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Tardigrade
Question
Physics
A particle, moving with uniform speed v, changes direction by an angle θ in time t. Magnitude of its average acceleration during this time is
Q. A particle, moving with uniform speed v, changes direction by an angle
θ
in time t. Magnitude of its average acceleration during this time is
4703
209
Motion in a Straight Line
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A
zero
16%
B
t
2
v
sin
2
θ
63%
C
t
v
2
10%
D
V/2
11%
Solution:
a
a
v
=
∣
∣
Δ
t
Δ
ν
∣
∣
=
t
∣
V
t
−
V
t
∣
=
t
ν
2
+
ν
2
−
2
ν
.
ν
.
c
o
s
θ