Recent content by Trandall

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    How to Calculate Net Impulse from Jumping Motion Analysis

    Homework Statement A person with a mass of 80.6 kg jumps from a squat position into the air. The velocity at the beginning of the jump is zero. Fast motion video analysis reveals that the velocity of the centre of mass at take-off was 5.3 ms-1. Foot contact time when the ground reaction...
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    Calculating Velocity of Ball at Impact with Ground

    Thanks heaps for your help =)
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    Calculating Velocity of Ball at Impact with Ground

    Im sorry, I am still stuck, could you write it out in the formulae, I am clueless when it comes to physics.
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    Calculating Velocity of Ball at Impact with Ground

    Homework Statement A ball is thrown at a velocity of 10 m/s, at an angle of 30° from horizontal and released 2 m above the ground. What will the magnitude of ball’s resultant velocity be at the moment of impact with the ground? Homework Equations Vf2 = vi2 + 2as The Attempt at a...
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    Solve Physics: 80 kg Person Applies 2000 N Force to Ground

    Homework Statement A person with a mass of 80 kg applies a vertical force to the ground of magnitude 2000 N, and has a braking force of 1000 N. What is the resultant acceleration of the person (magnitude only)? Please help, never done physics before. Thanks Homework Equations...