Moon Crater Quizzes. moon surface Asteroid 1 1.5 tonnes V=100 km/s Asteroid 2 1 tonne V=100 km/s 1.Which system has more energy? Explain.

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Presentation transcript:

Moon Crater Quizzes

moon surface Asteroid tonnes V=100 km/s Asteroid 2 1 tonne V=100 km/s 1.Which system has more energy? Explain.

Asteroid 1 V=100 km/s Asteroid 2 V=100 km/s 2.Which system has more energy? Explain. moon surface

Asteroid 1 V=300 km/s Asteroid 2 V=100 km/s 3.Which system has more energy? Explain. moon surface

(Correct answers in red) Answer Key

moon surface Asteroid tonnes V=100 km/s Asteroid 2 1 tonne V=100 km/s 1.Which system has more energy? Explain. Asteroid 1 is 50% more massive than asteroid 2. This means that asteroid 1 will contain 50% more energy given that they are both moving at the same velocity, and are starting from the same height above the surface.

Asteroid 1 V=100 km/s Asteroid 2 V=100 km/s 2.Which system has more energy? Explain. Asteroid 1 is higher above the surface than asteroid 2. This means that asteroid 1 will experience acceleration due to gravity for a longer period of time than asteroid 2, and so will have a greater velocity at impact. Asteroid 1 has more potential energy than asteroid 2, given that they are both moving at the same velocity at time=0, and are the same mass. moon surface

Asteroid 1 V=100 km/s Asteroid 2 V=300 km/s 3.Which system has more energy? Explain. Asteroid 2 is moving faster than asteroid 1. This means that asteroid 2 will strike the surface of the moon at a greater velocity than asteroid 1. Asteroid 2 has more kinetic energy than asteroid 2, although both asteroids have the same potential energy given that they are starting at the same height above the surface, and are the same mass.. moon surface

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