Question

Asked Sep 22, 2019

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Can you help me step by step?

Step 1

Note: Since we only answer up to 3 sub-parts, we’ll answer the first 3.

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For a body moving along a coordinate line it is required to determine the following from the graph given below:

Part a) The time when the body reverse direction.

Part b) The time when the body is moving with a constant speed.

Part c) Speed-time graph for the body on the time interval 0 to 10 seconds.

Step 2

Part a)

When a body moving along a coordinate axis changes its direction the sign of the velocity changes.

Observe form the velocity-time graph given below that the velocity of the body changes from positive to negative at the point *x = 2* and from negative to positive at the point *x = 7.*

Step 3

Part b)

When the body is moving with a constant speed the velocity-time graph of the body is a straight line parallel to the *x*-axis.

Observe that...

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