13. When a 1984 Alfa Romeo Spider sports car accelerates in the x-direction at the maximumpossible rate, its motion during the first 20. seconds is extremely well modeled by the simpleequation v, = (60 mof the car's velocity increases linearly with time. What is its acceleration after 3s, assuming that22/s')t, where t is time in seconds and v, is in m/s. In other words, the squarethe car starts from rest att= 0 s?

Answered: Image /qna-images/answer/1e2d2bff-3ae0-4ce6-bf35-0ab4e1629427.jpg

Answered: 13. When a 1984 Alfa Romeo Spider…

College Physics

10th Edition

ISBN:9781285737027

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter2: Motion In One Dimension

Section: Chapter Questions

Problem 64AP: To pass a physical education class at a university, a student must run 1.0 mi in 12 min. After...

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22. 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 answer
A car is traveling at 96 km/h when the driver sees an accident 75 m ahead and slams on the brakes. What minimum constant deceleration (in m/s2) is required to stop the car in time to avoid a multi-car pileup? (Round your answer to two decimal places.)
A person lakes a trip, driving with a constant speed of 89.5 km/h, except, for a 22.0-min rest stop. If the persons average speed is 77.8 km/h, (a) how much time is spent on the trip and (b) how far does the person travel?
Using approximate values, calculate the slope of the curve in Figure 2.62 to verify that the velocity at t=30.0 s is 0.238 m/s. Assume all values are known to 3 significant figures.
A 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.)
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 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?
A ball is thrown into the air by a baby alien on a planet in thesystem of Alpha Centauri with a velocity of 49 ft/s. Its heightin feet after t seconds is given by y = 49t −25t2.a.) Find the average velocity for the time period beginningwhen t0 = 1 second and lasting for the given time.t = .01 sec:t = .005 sec:t = .002 sec :t = .001 sec: b.) Estimate the instanteneous velocity when t = 1.
A daredevil jumps off a tall building. He falls freely for several secondsbefore releasing his parachute. His height (h) in meters, ? seconds afterjumping can be modeled by h = −4.9?2 + ? + 360 before he releases hisparachute and h = −4? + 142 after he released his parachute. How longafter jump did he release his parachute?
Jay Umpshot,one of the many stars of the local basketball team, steals the ball and runs the length of the court in 8.5 sec at a speed of 5.0 m/s. How long is the court?
In 1967, New Zealander Burt Munro set the world recordfor an Indian motorcycle, on the Bonneville Salt Flats in Utah,with a maximum speed of 183.58 mi/h. The one-way coursewas 5.00 mi long. Acceleration rates are often described bythe time it takes to reach 60.0 mi/h from rest. If this time was4.00 s, and Burt accelerated at this rate until he reached hismaximum speed, how long did it take Burt to complete thecourse?
A train moves at a velocity of v (t) = 3t2 - 3200t km/sec where t in seconds is the time passed since the train started moving wt 3:00 pm. What is the acceleration of the train at exactly 3:27 pm?
An unidentified flying object (UFO) is observed to travel a total distance of 19000 m, starting and ending at rest, over a duration of 4.23 s. Assuming the UFO accelerated at a constant rate to the midpoint of its journey and then decelerated at a constant rate the rest of the way, what was the magnitude of its acceleration? Express your answer in g s , where 1 g = 9.81 m/s^2.

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