In a test run, a certain car accelerates uniformly from zero to 16.2 m/s in 3.00 s (a) What is the magnitude of the car's acceleration? m/s2 (b) How long does it take the car to change its speed from 8.10 m/s to 16.2 m/s? S (c) Will doubling the time always double the change in speed? Yes No Why? O O

In a test run, a certain car accelerates uniformly from zero to 16.2 m/s in 3.00 s (a) What is the magnitude of the car's acceleration? m/s2 (b) How long does it take the car to change its speed from 8.10 m/s to 16.2 m/s? S (c) Will doubling the time always double the change in speed? Yes No Why? O O

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)...

See similar textbooks

Similar questions

The runway of NAIA airport has a total length of 530 m. A plane 2500 m away from the beginning of the runway is about to land with an approch velocity of 250 m/s. Assuming that you need a minimum deceleration of 9m/sec² to land the plane. Note that there is no need to take account the height of the plane. a.) what will be the distance covered by the plane? b.) If the pilot did not attempt to decrease the velocity of the plane until it reaches the ground, what will be the distance covered by the plane? c.) Determine the intensity of the acceleration to bring the plane into a halt without overshooting assuming that the plane settled into a velocity of approach of 210 m/s
In a test run, a certain car accelerates uniformly from zero to 20.2 m/s in 2.75 s. (a) What is the magnitude of the car's acceleration? m/s² (b) How long does it take the car to change its speed from 10.1 m/s to 20.2 m/s? S (c) Will doubling the time always double the change in speed? ○ Yes ○ No Why?
A trooper is moving due south along the freeway at a speed of 35 m/s. At time t = 0,a red car passes the trooper. The red car moves with constant velocity of 48 m/s southward. At the instant the trooper's car is passed, the trooper begins to speed up at a constant rate of 2.9 m/s2. What is the maximum distance ahead of the trooper that is reached by the red car? ?m
1. A train leaves the station on a 50 km commute. The train must make a 60-second stopevery 1.0 km to pick up and drop off passengers. The train accelerates at 2.0 m/s2, then cruises at90 km/h, and then decelerates at 5.0 m/s2 between stops.(a.} How many stops does the train make?(b.} How long does it take for the train to get from one stop to the next?(c.} What is the total time for the entire commute?
A snowboarder on a slope starts from rest and reaches a speed of 1.5 m/s after 9.9 s. (a) What is the magnitude of the snowboarder's average acceleration? m/s2 (b) How far does the snowboarder travel in this time? m
4
Physics Question #37 is the attached image
The position of a particle moving along the x axis is given by x= (21 + 22t - 5.0t?)m , where tis in s. What is the average velocity during the time interval t= 1.0 s to t=3.0 s? O a. 14 m/s О b. 10 m/s О с. 2 m/s O d. 18 m/s O e. 6 m/s
a) how long does it take for you to reach the open door and jump in? b) what is the maximum time you can wait before starting to run and still catch the bus
B2
ed d out of A truck traveling at 30.0 m/s applies the brakes and decelerates uniformly at a rate of 1,5 m/s?, a) How far does the truck travel in 4.0 s? b) What is its velocity at the end of this time interval? c) How long does it take for the truck to come to a stop? d) What distance does the truck travel before coming to a stop? g question (1) How far does the car travel in 4.0 s? (Please type/enter your answer here) (ii) What is its velocity at the end of this time interval? m/s (Please type/enter your answer here) (ii) How long does it take for the car to come to a stop? (Please type/enter your answer here) (iv) What distance does the car travel before coming to a stop? (Please type/enter your answer here)
A bus moves along an x-axis a distance of 800 m, starting at rest (at x = 0) and ending at rest (at x = 800 m). Through the first 2 of that distance, its acceleration is +2.15 m/s?. Through the rest of the distance, its acceleration is -0.92 m/s?. Calculate a) time taken to cover the first half of the distance? b) the bus's maximum speed? c) total time to cover 800 m distance? Sketch velocity time graphs.