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Transcript of Jeopardy!. Choose Category & Amount MotionForces Newton’s Laws Work & Power EnergyWaves 200 400...
Choose Category & AmountChoose Category & Amount
MotionMotion ForcesForces Newton’s Newton’s LawsLaws
Work & Work & PowerPower EnergyEnergy WavesWaves
200 200 200 200 200 200
400 400 400 400 400 400
600 600 600 600 600 600
800 800 800 800 800 800
1000 1000 1000 1000 1000 1000
Final JeopardyFinal Jeopardy
A 2500. kg rollercoaster train is at the A 2500. kg rollercoaster train is at the top of a 62.0 meter hill. It goes down top of a 62.0 meter hill. It goes down
the hill. Ignoring any energy loss, the hill. Ignoring any energy loss, what will be the speed of the what will be the speed of the
rollercoaster train at the bottom of rollercoaster train at the bottom of the hill?the hill?Back
Answer
AnswersAnswers
MotionMotion ForcesForces Newton’s Newton’s LawsLaws
Work & Work & PowerPower EnergyEnergy WavesWaves
5.10 m/s5.10 m/s It will It will tripletriple
Newton’s Newton’s 22ndnd Law Law
Force applied Force applied over a distanceover a distance 3150 Joules3150 Joules 13,600 Hz13,600 Hz
1.6 m/s1.6 m/s22 150 150 NewtonsNewtons
Newton’s Newton’s 11stst Law Law
The rate The rate of doing of doing
workwork357 Joules357 Joules 9.78 meters9.78 meters
Slowing Slowing downdown
AcceleratioAccelerationn InertiaInertia 70 Joules70 Joules
Elastic Elastic Potential Potential EnergyEnergy
5.0 5.0 metersmeters
3.67 hr or 3.67 hr or (3 hr 40 min)(3 hr 40 min) 0.25 kg0.25 kg
Newton’s Newton’s 33rdrd Law Law
Zero – no Zero – no distance distance movedmoved
It It increasesincreases 354 Hz354 Hz
AcceleratioAccelerationn
33.3 N33.3 N Newton’s Newton’s 33rdrd Law Law
5 Watts 5 Watts (or J/s)(or J/s)
Gravitational Gravitational Potential Potential EnergyEnergy
4.0 4.0 metersmeters
Motion 200Motion 200
A distance runner covers 5000. m in a A distance runner covers 5000. m in a time of 980. seconds. What was his time of 980. seconds. What was his
average speed?average speed?Back
Answer
Motion 400Motion 400
A runner can go from 6.0 m/s to 14 A runner can go from 6.0 m/s to 14 m/s in 5.0 seconds. What is the m/s in 5.0 seconds. What is the
runner’s acceleration?runner’s acceleration?Back
Answer
Motion 600Motion 600
What does it mean when a negative What does it mean when a negative acceleration is reported?acceleration is reported?
BackAnswer
Motion 800Motion 800
How long does it take an object to How long does it take an object to travel 220 kilometers at 60.0 travel 220 kilometers at 60.0
km/hr?km/hr?Back
Answer
Motion 1000Motion 1000
In a distance vs. time graph, what does In a distance vs. time graph, what does a curved line always indicate?a curved line always indicate?
BackAnswer
Forces 200Forces 200
If you were pushing a cart and If you were pushing a cart and suddenly tripled the amount of suddenly tripled the amount of
force that you are using, what will force that you are using, what will happen to the acceleration of the happen to the acceleration of the
cart will?cart will?Back
Answer
Forces 400Forces 400
What is the weight of a 15 kg dumbbell What is the weight of a 15 kg dumbbell on Earth?on Earth?Back
Answer
Forces 600Forces 600
A constant net force acting on an A constant net force acting on an object causes the object to move object causes the object to move
with constant _____________.with constant _____________.Back
Answer
Forces 800Forces 800
A pitcher accelerates a ball at 80.0 A pitcher accelerates a ball at 80.0 m/sm/s22 by exerting a force of 20.0 N. by exerting a force of 20.0 N.
What is the mass of the ball?What is the mass of the ball?Back
Answer
Forces 1000Forces 1000
A 6.8 kg bowling ball is rolled with an A 6.8 kg bowling ball is rolled with an acceleration of 4.9 m/sacceleration of 4.9 m/s22. What was . What was
the force applied?the force applied?Back
Answer
Newton’s Laws 200Newton’s Laws 200
The acceleration of an object is directly The acceleration of an object is directly proportional to the force applied to it. proportional to the force applied to it.
