Blank Jeopardy Game

1
topic here
2
Gravity
3
Centripetal Force
4
Circular Motion
5
Roller Coasters
6
Physics is Phun!
7
Gravity
Physics is Phun!
Centripetal
Circular
Coasters
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
At the top of its flight, a projectile has an
acceleration of?
5 pt.
9
At the top of its flight, a projectile has an
acceleration of?
9.8 m/s2 - Downward (or -9.8 m/s2)
5 pt.
10
An object with a mass of 23kg has a weight of
what?
10 pt.
11
An object with a mass of 23kg has a weight of
what?
230 N (or 225.4 N)
10 pt.
12
What is the value of G?
15 pt.
13
What is the value of G?
6.67 E-11 Nm2kg2
15 pt.
14
What is the value of g on a planet with a mass of
4 E23 kg and a diameter of 8,000 km?
20 pt.
15
What is the value of g on a planet with a mass of
4 E23 kg and a diameter of 8,000 km?
g G m/r2 g 6.67 E-11 Nm2kg2 4 E23
kg (4,000,000 m)2 g 1.67 m/s2
20 pt.
16
An astronaut weighs 700N on Earth. If the
astronaut weighs 200N on another planet, which
has a radius of 5000 km, what is the mass of the
planet?
25 pt.
17
An astronaut weighs 700N on Earth. If the
astronaut weighs 200N on another planet, which
has a radius of 5000 km, what is the mass of the
planet?
mastronaut 70 kg Fg 200 N Gm1m2/r2 200N
6.67 E-11 70kg mplanet (5,000,000
m)2 mplanet 1.07 E 24 kg
25 pt.
18
What is the equation for Centripetal Force?
5 pt.
19
What is the equation for Centripetal Force?
Fc mv2 / r
5 pt.
20
What is the equation for Centripetal Acceleration?
10 pt.
21
What is the equation for Centripetal Acceleration?
ac v2 / r
10 pt.
22
2-15
A 1000kg race car goes around a 200m diameter
track at 50m/s. How much frictional force is
needed to prevent skidding?
15 pt.
23
2-15A
A 1000kg race car goes around a 200m diameter
track at 50m/s. How much frictional force is
needed to prevent skidding?
Fc mv2 / r Ff 1000kg(50m/s)2 / 100m Ff
25,000 N
15 pt.
24
2-20
A race car goes around a 100m diameter track at
100m/s. What coefficient of friction is needed to
prevent skidding? Is this Static, or Kinetic
friction?
20 pt.
25
2-20A
A race car goes around a 100m diameter track at
100m/s. What coefficient of friction is needed to
prevent skidding? Is this Static, or Kinetic
friction?
Ff mv2 / r FN mg µ Ff / FN µ
(mv2/r)/(mg) v2/rg µ 20 .. Static
20 pt.
26
2-25
Your Team may wager from 0-50 pts.
Type question here. Adjust size position as
necessary.
You must make your wager BEFORE the Daily Double
in revealed!!!
25 pt.
27
2-25A
Daily Double
Daily Double
A 0.1kg toy airplane flies around a pole, tied to
a string, in a 0.5m radius circle. If the plane
takes 2 seconds to circle, what is the angle
between string and pole?
Tan ? Fc / Fg Tan ? mv2 / rmg Tan ? v2 / rg
(2?r/T)2 / rg ? Tan-1 (4?2r/(g T2)) T 26o
Daily Double
28
3-5
A ball is spun on a 2m string, completing a
circle in 1 second. What is the velocity of the
ball?
5 pt.
29
3-5A
A ball is spun on a 2m string, completing a
circle in 1 second. What is the velocity of the
ball?
v d / t d 2?r v 2?r / t v 12.6 m/s
5 pt.
30
3-10
A ball on a string is spun in a circle, rolling
along on the surface of a table-top. Draw a
Free-Body diagram for the ball.
10 pt.
31
3-10A
A ball on a string is spun in a circle, rolling
along on the surface of a table-top. Draw a
Free-Body diagram for the ball.
FN
Ft
Fg
10 pt.
32
A ball on a string is spun in a circle, moving
faster and faster. Draw a pair of vectors
representing the acceleration(s) of the ball..
