Question

A car is moving on a straight road with uniform acceleration. The velocity of the car varies with time as follows: Time (s) : 0 2 4 6 8 10 Velocity (m/s) : 4 8 12 16 20 24 Draw the velocity -time graph by choosing a convenient scale. From this graph: (i) Calculate the total displacement travelled by the car. (ii) Acceleration of the car in the time interval 4s to 6s.

Answer 1

Answer:

(i) Acceleration of the car = slope of AB=

10−0

24−4

=

10

20

=2m/s

2

(ii) Distance travelled by the car in 10s= area of trapezium OABC

=

2

1

×(OA+BC)×OC

=

2

1

×(4+24)×10=140m

Explanation:

Step-by-step explanation

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Answer 2

Answer:

$answer$

$140cm$