The v-t graph of a linear motion is shown in adjoining figure. The distance from origin after 8 seconds is
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Answer:
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11th
Physics
Motion in a Straight Line
Speed and Velocity
The velocity - time graph o...
PHYSICS
The velocity-time graph of a linear motion is shown in figure . The displacement & distance from the origin after 8 sec, is:-
MEDIUM
ANSWER
Distance is the area under the curve of v−t graph
Then,
Distance travelled =A
1
+A
2
+A
3
+A
4
+A
5
+A
6
=(
2
1
)(1)4+2(4)+
2
1
(1)(4)+
2
1
(
2
1
)(2)+(2)(3)
=(
2
1
)(
2
1
)(2)=19 m
Displacement fill t=8 s=A
1
+A
2
+A
3
−A
4
−A
5
−A
6
=
2
1
(1)(4)+2(4)+
2
1
(1)(4)−(
2
1
)(
2
1
)2
−(2)(3)(
2
1
)(
2
1
)(2)=12−7=5 m
Option −A is correct
Answered By
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