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Please solve the all parts on the question in this attachment below .....please.....

4. (a) The train is travelling at a constant speed along a level track. Figure
shows the four forces W, X, Y and Z acting on the train.
(i) Name force Z.
(ii) The force arrows on Figure do not show the sizes of the forces. State
whether or not the driver
has made force W equal in size to force Y. Explain your answer.
(b) The below graph shows a speed-time graph of the train as it travels
between two stations.
300 400
(i) Force W, in Figure is 200000N when the engine is pulling the train at 25m/s.
(ii) Describe the motion of the train after 500s until it stops.
(ii) Use the graph calculate the distance, in km, travelled by the train in the
first 200s of its journey. Show your working.
Distance =
(iv) After 500s on this journey, the train travels a further 2.8km until it stops at
the next station. Calculate the total distance in kilometers between the two
stations. Show your working.
Total distance= .... ...

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Subject: Physics, Science

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