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    • Thread Starter

    Hey guys,

    I was just wondering this: What are all the AS Physics experiments do we have to remember for the Unit 1 paper?

    Could someone list them, and then give a detailed answer for each one?

    I need the main points in the reply that will score me each point in the examination question. These questions usually come as 5/6 mark questions.

    +Reps might be given out :yep:

    Thank you.

    ummm where can i download physics notes in pdf/.doc format?

    Hi guys!

    Could you help me with this question? I need the explanation.

    A train consists of a powered engine pulling two unpowered carriages.

    The engine has a mass of 20000kg, and each carriage has a mass of 5000kg. When the engine
    accelerates from rest it develops a thrust (driving force) of 15000N.
    Ignoring resistive forces, what is the tension (pulling force) T in the coupling between carriage 1 and
    carriage 2?

    A 2500N
    B 3750N
    C 5000N
    D 7500N
    E 15000N
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