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प्रश्न
How can you find the following?
Velocity from a displacement – time graph.
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उत्तर
Velocity from a displacement – time graph: Displacement time graph for uniform motion in a straight line (OP) inclined to the time axis. Take any two points A and B on this graph OP. From A and B, draw perpendiculars on the time axis as well as the displacement axis.
So, by knowing the slope of displacement – time graph. We can find the velocity of the body.
Such that,
OA1 = t1, OB1 = t2, OA2 = x1 and OB2 = x2
Slope of displacement – time graph = `"BC"/"AC"`
= `("x"_2-"x"_1)/("t"_2-"t"_1)=(Δ"x")/(Δ"t")` = Velocity of the body
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संबंधित प्रश्न
Fill in the following blank with suitable word :
Displacement is a…………………… quantity whereas distance is a………………………….
Figure given below shows a velocity-time graph for a car starting from rest. The graph has three parts AB, BC and CD.
State how is the distance travelled in any part determined from this graph .
Can you suggest the kind of motion of a body from the following distance – time graph?
Show the difference between distance and displacement with the help of a diagram.
Under what condition is the displacement of a body equal to the distance traveled by it?
Ashok starts from his house and travels 3 km to reach his school. On finding the school gates closed, he returns to his house. What is?
The distance traveled by Ashok.
Distance travelled by a body in a given time ______.
The displacement is zero when the initial and final positions are ______.
The displacement covered by the second hand of radius V in a clock after one revolution is ______.
A quantity that has both magnitude and direction is ______.
