Question

The velocity-time graph of a body (car) is shown in the given figure. Answer the
following questions.
i) What is the initial speed of the car?
a. 10km/h b) 20 km/h c) 5 km/h d) 15km/h
ii) What is the maximum speed attained by the car?
a. 40km/h b) 35 km/h c) 45 km/h d) 30km/h
iii) Which part of the graph shows zero acceleration?
a. AB b) BC c) CD d) EF
iv) Which part of the graph shows varying retardation (deceleration)?
b. AB b) BC c) CD d) EF
v) Which formula should be used for finding the distance travelled by the car in the first 8 hours?
a. Area of trapezium +area of rectangle
b. Area of trapezium
c. Area of rectangle
d. None of these

Answer 1

Answer:

1. ( a ) 10 km/hr is the initial speed of car.

2. ( b ) 35 km/hr is the max. speed of car.

3. ( b) BC shows zero acceleration

4. ( c ) CD shows varying deceleration

5. ( c ) Area of rect.

hope it helps

Answer 2

Answer:

you just check it

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