Since a bell-clapper vibrated at regular intervals of time, it can be used as a timing device. With the ald o carbon paper and ticker-tape, the position of an object relative to time can be determined. Figure 1 shows ª sample of a tape drawn through the bell-clapper. a b Figure 1. During what interval was the velocity constant? Between (& D During what interval was the acceleration greatest? Instead of using a time unit of only one vibration, we might use five vibrations, a penta-tick. Scm. What is the distance traveled during the first penta-tick? If we know distance and time, then we know the speed. Therefore the average speed traveled during the first penta-tick is during the second penta tick is 10

University Physics Volume 1
18th Edition
ISBN:9781938168277
Author:William Moebs, Samuel J. Ling, Jeff Sanny
Publisher:William Moebs, Samuel J. Ling, Jeff Sanny
Chapter3: Motion Along A Straight Line
Section: Chapter Questions
Problem 29P: On February 15, 2013, a superbolide meteor (brighter than the Sun) entered Earth’s atmosphere over...
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under a velocity-time graph represents the distance traveled.
D. The slope of a velocity-time graph represents the acceleration.
Background Information
Since a bell-clapper vibrated at regular intervals of time, it can be used as a timing device. With the ald of
carbon paper and ticker-tape, the position of an object relative to time can be determined. Figure 1 shows a
sample of a tape drawn through the bell-clapper.
a
C
Figure 1.
During what interval was the velocity constant?
Between (& D
During what interval was the acceleration greatest?
Instead of using a time unit of only one vibration, we might use five vibrations, a penta-tick.
What is the distance traveled during the first penta-tick?
Scm
If we know distance and time, then we know the speed. Therefore the average speed traveled during the
first penta-tick is
during the second penta tick is
10
Еquipment
• ticker-tape, about 1'/2 meters
• cm ruler
• carbon discs for timer
• bell-clapper
5
Transcribed Image Text:under a velocity-time graph represents the distance traveled. D. The slope of a velocity-time graph represents the acceleration. Background Information Since a bell-clapper vibrated at regular intervals of time, it can be used as a timing device. With the ald of carbon paper and ticker-tape, the position of an object relative to time can be determined. Figure 1 shows a sample of a tape drawn through the bell-clapper. a C Figure 1. During what interval was the velocity constant? Between (& D During what interval was the acceleration greatest? Instead of using a time unit of only one vibration, we might use five vibrations, a penta-tick. What is the distance traveled during the first penta-tick? Scm If we know distance and time, then we know the speed. Therefore the average speed traveled during the first penta-tick is during the second penta tick is 10 Еquipment • ticker-tape, about 1'/2 meters • cm ruler • carbon discs for timer • bell-clapper 5
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