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Tardigrade
Question
Physics
A person travelling in a straight line moves with a constant velocity v1 for certain distance 'x' and with a constant velocity v2 for next equal distance. The average velocity v is given by the relation
Q. A person travelling in a straight line moves with a constant velocity v1 for certain distance 'x' and with a constant velocity
v
2
for next equal distance. The average velocity v is given by the relation
8335
218
NEET
NEET 2019
Motion in a Straight Line
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A
v
1
=
v
1
1
+
v
2
1
18%
B
v
2
=
v
1
1
+
v
2
1
34%
C
2
v
=
2
v
1
+
v
2
36%
D
v
=
v
1
v
2
12%
Solution:
Average velocity
=
Total time
Total distance
=
V
1
X
+
V
2
X
X
+
X
⇒
v
=
v
1
1
+
v
2
1
2
⇒
v
2
=
v
1
1
+
v
2
1