Vertical 1d motion problem
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Vertical 1D Motion Problem. BELLWORK!!. On the Moon. A Moon rock ON THE MOON is thrown upward with velocity of 7 m/s. After 7 s, it has a downward velocity of 4 m/s. What is the acceleration due to gravity on the Moon? How high above the starting point did the rock go before it began to fall?.

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Vertical 1D Motion Problem

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Vertical 1d motion problem

Vertical 1D Motion Problem

BELLWORK!!


On the moon

On the Moon

  • A Moon rock ON THE MOON is thrown upward with velocity of 7 m/s. After 7 s, it has a downward velocity of 4 m/s. What is the acceleration due to gravity on the Moon? How high above the starting point did the rock go before it began to fall?


On the moon1

On the Moon

  • A Moon rock is thrown upward with velocity of 7 m/s. After 7 s, it has a downward velocity of 4 m/s.

  • What is the acceleration due to gravity on the Moon?

  • How high above the starting point did the rock go before it began to fall?


Given information

Given Information

  • vo = + 7 m/s ( or upwards )

  • vf = -4 m/s ( or downwards )

  • Time interval of 7 sec ( t = 7 s )


Part a choose appropriate formula

Part A - Choose Appropriate Formula


Part a choose appropriate formula1

Part A - Choose Appropriate Formula


Part a choose appropriate formula2

Part A - Choose Appropriate Formula


Part a substitute values

Part A – Substitute Values


Part a substitute values1

Part A – Substitute Values


Part b appropriate formula

Part B – Appropriate Formula

NOW HAVE ADDITIONAL INFO ( value for g )

  • What are you asked to find?

    • Height of rock ( above initial position ) before rock falls

  • Any more info from this?


Part b appropriate formula1

Part B – Appropriate Formula

NOW HAVE ADDITIONAL INFO ( value for g )

  • What are you asked to find?

    • Height of rock ( above initial position ) before rock falls

  • Any more info from this?

    • Final velocity at top of path is zero


Part b appropriate formula2

Part B – Appropriate Formula


Part b substitute values

Part B – Substitute Values


Part b solve

Part B – Solve


Part b solve1

Part B – Solve


Part b without sig figs

Part B – Without Sig Figs?


Exam prep book

Exam Prep Book

  • Pg 24 ( 1 -5 )

  • Pg 25 – 1 ( graph )

  • Pg 30 ( #1 )

  • Pg 31 ( 2-5 & 1-2 at bottom )


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