The Magic Chart Honors Physics Worksheet With Answers - Northern Highlands Page 3
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6Problem Solving with Kinematics Equation 2
1. An object accelerates from rest with a constant acceleration of 2 m/s
. How far will it have moved after
2
Class Work
9s?
x = v
t + 1/2 a t
v
=0 m/s
= ½ (2 m/s
)(9 s)
=81 m
2
2
2
Given
Formula
Set up
Solution
i
a= 2 m/s
i
2
t=9 s
x=?
2. An object, moving with constant acceleration and zero initial velocity, travels 48 m in 5.2 s. What is the
magnitude of its acceleration?
x = v
t + 1/2 a t
v
=0 m/s
48 m = ½ a (5.2 s)
=3.55 m/s/s
2
Given
Formula
Set up
2
Solution
i
a=
i
t=5.2 s
x=48 m
3. An object, initially at rest, is subject to an acceleration of 34 m/s
. How long will it take for that object to
2
travel 3400 m?
x = v
t + 1/2 a t
v
=0 m/s
3400 m = ½ (34 m/s
)t
=14.1 s
2
2
Given
Formula
Set up
Solution
i
i
a= 34 m/s
2
t=?
x=3400 m
4. An object is shot upwards, from the ground, with an initial velocity of 120 m/s. How high will it be after
4.0s?
x = v
t + 1/2 a t
v
=120 m/s
=(120 m/s)
(4 s)+1/2(-9.8
=401.6 m
2
Given
Formula
Set up
2
Solution
i
t=4 s
i
m/s
)(4 s)
2
2
a= -9.8 m/s
2
x=?
5. An object, initially at rest, moves 250 m in 17 s. What is its acceleration?
x = v
t + 1/2 a t
v
=0 m/s
250 m = ½ a (17 s)
=1.73 m/s/s
2
2
Given
Formula
Set up
Solution
i
a=
i
t=17 s
x=250 m
3 |
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