Evaluate Collision Design
Middle School Physical Science · Flashcards
MIDDLE SCHOOL PHYSICAL SCIENCE · FLASHCARDS
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QUESTION
Identify whether the constraint is met: limit is mass
≤
0.50
k
g
\leq 0.50\,kg
≤
0.50
k
g
and prototype mass is
0.47
k
g
0.47\,kg
0.47
k
g
.
QUESTION
What is a design criterion in a collision-related engineering problem?
QUESTION
Find
Δ
p
\Delta p
Δ
p
if a
1.5
k
g
1.5\,kg
1.5
k
g
object changes velocity from
+
4.0
m
/
s
+4.0\,m/s
+
4.0
m
/
s
to
0
m
/
s
0\,m/s
0
m
/
s
.
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ANSWER
Δ
p
=
−
6.0
k
g
⋅
m
/
s
\Delta p = -6.0\,kg\cdot m/s
Δ
p
=
−
6.0
k
g
⋅
m
/
s
. Change is
p
f
−
p
i
=
0
−
6.0
=
−
6.0
k
g
⋅
m
/
s
p_f - p_i = 0 - 6.0 = -6.0\,kg\cdot m/s
p
f
−
p
i
=
0
−
6.0
=
−
6.0
k
g
⋅
m
/
s
.
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