Question

The graph given alongside shows how the speed of a car changes with time.The graph given alongside shows how the speed of a car changes with time..​

Answer 1

Answer:

(i)Initial speed of the car is 10

km/h

(i) Maximum speed attained by the

car is 35km/h

ii) BC represents zero

acceleration.

iv) CD represents varying

retardation.

(V) Distance travelled is given by the

area enclosed within the curve. So,

Distance travelled Area or

trapezium + Area of rectangle

So distance travelled,

= (1/2)(8+5)(25) +(8)(10)

242.5 km