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Physics – Review Linear Motion It’s time to play… Physics Jeopardy
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Rules for the Game When it is your team’s turn, select a category and an amount. After Mr. Dillon has finished asking the question, any team may buzz in. If you buzz in early, you will not be called on. If the team that buzzes in answers correctly, they get those points and choose the next category. If the team answers incorrectly, they lose the points. Mr. Dillon will then re-read the question so the other teams can have a chance to answer. A team is NOT obligated to answer if they do not want to. There will be a Final Jeopardy question at the end of the game where teams can wager the points they have earned. Any questions?
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Today’s Categories Scalar or Vector What Are the Units? Finish the Formula… “Free Fallin’” “g” The Answer is 4.9 Regular Jeopardy
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Scalar or Vector What are the Units? Finish the Formula… 100 200 300 400 500 “Free-Fallin’”“g” The Answer is 4.9 100 200 300 400 500 Go to Final JeopardyGo to Double Jeopardy
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100 Points Speed Scalar Quantity Back to Game Board
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200 Points Velocity Vector Quantity Back to Game Board
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300 Points Distance Scalar Quantity Back to Game Board
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400 Points Displacement Vector Quantity Back to Game Board
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500 Points Acceleration Vector Quantity Back to Game Board
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100 Points This unit is the typical SI (metric) unit for distance. Meter (m) Back to Game Board
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200 Points This is an example of a unit for speed. Meters per second (m/s) Back to Game Board
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300 Points This unit is the typical SI (metric) unit for displacement. Meters (m) Back to Game Board
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400 Points This is an example of a unit for velocity. Meters per second (m/s) Back to Game Board
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500 Points This is an example of a unit for acceleration. Meters per second per second (m/s 2 ) Back to Game Board
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100 Points Average Velocity: v = … or Back to Game Board
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200 Points Final Velocity: v f = … Back to Game Board
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300 Points Acceleration: a = … Back to Game Board
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400 Points Distance: d = … Back to Game Board
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500 Points Final Velocity Squared : v f 2 = … Back to Game Board
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100 Points This is the band that is famous for recording the song: “Free Falling.” Tom Petty and the Heartbreakers Back to Game Board
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200 Points This is how the main line of the chorus goes… (be sure to sing it to get your points.) Now I’m free… Free fallin’. Back to Game Board
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300 Points According to the lyrics, “She’s a good girl…She’s crazy about…” this person. Elvis Back to Game Board
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400 Points According to the lyrics, you need to “move west down…” this boulevard. Ventura Back to Game Board
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500 Points This is the Tom Cruise movie where his character sings “Free Falling” …significantly off key… Jerry McGuire Back to Game Board
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100 Points This is the value of “g” in meters/second 2 on Earth. 9.8 m/s 2 Back to Game Board
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200 Points This is the value of “g” in feet/second 2 on Earth. 32 ft/s 2 Back to Game Board
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300 Points This is the quantity that the constant “g” stands for. Acceleration Due to Gravity Back to Game Board
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400 Points True or False: Gravity on Earth accelerates all objects in the same way. True Back to Game Board
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500 Points This is usually the primary cause of why objects in free fall do not always accelerate at 9.8 m/s 2. Air Resistance Back to Game Board
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100 Points This is half of “g” on Earth. 4.9 m/s 2 Back to Game Board
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200 Points This is how far you would travel during the first second of free fall on Earth. 4.9 meters Back to Game Board
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300 Points This is your acceleration down a ramp that is inclined at a 45 angle (assuming no friction). 4.9 m/s 2 Back to Game Board
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400 Points This is your average speed during the first second of free fall on Earth. 4.9 m/s Back to Game Board
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500 Points Simplify: 4.9 Back to Game Board
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Today’s Categories “Free Fallin’” for Real Graph This Begins with “D” Constant Velocity? Vocab Schmocab Solve This Double Jeopardy
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“Free-Fallin’” for Real Graph ThisBegins with “D” 200 400 600 800 1000 Constant Velocity? Vocab Schmocab Solve This 200 400 600 800 1000 Go to Final Jeopardy
