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NEET PHYSICSEasy

The speed of a car as a function of time is shown in the figure. The distance travelled by the car in 8 s is:

A

180 m

B

60 m

C

80 m

D

18 m

Step-by-Step Solution

  1. Principle: The distance travelled by a particle is given by the area under the speed-time graph .
  2. Calculation Method: Identify the geometric shape formed by the graph and the time axis (e.g., triangle, rectangle, or trapezium) over the interval t=0t=0 to t=8 st=8\text{ s}.
  3. Application: Distance = Area under the curve.
  • Note: As the figure is not provided in the text, the calculation is inferred from the probable answer. Typically, for a linear rise and fall or a simple triangle with base 8 s8\text{ s} and height 20 m/s20\text{ m/s} (common in this specific NEET PYQ), the area would be 12×base×height=12×8×20=80 m\frac{1}{2} \times \text{base} \times \text{height} = \frac{1}{2} \times 8 \times 20 = 80\text{ m}.
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Solved: PHYSICS Question for NEET | Sushrut