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Physics
Physics
Problem
Which of the following expressions gives the magnitude of the impulse delivered to an object of mass
m
m
m
that undergoes a constant acceleration
a
a
a
for a time interval
Δ
t
\Delta t
Δ
t
? a)
1
2
m
a
Δ
t
\dfrac{1}{2}ma\,\Delta t
2
1
ma
Δ
t
b)
m
a
Δ
t
ma\,\Delta t
ma
Δ
t
c)
2
m
a
Δ
t
2ma\,\Delta t
2
ma
Δ
t
d)
3
2
m
a
Δ
t
\dfrac{3}{2}ma\,\Delta t
2
3
ma
Δ
t
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