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Jeopardy May the Force be with You Graph that Thing Conservation Laws The X-FactorThe Word Is Q $100 Q $200 Q $300 Q $400 Q $500 Q $100 Q $200 Q $300 Q $400 Q $500 Final Jeopardy
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$100 Question What law describes why PSY pushes on the ground with the same force (in the opposite direction) that the ground pushes back on him?
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$100 Answer Newton’s 3 rd Law of Motion
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$200 Question What is the mass of an object that weighs 98 N on Earth?
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$200 Answer 10 kg
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$300 Question Which law explains why a person would keep moving through the windshield of their car if they got in an accident and were not wearing a seatbelt?
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$300 Answer Newton’s 1 st Law of Motion
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$400 Question Unlike mass, which is the measure of inertia, this quantity varies depending on two factors: 1) How massive of an object it is near 2) How far away it is from the object What is the quantity?
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$400 Answer The gravitational force
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$500 Question Find the centripetal force that acts on a 50 gram washer being spun horizontally over Ms. Eddy’s head at a rate of 8.5 m/s if the length of the string is 0.9 meters.
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$500 Answer F c = 4.01 N
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$100 Question Find the velocity of the object in the following graph.
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$100 Answer 10 m/s
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$200 Question Describe the type of motion in the following graph.
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$200 Answer Accelerated motion
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$300 Question What is the acceleration of the object in the following graph?
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$300 Answer 4 m/s 2
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$400 Question Find the mass of the object in the following graph.
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$400 Answer 3 kg
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$500 Question Describe how to find acceleration and displacement from a velocity vs. time graph.
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$500 Answer Acceleration –slope Displacement –area
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$100 Question A snowboarder on a half pipe is a perfect example of conservation of energy. What kind of energy is at a maximum in location A? A A B B
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$100 Answer kinetic energy
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$200 Question A 0.25 kg baseball is moving at 90 m/s and a 5 kg bowling ball is rolling at 20 m/s. Which ball has a greater amount of kinetic energy?
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$200 Answer The baseball
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$300 Question What type of energy is at a maximum for the roller coaster at point W?
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$300 Answer (gravitational) potential energy
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$400 Question At which point will the roller coaster move the fastest? X
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$400 Answer Point X
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$500 Question What is the speed a 60 kg person at the bottom of a slide if he is initially stationary, the slide is 8 meters high, and there is conservation of mechanical energy?
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$500 Answer 12.5 m/s
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$100 Question How much power does an object that does 15 Joules of work in 3 seconds use?
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$100 Answer 5 Watts
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$200 Question How long does it take a car to accelerate from 10 m/s to 20 m/s at a rate of 2 m/s 2 ?
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$200 Answer 5 seconds
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$300 Question What is the acceleration of the box depicted in the following free body diagram? F N =150 N F g =150 N
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$300 Answer 0 m/s 2
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$400 Question What is the average speed of a car that travels 20,000 meters in 1,000 seconds?
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$400 Answer 20 m/s
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$500 Question What is the work required to lift a 9 kg box 4 meters?
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$500 Answer 353 Joules
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$100 Question Definition: The sum of all of the forces acting on an object
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$100 Answer Net Force
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$200 Question Definition: A quantity that has both magnitude and direction.
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$200 Answer Vector
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$300 Question Definition: The tendency of an object to resist change in motion.
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$300 Answer Inertia
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$400 Question Definition: The amount of energy transferred by a force moving and object through a distance.
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$400 Answer Work
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$500 Question Definition: The sum of kinetic and potential energy.
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$500 Answer Mechanical Energy
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Final Jeopardy What is the amount of power that is require to lift a 5 kg object at a rate 2 m/s for 3 seconds?
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Final Jeopardy Answer 98 Watts
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