Velocity vs Time graphs

Exercises (Part 2)

Consider a vehicle with the velocity-time graph on the left.

a) FInd the velocity at 7s

b) Find its acceleration during the first 5 seconds.

c) How far did the vehicle travel during the first 7 seconds.

d) When did the vehicle start its journey back?

Solution

The image on the left shows the velocity time graph of a rocket that is launched vertically skywards.

a) What is the peak altitude reached by the rocket?

b) What is the acceleration of the rocket during the 5 -7 second time period?

c) What is the altitude of the rocket 5 seconds into the flight?

d) At what time did the engines of the rocket cease stop producing thrust?

Solution

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