Blank Jeopardy Game

1
Energy
2
Work Makes Me MAD!!!
3
Kinetic Energy
4
Potential Energy
5
Conservation of Energy
6
Physics is Phun!
7
Work Makes Me MAD!!!
Physics is Phun!
Kinetic Energy
Potential Energy
Conservation of Energy
5 pt.
5 pt.
5 pt.
5 pt.
5 pt.
10 pt.
10 pt.
10 pt.
10 pt.
10 pt.
15 pt.
15 pt.
15 pt.
15 pt.
15 pt.
20 pt.
20 pt.
20 pt.
20 pt.
20 pt.
25 pt.
25 pt.
25 pt.
25 pt.
25 pt.
8
1-5
When energy is added to an object, what kind of
work is done? A) positive B) negative C)
zero D) not enough info
5 pt.
9
1-5A
When energy is added to an object, what kind of
work is done? A) positive
5 pt.
10
1-10
Is the work done on the object pictured below
positive or negative?
Force
distance
10 pt.
11
1-10A
Is the work done on the object pictured below
positive or negative?
Force
distance
Zero, since the force and distance are at right
angles.
10 pt.
12
1-15
How much work is done by a cars engine when it
pushes with a force of 1450 N through a distance
of 200 meters?
15 pt.
13
1-15A
How much work is done by a cars engine when it
pushes with a force of 1450 N through a distance
of 200 meters?
Work Force x distance Work (1450 N)(200 m)
290,000 J
15 pt.
14
1-20
How many watts are expended when a 100-N person
walks 3.5 meters up a flight of stairs in 14
seconds?
20 pt.
15
1-20A
How many watts are expended when a 100-N person
walks 3.5 meters up a flight of stairs in 14
seconds?
Work Force x distance Work (100 N)(3.5 m)
350 J Power Work / Time Power (350 J)/(14
sec) 25 Watts
20 pt.
16
1-25
Suppose that a block of weight 300-N is lifted
through a height of 5 meters by pushing it up a
ramp 16.5 meters long. How hard must the block
be pushed up the ramp?
F
5 m
16.5 m
25 pt.
17
1-25A
Suppose that a block of weight 300-N is lifted
through a height of 5 meters by pushing it up a
ramp 16.5 meters long. How hard must the block
be pushed up the ramp?
Energy needed weight x height (300 N)(5 m)
1500 J Work on Ramp 1500 J Work
Force x distance Force Work / distance (1500
J)/(16.5 m) 90.9 Newtons
F
5 m
16.5 m
25 pt.
18
2-5
Negative work is done on a rolling bowling ball.
What happens to the kinetic energy of the
ball? A) KE increases B) KE does not change C)
KE decreases D) not enough info
5 pt.
19
2-5A
Negative work is done on a rolling bowling ball.
What happens to the kinetic energy of the
ball? C) KE decreases
5 pt.
20
2-10
True or False It is possible for an object to
have a negative kinetic energy.
10 pt.
21
2-10A
True or False It is possible for an object to
have a negative kinetic energy.
False
10 pt.
22
2-15
What is the KE of a car with mass 1200-kg that is
moving at 50 m/sec?
15 pt.
23
2-15A
What is the KE of a car with mass 1200-kg that is
moving at 50 m/sec?
KE 1/2mv2 KE 1/2 (1200 kg)(50 m/s)2 KE
1,500,000 Joules
15 pt.
24
2-20
Two identical cars are traveling down the road --
one moving at twice the speed of the other. If
both apply the brakes, what will happen? A)
they both travel the same distance B) the faster
car will move twice as far C) the faster car
will move four times as far D) not enough info
20 pt.
25
2-20A
Two identical cars are traveling down the road --
one moving at twice the speed of the other. If
both apply the brakes, what will happen? C)
the faster car will move four times as far
20 pt.
26
2-25
A rocket of mass 250-kg is pushed by a thrust
force of 10,000-N through 12 kilometers. How
fast is it moving when the engine shuts off?
25 pt.
27
2-25A
A rocket of mass 250-kg is pushed by a thrust
force of 10,000-N through 12 kilometers. How
fast is it moving when the engine shuts off?
Work Change in KE gt Fd 1/2mv2 (10,000
N)(12,000 m) 1/2 (250 kg)v2 v v2(10,000
N)(12,000 m)/250 kg v 980 m/sec
25 pt.
28
3-5
How do you calculate gravitational potential
energy (GPE)?
5 pt.
29
3-5A
How do you calculate gravitational potential
energy (GPE)?
GPE weight x height mgh
5 pt.
30
3-10
What is the GPE of a 50-kg object placed at a
height of 10 m?
10 pt.
31
3-10A
What is the GPE of a 50-kg object placed at a
height of 10 m?
GPE mgh (50 kg)(10 m/s2)(10 m) GPE 5,000
Joules
10 pt.
32
3-15
A perfect pendulum swings from rest. How high
does it go before it stops? A) lower than
originally B) the same height as originally C)
higher than originally D) not enough info
15 pt.
33
3-15A

