**Unformatted text preview: **A childgives herjoy cara shave sowhat if leaves Ryland withsaid indian
velocity of 3.20 m/s and rolls up a straight incline ramp. While on the ramp,
the car has an acceleration of 2.50 m/s down the ramp. torparadegames
the shove will the car take to reach its max displacement along the ramp?
a) 2.05 s
b) 1 82 s
C) 1.28 s
d) 1.05 s
J. : 3. 70 mis
e) 1.44 5 5
x f zy, tu k + . at ?
a: - 2. smis?
:
1. 8. m - 3. 20 ( 6 ) 1 1 2 8 1- 2
1 0 = 128 3.201
2 1 25 1 2
1. 28 + 2 + 3.206 . 1.8
- 3.2+1 10, 21 -9
- 3 .2 1
1 24
4) A truck moving in a straight line speeds up from 18.0 m/s to a final speed of 26.5 m/s at a constant rate of
X
2.30 m/s?. What distance does it move while it is getting up to speed?
a) 82.2 m
b) 10.5 m
c) 37.6 m
d) 71.7 m
e) 56.1 m
t : of vi
76.5 - 18
5)A naughty student wants to drop a water balloon straight down on his principal's head from a second story
window as the principal walks by. The principal is walking at 1.85 m/s and the vertical distance between the
window and the principal's head is 2.45 m. What must the horizontal distance between the window and principal
be when the student releases the water balloon for the water balloon to hit the principal? Recall that the
acceleration due to gravity is 9.80 m/s.
a) 1.87 m
b) 2.22 m
c ) 1 .31 m
d) 0.980 m
e) 2.56 m
V. : 180 mils
X Xi
Savg
D
V avg
t
a ava
t
x/ = x,+vit+_ ath v,=v3+2a(x-xi)
.. 3 . 7 m s + ? ( -8 . 5 ) ( xr
imig...

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- Fall '18
- Quiz