Transcript No Slide Title - siscluster8-1

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Final Jeopardy
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Units
Problems
KE vs. PE
Is It Work?
Misc.
10 Point
10 Point
10 Point
10 Point
10 Point
20 Points
20 Points
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30 Points
30 Points
30 Points
30 Points
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40 Points
40 Points
40 Points
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50 Points
50 Points
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50 Points
50 Points
What is the unit
for GPE?
Joules
A Newton is also
known as…?
kg•m/s
2
The unit for work
is what?
Joules
What is the
difference between
2
m/s and m/s ?
2
m/s is equal to
m/s•m/s
A Newton times a
meter is a what?
A Newton/meter
What is the force
needed to move a 5
2
kg ball at 6 m/s ?
30 N
What is the
distance a box
moves with 60 J of
work and 3 N of
force?
20 m
How much kinetic
energy does a 0.75
kg ball rolling 20
m/s have?
150 J
What is the mass of
a child with 30 J of
KE moving at a
velocity of 2 m/s?
15 kg
How much GPE
does a 0.5 kg apple
have on a branch
5m tall?
24.5 J
A ball rolling on
the ground.
Kinetic Energy
A stretched out
rubberband.
Potential Energy
A spaceman
thrown in the air.
Kinetic Energy/
Potential Energy
A man riding on a
bicycle down a hill.
Kinetic Energy/
Potential Energy
A box on the
ground.
None
A student doing
homework.
No
2 men pulling a
box on wheels.
Yes
Mr. Weston’s
endless
mnemonics.
No
A shopping cart
with food in it
pushed by a 3-yearold.
Yes
A waiter carrying a
platter above his
head.
No
The higher you lift
a weight, the more
_____ it has.
Potential Energy
Squeezing a spring
is what kind of
energy?
Elastic Potential
Energy
Gravitational
acceleration
equals…?
9.8 m/s
2
Add kinetic energy
to ______ to get
mechanical energy.
Potential Energy
The formula for
work is force times
______.
Distance
Make your wager
A 75 kg boulder is on
the edge of a cliff 698
m high. How much
mechanical energy
does the ball have?
513,030 J