KE

 What is kinetic energy ? 

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Earth Impact.

     Imagine you are in the future. An asteroid is coming to Earth. You and your team get on a space ship. The space ship is equiped so that it can destroy half of the asteroid. The asteroid has a mass of 20000kg and a speed of 25000 meters a second.  Calculate the force of the asteroid before and after half the asteroid is destroyed? Why is the force less when half is destroyed? 

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Asteroid Impact

 Imagine an asteroid is heading toward Earth. The asteroid is heading on a trajectory to hit the international space station. You are on a team of scientist working  on this problem. What question could you ask to help solve this problem of science and engineering? 

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Newton's Third Law

 Write an example of Newton's third law of motion. Your example should include action and reaction forces. 

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Newton Three Laws

 Please give an example of one Newton's three laws of motion. 

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Penny Drop

What would happen if you dropped a penny off a tall building. The is a common urban legend about dropping a penny of the empire state building in New York city. If this happend what do you think the results would be when it landed on the ground below?  How would terminal velocity affect the outcome? 

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Falling Objects

 Eli says to Eben the heavier an object is the fast it falls. Eben tells Eli that he wrong. Eben says the longer an object falls the faster it falls. Han says that there are more factors involved when objects fall. Who do you think is right and why? 

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