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Physics
Physics
Problem
For any particle moving in one dimension for a finite time interval, which relation between its average speed
v
avg
v_{\text{avg}}
v
avg
and the magnitude of its average velocity
∣
v
ˉ
∣
|\bar v|
∣
v
ˉ
∣
is always true? a)
v
avg
=
∣
v
ˉ
∣
v_{\text{avg}} = |\bar v|
v
avg
=
∣
v
ˉ
∣
b)
v
avg
≥
∣
v
ˉ
∣
v_{\text{avg}} \ge |\bar v|
v
avg
≥
∣
v
ˉ
∣
c)
v
avg
≤
∣
v
ˉ
∣
v_{\text{avg}} \le |\bar v|
v
avg
≤
∣
v
ˉ
∣
d)
v
avg
<
∣
v
ˉ
∣
v_{\text{avg}} < |\bar v|
v
avg
<
∣
v
ˉ
∣
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