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200 Points An object in free-fall is technically only being acted on by this. Gravity Back to Game Board
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400 Points This is value of “g” on Earth. 9.8 m/s 2 Back to Game Board
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600 Points After the first second of free-fall, an object will be moving this fast (assuming no air resistance). 9.8 m/s Back to Game Board
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800 Points After the first second of free-fall, an object will be accelerating at this rate (assuming no air resistance). 9.8 m/s 2 Back to Game Board
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1000 Points Suppose that a feather and a brick are released from rest at the same time and from the same height. This object will hit the ground first (assuming no air resistance). They will hit at the same time. Back to Game Board
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200 Points On a position (or distance or displacement) versus time graph, the slope tells you about this. Speed or Velocity Back to Game Board
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400 Points On a velocity (or speed) versus time graph, the slope tells you about this. Acceleration Back to Game Board
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600 Points On a velocity (or speed) versus time graph, the area “under the curve” tells you about this. Distance or Displacement Back to Game Board
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800 Points On a position (or distance or displacement) versus time graph, the sign of the slope tells you about this. Direction Back to Game Board
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1000 Points Based on the graph below, what is the acceleration, velocity, and total displacement at t = 6 seconds? a = 0 m/s 2 ; v = 20 m/s; d = 80 m Back to Game Board
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200 Points This is how far an object travels, but direction is not important. Distance Back to Game Board
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400 Points This is how far an object ends up from it’s original starting point (direction is important). Displacement Back to Game Board
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600 Points This is the primary difference between a scalar quantity and a vector quantity. Direction Back to Game Board
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800 Points Gravity always acts in this direction. Down Back to Game Board
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1000 Points This is another word for a negative acceleration. Deceleration Back to Game Board
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200 Points Constant velocity? Moving at the same speed and in the same direction. Yes. Back to Game Board
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400 Points Constant velocity? Increasing your speed. No. Back to Game Board
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600 Points Constant velocity? An object experiencing free fall. No. Back to Game Board
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800 Points Constant Velocity? Traveling at 50 mph north and then traveling at 50 mph west. No. Back to Game Board
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1000 Points Constant velocity? Driving at the same speed in a circle. No. Back to Game Board
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200 Points This word is used in physics to mean “with respect to.” It implies the notion of perspective. Relative Back to Game Board
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400 Points This word is used to described motion that is in a straight line. Linear Back to Game Board
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600 Points This word describes how fast “something” is done with respect to time. Rate Back to Game Board
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800 Points This word describes speed, velocity, or acceleration at a specific moment in time. Instantaneous Back to Game Board
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1000 Points This word describes speed, velocity, or acceleration over an entire trip or span of time. Average Back to Game Board
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200 Points An apple takes 2.0 seconds to fall from rest to the ground. This is how fast (in m/s) the apple is moving right before it hits the ground. 19.6 m/s Back to Game Board
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400 Points An apple takes 2.0 seconds to fall from rest to the ground. This is how far above the ground the apple was initially. 19.6 meters Back to Game Board
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600 Points Bob jumps off the ground with an initial velocity of 1.2 m/s. This is the total time that he is in the air. 0.24 seconds Back to Game Board
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800 Points A car accelerates from rest to 25 m/s in 5 seconds. This is the car’s acceleration. 5 m/s 2 Back to Game Board
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1000 Points A ball is thrown straight down from a cliff with an initial downward velocity of 12 m/s. If the ball takes 4 seconds to hit the ground, this is the height of the cliff. 126.4 meters Back to Game Board
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FINAL JEOPARDY The category for Final Jeopardy is... Bob Write down your wager now. Here is the question…
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FINAL JEOPARDY Bob jumps up in the air with an initial velocity of 4 m/s. Assuming that there is no air resistance (and that he is an NBA superstar), this is how high he jumps. 0.816 meters
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Physics – Review Linear Motion And the winner is… Physics is phun!
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