+ II P Question 3 (1 point) In a competition, two bicycle riders start from rest and accelerate with a constant acceleration going uphill over a set distance. The first cyclist reaches the end 10.0 seconds behind the second cyclist who takes a total time 90.0 seconds to reach the end. What is the ratio of the acceleration of the first cyclist to that of the second? 0.81 6.0 0.40 0.73 0.45 01.1 Previous Page Next Page Page 3 of 14 Submit Quiz O of 14 questions saved 13 A stv MacBook Air F5 F6 F7 F8 F12 7. dele 6 %3D

+ II P Question 3 (1 point) In a competition, two bicycle riders start from rest and accelerate with a constant acceleration going uphill over a set distance. The first cyclist reaches the end 10.0 seconds behind the second cyclist who takes a total time 90.0 seconds to reach the end. What is the ratio of the acceleration of the first cyclist to that of the second? 0.81 6.0 0.40 0.73 0.45 01.1 Previous Page Next Page Page 3 of 14 Submit Quiz O of 14 questions saved 13 A stv MacBook Air F5 F6 F7 F8 F12 7. dele 6 %3D

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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A car and a train move together along straight, parallel paths with the same constant cruising speed vo. At t = 0 the car driver notices a red light ahead and slows down with constant acceleration -a0. Just as the car comes to a full stop, the light immediately turns green, and the car then accelerates back to its original speed v0 with constant acceleration a0. During the same time interval, the train continues to travel at the constant speed v0. How much time does it take for the car to come to a full stop? How much time does it take for the car to accelerate from the full stop to its original cruising speed?
Current Attempt in Progress A race driver has made a pit stop to refuel. After refueling, he starts from rest and leaves the pit area with an acceleration whose magnitude is 5.6 m/s²; after 4.5 s he enters the main speedway. At the same instant, another car on the speedway and traveling at a constant velocity of 72.8 m/s overtakes and passes the entering car. The entering car maintains its acceleration. How much time is required for the entering car to catch up with the other car? t = i
B7
An object moves so that its position depends on time as x=−10m+(5m/s)t+(2.5m/s2)t2. Which statement below is not true? a) The object never stops moving. b) The object first moves in the negative direction and then in the positive direction c) The object is accelerating d) The speed of the object is always increasing Which answer is correct and why?
D Question 10 An Australian emu is running due north in a straight line at a speed of 14.4 m/s and slows down to a speed of 10.9 m/s in 4.2 s. What is the bird's acceleration? (include the sign) D Question 11 In getting ready to slam-dunk the ball, a basketball player starts from rest and sprints to a speed of 6.4 m/s in 1.9 s. Assuming that the player accelerates uniformly, determine the distance he runs.
Please help! Required information: A cheetah can accelerate from rest to 52.9 m/s in 2.00 s. Assume that the acceleration is constant over the time interval. a) What is the magnitude of the acceleration of the cheetah? b) What is the distance traveled by the cheetah in these 2.00 s? c) A runner can accelerate from rest to 7.30 m/s in the same time, 2.00 s. What is the magnitude of the acceleration of the runner? d) A runner can accelerate from rest to 7.30 m/s in the same time, 2.00 s. By what factor is the cheetah’s average acceleration magnitude greater than that of the runner?
3. One of the fastest right handed pitchers in 2022 was Dylan Lesko. Each ball he pitched ranges from a speed of 50m/s. If Dylan was in contact with the ball over a distance of 3m and produced constant acceleration, a) What acceleration did he give the ball? b) How much time did it take him to pitch it?
A locomotive is accelerating at 1.66 m/s². It passes through a 18.3-m-wide crossing in a time of 2.07 s. After the locomotive leaves the crossing, how much time is required until its speed reaches 25.3 m/s? Number i Units
please help with question number one
0179% I 10:29 docs.google.com/forms 92 the location of Q. Objects A and B both start from rest. They both accelerate at the same rate. However, object A accelerates for twice the time as object B. What is the distance traveled by object A comparedto that of object B? * four times as far twice as far the same distance three times as far An object starts from rest and undergoes uniform acceleration. During the first second it travels 2 m. How far will it travel during the third second?
Question 4 E The velocity of a car in m s-l can be modeled as v(t) = 0.512 + 3t for 0
Problem 11 A motorist travels at a constant speed of 39.0 m/s through a school zone; exceeding the posted speed limit. A policeman stopped at the side of the road gives chase. 7.0 s after the speeding car passes, the police cruiser begins to accelerate at a constant rate of 3.5 m/s?. How much time elapses between the moment the speeder passes the policeman and the policeman catches the speeder?