Entrance and exit ramps for freeways in (Figure 1) areoften circular stretches of road. As you go around one at aconstant speed, you will experience a constantacceleration. Suppose you drive through an entranceramp at a modest speed and your acceleration is3.5 m/s?.Part AWhat will be the acceleration if you double your speed?Express your answer with the appropriate units.

Answer Given Acceleration a = 3.5 m/s2 It is a case of circular motion The centripetal acceleration…

Answered: Entrance and exit ramps for freeways in…

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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Dwight decides to race around the perimeter of the Scranton business parkin an effort to beat another employee’s best running time. Assuming heruns with an average velocity of 10 ft/s, and he completes 4 laps in 5minutes,a. What is the perimeter of the business park in feet?b. In meters?( 1 ft = 0.3048 m )
Entrance and exit ramps for freeways are often circular stretches of road. As you go around one at a constant speed, you will experience a constant acceleration. Suppose you drive through an entrance ramp at a modest speed and your acceleration is 3.0 m/s2. What will be the acceleration if you double your speed?
From a height of 70 ft above ground, an item is flung vertically upward. The object’sstarting velocity is 30 ft/s while experiencing a constant downward acceleration of 32.2 ft/ s 2 . Lookfor the following: a. The object’s velocity and location at any given time (t)b. The objects highest elevation and the moment it was reachedc. The time and velocity at which the object will strike the earth
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Caravan Analogy.Consider a highway that has tollbooths every 120 km. Suppose that cars travel at a rate of 120 km/hr (cars have instant acceleration to 120 km/hr and maintain that constant speed between tollbooths). If there is a convoy of 22 cars, and it takes each car an average of 24 seconds to clear the tollbooth, calculate the following. a. Suppose the caravan travels 360 km, beginning in front of one tollbooth, passing through a second and third tollbooth and finishing just after a fourth tollbooth. What is the end-to-end delay, in minutes, from the time the first car goes through tollbooth 1 until the last cargoes through tollbooth 4? b.The cast members of “The Fast and the Furious” show up. Instead of 22 cars, there arenow 18 cars. These 18 cars travel 220 km/hr instead of 120 km/hr. What is the new end-to-end delay in minutes? c. Consider the diagram below. The police are on to the cast of “The Fast and the Furious”. These 18 cars travel 280 km/hr on segments A and B (where…
The Grand Canyon is 6000 feet deep at the deepest part. A rock is dropped from this height. (The acceleration due to gravity is -32 feet/sec2.) a. Express the height of the rock as a function of the time (in seconds). b. How long will it take the rock to hit the canyon floor? c. With what velocity does the rock hit the canyon floor? With what acceleration?
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m/S Tara walks two miles north from her door to the park, then returns home to her door. What distance did she travel? miles come bak ter DELL OIl 5S e t h k d. b V alt ct alt
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