tactics Box 1.3 to find the average acceleration vector at point 1. Draw the completed motion diagram, showing the velocity vectors and acceleration vector.

Figure Ex1.9
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Physics for Scientists and Engineers 3E by R. Knight, C1E&P8

  1. Figure Ex1.8 shows the first three points of a motion diagram. Is the object’s average speed between points 1 and 2 greater than, less than, or equal to its average speed between 0 and 1? Explain how you can tell
  2. Use Tactics Box 1.3 to find the average acceleration vector at point 1. Draw the completed motion diagram, showing the velocity vectors and acceleration vector.

Figure Ex1.8 for Physics for Scientists and Engineers by Randall Knight
Figure Ex1.8
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Physics for Scientists and Engineers 3E by R. Knight, C1E&P7

A softball player slides into second base. Use the particle model to draw a motion diagram showing her position and her average velocity vectors from the time she begins to slide until he reaches the base.

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Physics for Scientists and Engineers 3rd Edition by Randall Knight, Chapter 1 Exercise and Problems 6

A softball player hits the ball and starts running toward first base. Use the particle model to draw a motion diagram showing her position and her average velocity vectors during the first few seconds of her run.

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