Question

A car is moving on a straight road with uniform acceleration.the following table gives the speed of the car at various instant of Time:0-5,10-10,20-15,30-20,40-25,50-30.draw the shapeof the speed time graph representing the above sets of obsevations(i) find the acceleration of the car (ii) when will you say that a body is in uniform acceleration 50 points

Answer 1

Answer:

Graph of the table : Draw X - axis and Y - axis on the  graph with appropriate scale. 

Let 1 cm = 10 s on X-axis. 

Let 1 cm = 5 m on Y-axis. 

(i) Acceleration means slope of graph AB 

BC / AC = 30 - 5 / 50 - 0 = 25 / 30 = 0.5 m / s^2

Hence, acceleration of the body ℅ 0.5 m/sec^2

(ii) When a body is changing its velocity at a constant rate, then the body is said to be moving with uniform acceleration.

NOTE : THE GRAPH IS GIVEN IN THE ATTACHMENT BELOW.

Answer 2

Explanation:

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