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Show your work on all problems.
THE CAROUSEL
Data: Distance from outer ring of horses to center: 6 meters
Time for one revolution: 13 seconds
i\4ass of rider: 60 kilograms
I.
What is the period of the merry-go-round?
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2.
What is the frequency of the merry-go-round?
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3.
What is your tangential speed if you are standing next to one of the horses in the outer
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4.
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horses
What is the centripetal force acting on you. if you are standing next to one of the
in the outer ring?
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5.
Oh no! The carousel floor is very slippery and you start to slide off the ride!
What direction will you travel?
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6. What is ohysically providing the centnpetal force that keeps you on the ride?
Describe any ‘centhiugai effect” that you may sense.
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EFFECT
MOVIETOWN WATER
iih oieach boat
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Time for boat to pass point A (right be±bre last drop): 1.9 sec
Time for boat to come down the slide (A to B): 2.3 seconds
Time for boat to pass point C: 3.5 seconds
Yoiw Mass: 6O.K.g
nd, at point A right before the last final
What is the velocity of the boat, in meters / seco
1.
drop?
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2.
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assume constant acceleration?
What is the velocity of the boat at point B, if you
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(Remember the initial velocity of the boat is at poin
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3. What is your momentum at point B?
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3.
What is your speed as the boat passes point C?
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What is your difference in momentum between points B and C?
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if the time required to go between points B and C is 1.5 seconds, calculate the force in
newtons that your body experiences. (think impulse
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L TORO
1.
To get to the top of the hill, El Toro’s car is vertically lifted 53.3 meters. iThe average
mass of a loaded car is 9750 kg. What is the work done by the motor to lift the car and
passengers to the top of the hill?
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2.
If the car travels from the bottom to the top of the hill in 43.0 seconds, what is the
required power output of the motor?
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NITRO
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Nitro’s imtzal vertical drop
The train is pulled up the lift hill a distance of
120 meters in order to reach this vertical drop height. Flow much force did the lift chain
mpiytothetraintoouilitupthehill?
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sume r tP loci ot the train is nearly zero ritht betasthen what is
:e velocity Of the train at the bottom of this initial drop?
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Roller Coaster
Refer to the diagram and measurements of the “Scream Machine.”
3. Using the ground level as zero gravitational potential energy, what is
the potential energy of a 60.0-kg passenger at point B?
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9: What is this person’s kinetic energy anjoules at the top ot loop E?
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10. At point D, the potential energy of the ride is zero. What is your speed at
point D in meters per second?
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