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  1. 2

    formulas

    What are the 14 formulas in the space module of HSC physics?
  2. 2

    Creative writing for discovery

    For my creative writing could I rewrite a famous story e.g. the wizard of oz however tell it in the perspective of another character e.g. the cowardly lion? and alter the story to include him discovering his courage?
  3. 2

    DC motor questions

    Thanks. I've got that the force exerted on the coil will increase that can be seen in the equation F=BILsin which will result in an increase in speed of rotation. But aren't torque and speed of rotation inversely proportional?
  4. 2

    DC motor questions

    what happens to the coil if you increase the current in a dc motor?
  5. 2

    finding Ux and Uy

    t is the time of flight
  6. 2

    finding Ux and Uy

    Nah it's from the top of a 150m cliff
  7. 2

    finding Ux and Uy

    Thank you, If I than have Ux = 14.29ms-1 Uy = 9.66ms-1 ∆y = 150m a = -9.8ms-2 What is the value for ∆x and t?
  8. 2

    finding Ux and Uy

    If I'm given ∆x = 300m ∆y = 150m t = 21 seconds a = -1.6ms-2 What are my values for Ux and Uy?
  9. 2

    Change in acceleration due to gravity

    In a projectile motion question we're given a diagram with time, Ux, Uy, and a. One question asks to resketch the diagram if the acceleration due to gravity is increased. I was wondering does this change the time in flight?
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