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Physics
Physics
Problem
According to the impulse–momentum relation, the impulse
J
J
J
imparted to a body of mass
m
m
m
whose velocity changes from
v
i
v_i
v
i
to
v
f
v_f
v
f
is a)
m
(
v
f
+
v
i
)
m\left(v_f+v_i\right)
m
(
v
f
+
v
i
)
b)
m
2
(
v
f
−
v
i
)
\dfrac{m}{2}\left(v_f-v_i\right)
2
m
(
v
f
−
v
i
)
c)
m
(
v
f
−
v
i
)
m\left(v_f-v_i\right)
m
(
v
f
−
v
i
)
d)
m
∣
v
f
−
v
i
∣
m\left|v_f-v_i\right|
m
∣
v
f
−
v
i
∣
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