COLLEGE PHYSICS
2nd Edition
ISBN: 9781464196393
Author: Freedman
Publisher: MAC HIGHER
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Chapter 2, Problem 38QAP
To determine
The average speed of the record setting runner in km/h
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• In heavy rush-hour traffic you drive in a straight line at 12 m>sfor 1.5 minutes, then you have to stop for 3.5 minutes, and finallyyou drive at 15 m>s for another 2.5 minutes. (a) Plot a positionversus-time graph for this motion. Your plot should extend from t = 0 to t = 7.5 minutes. (b) Use your plot from part (a) to calculate the average velocity between t = 0 and t = 7.5 minutes.
World Record Motorcycle
In 1967, New zealander Burt Munro set the world record for an Indian motorcycle, on the Bonneville Salt Flats in
Utah, with a maximum speed of 189.66 mi/h. The one-way course was 5.0 mi long. Acceleration rates are often
described by the time it takes to reach 60 mi/h from rest. If this time was 4.3 s, and Burt accelerated at this
rate until he reached his maximum speed, how long did it take Burt to complete the course? Express your
answer in seconds
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Chapter 2 Solutions
COLLEGE PHYSICS
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, physics and related others by exploring similar questions and additional content below.Similar questions
- Ce A webassign.net/web/Student/Assignment-Responses/submit?dep=27519463&tags=autosave#question3572106_11 (h) 0.0207 3 DETAILS A walker covers a distance of 2.2 km in a time of 32 minutes. What is the average speed of the walker for this distance in km/h? km/h 5. DETAILS A tortoise and a hare cover the same distance in a race. The hare goes very fast for brief intervals, but stops frequently, whereas the t hare. (a) Which of the two racers has the greater average speed over the duration of the race? OThe tortoise has the greater average speed since he was the winner. The hare has the greater average speed since he can go faster. Their average speeds are equal. OIt's impossible to determine who had the greater average speed without collecting data. (b) Which of the two racers is likely to reach the greatest instantaneous speed during the race? OThe tortoise has the greater instantaneous speed since he was the winner. OThe hare has the greater instantaneous speed since he can go faster.arrow_forwardIn 1967, New Zealander Burt Munro set the world record for an Indian motorcycle, on the Bonneville Salt Flats in Utah, with a maximum speed of 183.58 mi/h. The one-way course was 5.00 mi long. Acceleration rates are often described by the time it takes to reach 60.0 mi/h from rest. If this time was 4.00 s, and BL11t accelerated at this rate until he reached his maximum speed, how long did it take Burt to complete the course?arrow_forwardThere is a distinction between average speed and the magnitude of average velocity. Give an example fiat illustrates the difference between these two quantities.arrow_forward
- If you divide the total distance traveled on a car trip (as determined by the odometer) by the elapsed time of the trip, are you calculating average speed or magnitude of average velocity? Under what circumstances are these two quantities the same?arrow_forwardA hiker walks 3.00 km north and then 4.00 km west, all in one hour and forty minutes, (a) Calculate his average speed in km/h. (b) Calculate the magnitude of his average velocity. (See Section 3.2 and 3.3.)arrow_forwardIf you divide the total distance traveled on a car trip (as determined by the odometer) by the time for the trip, are you calculating the average speed or the magnitude of the average velocity? Under what circumstances are these two quantities the same?arrow_forward
- On May 26, 1934, a streamlined, stainless steel diesel train called the Zephyr set the world's nonstop long-distance speed record for trains. Its run from Denver to Chicago took 13 hours, 4 minutes, 58 seconds, and was witnessed by more than a million people along the route. The total distance traveled was 1633.8 km. What was its average speed in km/h and m/s?arrow_forward(10%) Problem 9: In 1967, the New Zealander Burt Munro set the world speed record for an Indian motorcycle, on the Bonneville Salt Flats in Utah, reaching 183.58 mi/h. The one-way course was 5.00 mi long. Acceleration rates are often described by the time it takes to reach 60.0 mi/h from rest. > * Assuming that time was 4.1 s for Burt, if he accelerated at a constant rate until he reached his maximum speed, and then continued at that speed until the end of the course, how long, in seconds, did it take him to complete the course? Grade Summary Deductions 0%arrow_forward22. Which of the following is the correct conversion of initial velocity in base SI units? Refer to the problem given below. Lamborghini Murcielago is one of the most iconic cars ever as it was featured as a Batmobile in the third installment of Batman Trilogy directed by Christopher Nolan. If it can go from 0 to 60 miles per hour in 3 seconds, what is its rate of change in velocity per unit time? (1 mile is equal to 1.61 kilometers) Group of answer choices 26.67 km/s 26.67 m/s 0 m/s 0 km/s No answerarrow_forward
- 2.6 .• A Honda Civic travels in a straight line along a road. Its distance x from a stop sign is given as a function of time t by the equation x(t) = at? – Bt, where a = 0.0500 m/s. Calculate the average velocity of the car for each time interval: (a) t = 0 to t = 2.00 s; (b) t = 0 to t = 4.00 s; (c) t = 2.00 s to t = 4.00 s. 1.50 m/s? and ß %3Darrow_forward1. Which of the following velocity-time graphs best describes the motion of an object (with the following descriptions (Tipler & Mosca, 2008) (b) (a) (c) (d) Time, s Description Corresponding v-t graph (a) With constant positive acceleration (b) With positive acceleration that is decreasing with time. (c) With positive acceleration that is increasing with time (d) With no acceleration Velocity, m/sarrow_forwarde-Services Academic Departments ETC CIMS Portal Reports Ibrahim Question 3 A bullet is fired from a gun. The bullet travels a distance L = 190 + 0.5 m during a time interval t= 0.5 ± 0.04 s. Not yet answered Marked out of 2.00 P Flag question The speed of the bullet (in m/s) can be calculated using the formula, Speed = L/t. Calculate the, a) Speed of the bullet (in m/s) = b) Fractional uncertainty in the speed = C) Absolute uncertainty (in m/s) in the speed =arrow_forward
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