15 pt.
33
A ball on a string is spun in a circle, moving
faster and faster. Draw a pair of vectors
representing the acceleration(s) of the ball..
at
ac
15 pt.
34
3-20
A toy plane on a string hangs from the ceiling,
flying around every 1.93 seconds. If the string
has a length of 1m, and the string is 20o from
the vertical, what is the centripetal
acceleration of the plane?
20 pt.
35
3-20A
A toy plane on a string hangs from the ceiling,
flying around every 1.93 seconds. If the string
has a length of 1m, and the string is 20o from
the vertical, what is the centripetal
acceleration of the plane?
ac v2 / r ac (2?r / T)2 / r ac 4?2r / T2 ac
4?2(1 sin20) / (1.93 s)2 ac 3.6 m/s2
20 pt.
36
3-25
A toy airplane hangs from a 1m string attached to
the ceiling. The plane flies in a circle of
radius 0.5m. How long does it take the plane to
circle once?
25 pt.
37
3-25A
A toy airplane hangs from a 1m string attached to
the ceiling. The plane flies in a circle of
radius 0.5m. How long does it take the plane to
circle once?
ac v2 / r ? 30o Tan ? ac / g ac 5.77m/s2
v2/0.5m v 1.7 m/s d 3.14 T 1.85s
25 pt.
38
4-5
Draw a Free-Body diagram for a roller coaster on
a slow hill.
5 pt.
39
4-5A
Draw a Free-Body diagram for a roller coaster on
a slow hill.
FN
Fg
5 pt.
40
4-10
Draw a Free-Body diagram for a roller coaster at
the bottom of a loop (to scale).
10 pt.
41
Draw a Free-Body diagram for a roller coaster at
the bottom of a loop (to scale).
FN
Fg
10 pt.
42
Draw a Free-Body diagram for a roller coaster at
the top of a loop, where the rider feels
weightless (to scale).
15 pt.
43
Draw a Free-Body diagram for a roller coaster at
the top of a loop, where the rider feels
weightless (to scale).
Fg
15 pt.
44
How fast must a roller coaster be moving if the
rider is to feel weightless at the top of the 40m
tall loop?
20 pt.
45
How fast must a roller coaster be moving if the
rider is to feel weightless at the top of the 40m
tall loop?
FN Fg mv2 / r 0 N mg mv2 / r 10 v2 /
20m v 14.14 m/s
20 pt.
46
How fast is a roller coaster moving if the rider
feels 4gs at the bottom of the 20m tall loop?
25 pt.
47
How fast is a roller coaster moving if the rider
feels 4gs at the bottom of the 20m tall loop?
FN - Fg mv2 / r 4gs means FN
m410m/s2 m410 - mg mv2 / r 40 10 v2 /
10m v 17.32 m/s
25 pt.
48
5-5
How many Earths would fit in Jupiters large
red-spot?
5 pt.
49
5-5A
How many Earths would fit in Jupiters large
red-spot?
Approximately 2 or 3 Earths would fit in the red
spot.
5 pt.
50
How many of your body cells die each day?
10 pt.
51
How many of your body cells die each day?
Between 50 and 70 BILLION! In a year, this
amounts to the proliferation and subsequent
destruction of a mass of cells equal to an
individual's body weight.
Between 50 and 70 BILLION! In a year, this
amounts to the proliferation and subsequent
destruction of a mass of cells equal to an
individual's body weight.
10 pt.
52
What is Jason Bournes real name?
15 pt.
53
What is Jason Bournes real name?
David Webb
15 pt.
54
Name the most recent horse to win the Triple
Crown?
20 pt.
55
Name the most recent horse to win the Triple
Crown?
Affirmed In 1978
20 pt.
56
What company is the worlds largest distributor
of toys?
25 pt.
57
What company is the worlds largest distributor
of toys?
McDonalds
25 pt.
58
Daily Double
Daily Double
Daily Double
A 0.1kg toy airplane flies around a pole, tied to
a string, in a 0.5m radius circle. If the plane
takes 2 seconds to circle, what is the angle
between string and pole?
Daily Double
Daily Double