Review fo(Test# 1
Definitions (Fill in the blanks with the proper term)
the
an
Final
(ÿx) =
changeinpoÿionofobject,
position--initiatposition.
(d) = all the movements added together.
(v) = displacement / time,
= distance/time.
(a) = velocity / timÿ /0 I} ÿ- ÿ'w_ "1ÿ ÿ.
(Fill in the blanks with the properÿerm)
= mete.rs, m.
= meters per secood.,.ÿ/s.
rA c:c e [ e,,wjqjv, '
= meters per second squared, m/s2ÿ)
Displacement vs. Distaÿace
You are doing a line dance during which you must take 5 steps forward, 8 steps backwards, 7 steps
forward, and finally 1 backward step. (each step is equal to one meter)
A. What distance have you traveled during the dance?
B, What is your ÿlisplacement?
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Speed vs. Velocity (Show all problem solving steps. Be sure to include the proper unÿ.ts)
If it takesyou 4 seconds to perform the.Jine dance
A. What is your speed? ./
21
'4
-
B. What is your velocity?
If.a car travels north at 43 km/hr, how long will it take to go 150 m?
!2,
*,nematic Gr0phs
Position (m) vs. Time (s)
10
...... I .... ] ......
......
8
6
E" 4
82
.
0
---I-
-2
-4
-6
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l
Time (s)
1, Find the position of the object when t = 4 s.
2, Find the position of the object when t = 7s.
O Find the displacement of the object' between t = 4 s and t = 12 s,
4, Find the distance traveled bythe object between t = 4 ÿ4 and t = 12 s,
(ÿ) Find the instantaneous velocity of the object when t = 3s,
6, Find the displacement of the object during the first 8 seconds.
7. Find the instantaneous velocity of the object during the fifth second.
8. Find the displacement of the object during the first 12 seconds,
9. Find the displacement of the object between t = 12 s and t = 13s,
.
,ÿ
10. Find the instantaneous velocity ofthe object when t = 9s,
11, Find the total distance traveled during the first 14 s.
n. "ÿ 2ÿ_____ÿ
12, What was the displacement of the object during the first 14 sec,
What was the average velocity during the first 5 seconds,
er
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ÿ
o
14,
15, Maximum velocity occurred during wh cht me interval?- ÿ'ÿ ÿV'ÿ ÿ ÿ ÿLÿ,
16. Find the average v61ocity between t =,4 s ÿnd t = 6 s.
17. Find the average speed during the fir&i 12 seconds.
T-&ÿ --
!8. Find the average velocity during the first 12 seconds. .ÿ ÿ.ÿ
zÿ.ÿ0/2ÿ/ÿ
Velocity (m/s) vs. Time (s)
10
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8
ÿ uÿ ÿ:ÿ- i!-Jÿ ÿ
'ÿ
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/
,
ÿ7---"-7
I
6
ÿ--ÿ
2
o
-2
'L_,i
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15 17 :)8
-- I---[----
-4
I
-6
I
I
Time (s)
19, Find the instantaneous velocity of the object when the t= ls,
Find the distance of the object from 7s- 14s,
Find the displacement of the object from 7s- 14s.
2ÿ.
;Z, ÿ
Find the speed of the object from 7s-14s.
22 i. <ÿ/ÿ
Find the velocity of the object from 7s-14s.
24. Find the instantaneous velocity when t = 9s.
2s "2-ÿfÿ
25, Find the instantaneous velocity when t = 11s.
'
2ÿ
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ha
s
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26.
n?
27,
2g, Maximum velocity occurred during which tittle interval?
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¢ i)(-ÿ) "-- - =
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.ÿ [S:ÿ c:z) :-- o<
Cz)¢_ z) ÿ- .J
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