Neco 2017 Physics Question 2

Practice essay / theory question 2 from the 2017 Neco Physics examination. This question covers relative motion, uniform acceleration, relative speed .

Neco 2017 Physics Essay / Theory

Topics: relative motion uniform acceleration relative speed

Question 2 NECO • 2017 • PHYSICS • essay

The motion diagram (see the diagram) shows the positions of two cars, Car A and Car B, on a straight, level road at successive 2‑second intervals.

Question Parts

( a )

State the speed of Car A and the speed of Car B as indicated by the diagram.

( b )

Using the speeds found in part (a), determine the relative speed of Car A with respect to Car B.

( c )

Assume Car A started from rest and accelerated uniformly to reach the constant speed shown in the diagram at t = 6 s. Calculate: (i) its acceleration, (ii) the distance it travelled in the first 6 s.

( d )

At t = 0 s Car A is 50 m behind Car B (as shown in the diagram). (i) Calculate the time taken for Car A to overtake Car B. (ii) If Car B increases its speed by 20 % while Car A’s speed remains unchanged, discuss qualitatively and quantitatively how the overtaking time is affected.

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About This Question

This is Neco 2017 Physics Question 2. It is one of the essay questions from the 2017 Neco Physics examination.

The question covers relative motion, uniform acceleration, relative speed .

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