• A perfect pendulum swings from rest. How high
  does it go before it stops?
• the same height as originally

15 pt.
34
3-20
An elevator of 550-kg goes from the first to the
fourth floor. If each floor is 4 meters, how
much GPE does the elevator gain?
20 pt.
35
3-20A
An elevator of 550-kg goes from the first to the
fourth floor. If each floor is 4 meters, how
much GPE does the elevator gain?
Weight 550 kg 10 m/s 5,500 N GPE weight
x height (5,500 N)(3 x 4 m) (its 3 flights
from 1st to 4th floor) GPE 66,000 Joules
20 pt.
36
3-25
Your Team may wager from 0-50 pts.
You must make your wager BEFORE the Daily Double
is revealed!!!
25 pt.
37
3-25A
Daily Double
Daily Double
How much power does the engine of a 2300-kg
elevator put out if it climbs through 38-m in one
minute?
GPE (2300 kg)(10 m/s2)(38 m) 874,000 J Power
GPE / Time (874,000 J)/(60 sec) Power
14,567 Watts
Daily Double
38
4-5
If the universe began during the Big Bang 15
billion years ago with an energy of 516
gadzillion Joules, how much energy is there in
the universe right now?
5 pt.
39
4-5A
If the universe began during the Big Bang 15
billion years ago with an energy of 516
gadzillion Joules, how much energy is there in
the universe right now?
516 gadzillion Joules
5 pt.
40
4-10
When a car slows down to a stop where does all of
its previous KE go? A) it turns into heat B)
braking energy C) into total mechanical
energy D) not enough info
10 pt.
41
4-10A

• When a car slows down to a stop where does all of
  its previous KE go?
• it turns into heat

10 pt.
42
4-15
When a diver who weighs 650-N jumps from a 10-m
high diving platform, how much KE do they hit the
water with?
15 pt.
43
4-15A
When a diver who weighs 650-N jumps from a 10-m
high diving platform, how much KE do they hit the
water with?
GPEinitial KEfinal KEfinal (650 N)(10 m)
6500 J
15 pt.
44
4-20
When jumping up and down on a trampoline, the
450-N jumper leaves the trampoline with a KE of
3800 J. How high do they travel?
45
4-20A
When jumping up and down on a trampoline, the
450-N jumper leaves the trampoline with a KE of
3800 J. How high do they travel?
KEinitial GPEfinal mgh 3800 J (450 N) h h
(3800 J)/(450 N) 8.44 m
20 pt.
46
4-25
A 2-kg ball slides from rest down a 5-m tall
incline as shown. When it is halfway down, how
fast is it going?
25 pt.
47
4-25A
A 2-kg ball slides from rest down a 5-m tall
incline as shown. When it is halfway down, how
fast is it going?
GPEinitial KE GPE (2kg)(10m/s2)(5m) 1/2
(2kg)v2 (2kg)(10m/s2)(2.5m) 100 J v2 50
J v v(50) 7.1 m/sec
25 pt.
48
5-5
Where on Earth would you have the greatest
gravitational potential energy?
5 pt.
49
5-5A
Where on Earth would you have the greatest
gravitational potential energy?
Mount Everest
5 pt.
50
5-10
Name the character and movie that produced this
famous quote A wizard is never late he
arrives precisely when he means to.
10 pt.
51
5-10A
Gandalf the Grey, in LOTR Fellowship of the Ring
10 pt.
52
5-15
What is the name of the very energetic fitness
guru who exercised to the oldies in the 1990s?
15 pt.
53
5-15A
Richard Simmons
15 pt.
54
5-20
In what year was the Great Pyramid of Giza
constructed? (200 years)
20 pt.
55
5-20A
Roughly 2600 B.C.E.
20 pt.
56
5-25
Who is the vicious ruler of the planet Mongo?
25 pt.
57
5-25A
Ming the Merciless
25 pt.
58
Daily Double
Daily Double
Daily Double
How much power does the engine of a 2300-kg
elevator put out if it climbs through 38-m in one
minute?
Daily Double
Daily Double