Tom was running with his uncle. They both started from rest and ran with a constant positive acceleration the entire time. Both Tom and his uncle had the same acceleration. Tom's uncle stopped at time t while Tom was still running. Tom ran until time 4t and then he stopped. Compared with his uncle, Tom ran a distance: eight times as far four times as far sixteen times as far Twice as far 1.4 times as far

Tom was running with his uncle. They both started from rest and ran with a constant positive acceleration the entire time. Both Tom and his uncle had the same acceleration. Tom's uncle stopped at time t while Tom was still running. Tom ran until time 4t and then he stopped. Compared with his uncle, Tom ran a distance: eight times as far four times as far sixteen times as far Twice as far 1.4 times as far

Name: Tom was running with his uncle. They both started from rest and ran w
Uploaded: 2024-03-05T11:56:34.000Z
Channel: Bartleby
Description: Tom was running with his uncle. They both started from rest and ran with a constant positiveacceleration the entire time. Both Tom and his uncle had the same acceleration. Tom's unclestopped at time t while Tom was still running. Tom ran until time

Physics for Scientists and Engineers, Technology Update (No access codes included)

9th Edition

ISBN:9781305116399

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter2: Motion In One Dimension

Section: Chapter Questions

Problem 2.9OQ: A skateboarder starts from rest and moves down a hill with constant acceleration in a straight line,...

See similar textbooks

Similar questions

In outer space, a rocket ship starts from rest and moves in a straight line with a constant acceleration of 100 m/s2 for 5 seconds. It then contniues with zero acceleration for 5 more seconds. How far does it travel in these 10 seconds?
In the Daytona 500 auto race, a Ford Thunderbird and a Mercedes Benz are moving side by side down a straightaway at 67.5 m/s. The driver of the Thunderbird realizes that she must make a pit stop, and she smoothly slows to a stop over a distance of 250 m. She spends 5.00 s in the pit and then accelerates out, reaching her previous speed of 67.5 m/s after a distance of 420 m. At this point how far has the Thunderbird fallen behind the Mercedes Benz, which has continued at a constant speed?
A woman , who is in such a hurry to get away from her irrate husband , is speeding down a straight road in her Mercedes . Starting from rest and traveling with a constant acceleration , she passes her mom's house traveling at 90mph . A mile later , her car is going 130mph . What is her acceleration ? How long did it take her to travel from rest to her mom's house ? How long did it take her to go the final mile ?
Starting from rest, a car experiences an acceleration, a, causing it to start moving. It reaches itsfinal velocity, v, after accelerating for a time At.A second car that also starts from rest experiences the same acceleration for twice as much timeas the first. What is the second car's final velocity? a) vb) 1/2vc) 2vd) 1/4ve) 4v What is 90 km/hr expressed in m/s?a 25 m/sb) 324 m/sc) 1.5 m/sd) 15 m/s
Chameleons catch insects with their tongues, which they can rapidly extend to great lengths. In a typical strike, the chameleon's tongue accelerates at a remarkable 210 m/s2 m/s2 for 20 ms, then travels at constant speed for another 30 ms. During this total time of 50 ms, 1/20 of a second, how far does the tongue reach?
A car moves at a constant 21 m/s until the driver sees an obstruction in the road 170 m away. • What minimum acceleration does the car need in order to come to a stop before crashing?• How much time do they spend accelerating?• Include sketches and graphs as you find useful, and all of your work.
A Porsche challenges a Honda to a race. Because the Porsche’s acceleration of 3.5 m/s2 is larger than the Honda’s 3.0 m/s2, the Honda gets a 100-m head start — it begins 300 m from the finish line, while the Porsche begins 400 m from the finish line. Assume both cars maintain these accelerations throughout the entire race. Who wins, and by how much time?
A person travels by car from one city to another with different constant speeds between pairs of cities. She drives for 30.0 min at 80.0 km/h, 12.0 min at 100 km/h, and 45.0 min at 40.0 km/h and spends 15.0 min eating lunch and buying gas. (a) Determine the average speed for the trip. (b) Determine the distance between the initial and final cities along the route.
Hannah tests her new sports car by racing with Sam, an experienced racer. Both start from rest, but Hannah leaves the starting line 1.00 s after Sam does. Sam moves with a constant acceleration of 3.50 m/s2, while Hannah maintains an acceleration of 4.90 m/s2. Find (a) the time at which Hannah overtakes Sam, (b) the distance she travels before she catches him, and (c) the speeds of both cars at the instant Hannah overtakes Sam.
A skateboarder starts from rest and moves down a hill with constant acceleration in a straight line, traveling for 6 s. In a second trial, he starts from rest and moves along the same straight line with the same acceleration for only 2 s. How does his displacement from his starting point in this second trial compare with that from the first trial? (a) one-third as large (b) three times larger (c) one-ninth as large (d) nine times larger (e) 1/V3 times as large
An insect called the froghopper (Philaenus spumarius) has been called the best juniper in the animal kingdom. This insect can accelerate at over 4.0 103 m/s2 during a displacement of 2.0 mm as it straightens its specially equipped jumping legs. (a) Assuming uniform acceleration, what is the insect's speed after it has accelerated through this short distance? (b) How long does it take to reach that speed? (c.) How high could the insect jump if air resistance could be ignored? Note that, the actual height obtained is about 0.70 m, so air resistance is important here.
Dragsters can actually reach a top speed of 145 m/s in only 4.45 s—considerably less time than given in Example 2.10 and Example 2.11. (a) Calculate the average acceleration for such a dragster. (b) Find the final velocity of this dragster starting from rest and accelerating at the rate found in (a) for 402 m (a quarter mile) without using any information on time. (c) Why is the final velocity greater than that used to find the average acceleration? Hint: Consider whether the assumption of constant acceleration is valid for a dragster. If not, discuss whether the acceleration would be greater at the beginning or end of the run and what effect that would have on the final velocity.