Question

please answer the given question! ​

Answer 1

Answer:

1(a)(i) 0.9 seconds

1(a)(ii) 23.25 meters

1(a)(iii) -4.84 m/s^2

Explanation:

1(a)(i) answer can be seen in the graph

1(a)(ii) area under the graph is the distance. Stopping distance is a triangle.

Area of Triangle = 1/2 x b x h

Area of Triangle = 1/2 x 3.1 x 15

Area of Triangle = 23.25 m

1(a)(iii) deceleration is the negative acceleration so it can be calculated by the formula of acceleration.

Deceleration = (Final velocity - Initial velocity)/time

Deceleration = (0 - 15)/3.1

Deceleration = -15/3.1

Deceleration = -4.84 m/s^2

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Answer 2

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