This is part of which law? This is part of which law?Back
Answer
Newton’s Laws 400Newton’s Laws 400
An object at rest stays at rest unless An object at rest stays at rest unless acted upon by an outside force. This acted upon by an outside force. This
is part of which law?is part of which law?Back
Answer
Newton’s Laws 600Newton’s Laws 600
A measure of an object’s resistance to A measure of an object’s resistance to changes in motion is known as this.changes in motion is known as this.
BackAnswer
Newton’s Laws 800Newton’s Laws 800
When running, the ground pushes back When running, the ground pushes back on the runner with the same force on the runner with the same force
that the runner applies to the that the runner applies to the ground. This is an example of ground. This is an example of
which law?which law?Back
Answer
Newton’s Laws 1000Newton’s Laws 1000
““Forces always occur in pairs” and “for Forces always occur in pairs” and “for every action there is an equal and every action there is an equal and opposite reaction” are statements opposite reaction” are statements
related to which law?related to which law?Back
Answer
Work & Power 200Work & Power 200
In order for work to occur, these two In order for work to occur, these two things must happen. things must happen.
BackAnswer
Work & Power 600Work & Power 600
If you push with 50.0 N of force and lift If you push with 50.0 N of force and lift a box 1.4 meters, how much work do a box 1.4 meters, how much work do
you do? you do? Back
Answer
Work & Power 800Work & Power 800
How much work is done to hold a 50 N How much work is done to hold a 50 N box 1.4 meters off the ground?box 1.4 meters off the ground?
BackAnswer
Work & Power Work & Power 10001000
How much power is required to lift a How much power is required to lift a 50N chair 0.3 m in 3 seconds? 50N chair 0.3 m in 3 seconds?
BackAnswer
Energy 200Energy 200
What is the approximate GPE of a 42 What is the approximate GPE of a 42 kg box that is 7.5 m above the kg box that is 7.5 m above the
ground? ground? Back
Answer
Energy 400Energy 400
What is the approximate KE of a 1.35 What is the approximate KE of a 1.35 kg discus thrown with a speed of kg discus thrown with a speed of
23.0 m/s? 23.0 m/s? Back
Answer
Energy 600Energy 600
The energy associated with the The energy associated with the bending or deformation of material bending or deformation of material
is ________.is ________.Back
Answer
Energy 800Energy 800
What specifically happens to the What specifically happens to the kinetic energy of an object as it falls kinetic energy of an object as it falls
to the ground?to the ground?Back
Answer
Energy 1000Energy 1000
A roller coaster car is at the top of the A roller coaster car is at the top of the first hill just about to drop. What first hill just about to drop. What
type of energy is most closely type of energy is most closely associated with this situation?associated with this situation?
BackAnswer
Waves 200Waves 200
Sound travels at a speed of 340 m/s. Sound travels at a speed of 340 m/s. What frequency would correspond What frequency would correspond to a sound wave with a wavelength to a sound wave with a wavelength
of 0.025 m?of 0.025 m?Back
Answer
Waves 400Waves 400
In steel, a sound wave travels at a In steel, a sound wave travels at a speed of 5000. m/s. What would be speed of 5000. m/s. What would be
the wavelength of a sound the wavelength of a sound produced that came from a 512 Hz produced that came from a 512 Hz tuning fork that was touched to the tuning fork that was touched to the
steel?steel?Back
Answer
Waves 600Waves 600
A wave that moves perpendicular to A wave that moves perpendicular to the disturbance that creates it is the disturbance that creates it is
this type of wave.this type of wave.Back
Answer
Waves 800Waves 800
The amount of energy that a wave The amount of energy that a wave carries is closely related to this part carries is closely related to this part
of a wave.of a wave.Back
Answer
Waves 1000Waves 1000
What general category of waves need What general category of waves need a medium in which to travel?a medium in which to travel?
BackAnswer
Motion 600 AnswerMotion 600 Answer
Slowing down (in the positive Slowing down (in the positive direction) or speeding up (in the direction) or speeding up (in the
negative direction)negative direction) Back to Board
Newton’s Laws 1000 AnswerNewton’s Laws 1000 Answer
Newton’s 3Newton’s 3rdrd Law Law Back to BoardBack to Board
Work & Power 200 AnswerWork & Power 200 Answer
Force applied over a distanceForce applied over a distance Back to BoardBack to Board
Work & Power 400 AnswerWork & Power 400 Answer
The rate of doing workThe rate of doing work Back to BoardBack to Board
Work & Power 800 AnswerWork & Power 800 Answer
Zero – no distance movedZero – no distance moved Back to BoardBack to Board
Energy 600 AnswerEnergy 600 Answer
Elastic Potential EnergyElastic Potential Energy Back to BoardBack to Board
Energy 1000 AnswerEnergy 1000 Answer
Gravitational Potential EnergyGravitational Potential Energy Back to BoardBack to Board