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Physics

Maria throws a ball straight up with an initial velocity of 10 m/s.

What is its velocity at the highest point?
What is its velocity when it returned to the elevation from where it is thrown ?
What is its acceleration at the highest point?
What is its acceleration just before it hits the ground?
After 1 sec what is the acceleration of the ball?

I need it asap. Super thankyouuuu. :)

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Joyce

  1. clearly, v=0 at highest point (ball stops and starts to fall)
    arrival speed = departure speed
    a = -9.81 always (gravity)

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    Steve

  2. what is its velocity when it returned to the elevation from where it was thrown?

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    christine

  4. cannot be determined
    0 m/s
    0 m/s2
    -10 m/s

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    Jhaybee

  5. Velocity at the highest point- 0m/s
    Velocity when it returned to the elevation from where it was thrown-0m/s
    Acceleration at the highest point-0m/s^2
    Acceleration just before it hits the ground= 9.8m/s^2(acceleration on gravity)
    Acceleration of the ball after 1 second = -9.8m/s^2

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    Krizele

  6. Thankyoy

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    Anonymous

  8. thanks

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    Anonymous

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