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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Also C. At 2.5 ss , what is the particle's acceleration? Express your answer with the appropriate units.
A for territory and a montery sport are travelling in the same direction at 60kph on a straight highway, parallel to each other, and the territory is ahead of the montero by 248.90 kph. At a certain time , territory deccelerates uniformly at 2.50m/s2 . At what distance measured from the initial position of the montero will it overtake the ford territory
A high diver leaves the end of a 5.5 mm high diving board and strikes the water 1.2 ss later, 3.5 mm beyond the end of the board. Considering the diver as a particle, Part C Determine the maximum height reached. Express your answer to two significant figures and include the appropriate units. Part D Determine the magnitude of the velocity v⃗fwith which she enters the water. Express your answer to two significant figures and include the appropriate units. Part E Determine the angle of the velocity v⃗f with which she enters the water. Express your answer to two significant figures and include the appropriate units.
At highway speeds, a particular automobile is capable of an acceleration of about 1.8 m/s². Part A At this rate, how long does it take to accelerate from 55 km/h to 120 km/h? Express your answer to two significant figures and include the appropriate units.
c. Is it possible for a body moving on a circular track to have zero acceleration? Explain vividly if Yes or No
P1
a. What is the acceleration for the first 10 seconds? b. What is the acceleration for the from 10 seconds to 30 seconds duration? c. What is the change in displacement between t = 10 s and t = 30 s?
Q Next diagram shows relationship between aelocity and time of a body moving along shown path. Let me see physical touches in your answer, not just mathematical notes. O Find the average acceleration of the object during the time intervals (0-5) . (5-15) s (0-20) s i) Find the instantaneous acceleration at 2. 10s, 18s (ii) Find the displacement between (10-20) s. v (m/s) 8 6 4 2 I (s) 20 15 -2 -4 -6 -8 l
Part A The truck travels along a circular road that has a radius of 50 m at a speed of 4 m/s. For a short distance when t = 0, its speed is then increased by at = (0.4t) m/s², where t is in seconds.(Figure 1) How long does it take for the truck to reach 13.80 m ? vec Submit Request Answer Part B Determine the speed of the truck when has traveled 13.80 m . Express your answer with the appropriate units. HÀ Value m/s Submit Request Answer Part C Figure 1 of 1 Determine the magnitude of the truck's acceleration when has traveled 13.80 m . Express your answer with the appropriate units. 50 m HA Value a m/s?
A cat walks in a straight line, which we shall call the -axis, with the positive direction to the right. As an observant physicist, you make measurements of this cat's motion and construct a graph of the feline's velocity as a function of time (Figure 1). I. Calculate the area under the graph between t = 0 and t = 6.0 s. (Express your answer to two significant figures and include the appropriate units.) II. For the time interval t = 0 to t = 6.0 s, what is the magnitude of the average velocity of the cat? (Express your answer to two significant figures and include the appropriate units.) III. Use constant-acceleration equations to calculate the distance the cat travels in this time interval. (Express your answer to two significant figures and include the appropriate units.)
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A particle travels along a straight line with a velocity of v = (4t — 3t²) m/s, where t is in seconds. Part A Determine the position of the particle when t = 3.6 s. s=0 when t = 0. Express your answer to three significant figures and include the appropriate units. 8 = THPA Value Submit Provide Feedback Request Answer Units ?

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