Unformatted text preview: You are given the following graph of displacement versus time. Rank the speeds v1 through v3. 1. v 3 > v 2 > v 1
x 2. v 1 v 3 > v 2
x>
3.
4.
5.
6. x v 2 > v1 > v 3 x
(2) 0 t
(1) (3) x > v > v
v3
1
2
x v 2 > v 3 > v1
x v1 > v 2 > v 3 60
0% 0% 0% 0% 0% 0% Driving a car at in the positive x direction at 60 MPH, Mary tests her brakes by coming to a complete stop in 4 seconds. Then she resumes speed, taking 8 seconds to return to 60 MPH. A motion diagram is created by illuminating her car with a strobe at 2 second intervals. Which of the following best represents the correct diagram? Mary’s car is represented by a dot. A
B
C
D 0 of 250
0% 0% 40
0% 0% Driving a car in the positive x direction at 60 MPH, Mary tests her brakes by coming to a complete stop at a constant rate of deceleration in 4 seconds. Then she resumes speed, taking 8 seconds to return to 60 MPH. Which of the following graphs best represents her velocity? v v v time time v time time v v 40 0 of 250 time time 0% 0% 0% 0% 0% 0% Driving a car in the positive x direction at 60 MPH, Mary tests her brakes by coming to a complete stop in 4 seconds. Then she resumes speed, taking 8 seconds to return to 60 MPH. Which of the following best represents her acceleration?
a a a time
time
time
A B C D a time 40 0 of 250 0% 0% 0% 0% a Which of the graphs of velocity versus time could correspond to the graph of acceleration versus time shown on the right? time time time 0 of
100 D E
v 40
0% 0%
E 0% D time 0% C time 0%
B v time A v A B C
v
v Which of the graphs of distance versus time corresponds to the graph of acceleration versus time shown on the right? a time time time D E
s 0 of
100 40
0% 0%
E 0% D time 0% C time 0%
B s time A s A B C
s
s Which of the graphs of acceleration versus time corresponds to the graph of distance versus time shown on the right? s time
a A B C a
a time a time time D E
a
0 of
100 time 40 time
0% 0% 0% 0% 0% A student is riding an elevator in the Acme Building, and the elevator is moving a constant upward speed. Which plot shows the tension T in the elevator cable as a function of time?
T T t (b) t (c) (d) 0 of 30 0%
) 0% (d 0% ) 0% (c 40 ) (a...
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 Fall '10
 RALF
 Harshad number, Automobile

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