Transcript Momentum and Impulse - $200

Motion/Newtons Physics
Review
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Conservation
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Periodic Table
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Chemistry
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Luis
is being
CATEGORY
1 - $100
pushed by two students.
Yulissa is pushing him to the left with a
force of 6 newtons. Karina is pushing him
to the right with a force of 8 Newtons.
Which of the following best describes
Luis’s motion.
a To the left with a force of 2 N.
b To the right with the force of 2N.
c He will not move
d To the right with a force of 14N.
CATEGORY 1 - $200
The force that tries to stop all
motion.
CATEGORY 1 - $300
As a cart travels around a
horizontal circular track, the cart
MUST undergo a change in
a: velocity
b: speed
c: inertia
d: weight
CATEGORY 1 - $400
What is the
distance
covered
between the
nd
th
2 and 6
second?
a 8m b 2m
c 6 m d 4m
CATEGORY 1 - $500
For every action, there is an equal
and opposite reaction.
CATEGORY 2 - $100
How many atoms are in this
formula H2O?
CATEGORY 2 - $200
This is an balanced equation
2H2O
2H2 +O2
Explain why.
Acceleration - $300
How many elements can be found in NaCl?
Acceleration - $400
Give at least five indicators that a chemical
change has taken place.
Acceleration - $500
What coefficient could you put in front of
the product’s side to balance this equation?
2C + O2
CO
Vectors - $100
What is a subatomic particle that has mass
and a positive charge?
Vectors - $200
Which subatomic particle has mass and no
charge?
Vectors - $300
What is the charge of the nucleus of an
atom?
Vectors - $400
How many elements
are in this
Compound? H2O
Vectors - $500
The electrons
are located in
this part of the
atom?
Momentum and Impulse - $100
Which element has 16 protons in its
nucleus?
Momentum and Impulse - $200
What are vertical columns on the Period
Table called?
Momentum and Impulse - $300
Which element does nitrogen share the
most characteristic with?
Oxygen
Calcium
Phosphorous
Argon
Momentum and Impulse - $400
Name an element with only one valence
electron that is highly reactive with other
elements?
Momentum and Impulse - $500
This type of electron is found on
the outermost shell and
determines the chemical
reactivity of an atom.
Gravitational and Newton’s 3rd - $100
Which law explains why a rocket
launches into space?
Newton’s 3rd and Friction - $200
A force that will work against motion
in every situation is
Newton 3rd and Friction - $300
A tendency of an object to resist
change in motion is
Newton’s 3rd and Friction - $400
Which law explains why a cake resting
on the front seat of a car falls when the
car stops suddenly.
Newton’s 3rd and Friction - $500
Which
law explains why it is easier to kick a
soccer ball than a bowling ball.
Velocity and Speed - $100
b 2.0 m/s
V= d/t =10m / 5s = 2.0 m/s
Velocity and Speed - $200
d 0.43s
v=d/t
42 m/s = 18 m / t
t =18 m / 42 m/s
t = 0.43 s
Velocity and Speed - $300
a: Velocity
Velocity has direction in its
measurement, circle motion
must have a constant change in
direction
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Velocity and Speed - $400
d: 4m
6m-2m = 4m
Velocity and Speed - $500
a : 0.2 h
v=d/t
600 km /h = 120 km / t
t = 120 km / 600 km / h
t=.2h
Acceleration - $100
b: increases
The velocity increases at 9.81
m/s every second!
Acceleration - $200
b: 7.0 s
a=v/t
2
4.0 m/s = 28 m/s – 0 m/s / t
t = 28 m/s / 4.0 m/s2
Acceleration - $300
d: remains the same
All objects fall at a constant
acceleration of 9.81 m/s2
unless friction is present
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b: 20 m/s
Vf2 = Vi2 + 2ad
= ( 8m/s )2 + 2 ( 3m/s2 ) ( 56m)
= 400 m2/s2
Vf = 20 m/s
$
Acceleration - $500
b: 10 s
Vf = Vi+ at
98 m/s = 0 m/s + 9.8 m/s2 t
98 m/s = t
9.8 m/s2
10 s
=t
Vectors - $100
d: mass
Mass has no direction!
Vectors - $200
c: 180
0
The minimum vector
addition direction results
from opposite direction
Vectors - $300
c: 80 N
Adding 80N + 40N =120N
Subtracting 80N- 40N = 40N
Range 40N-120N contains 100N
Vectors - $400
a: .5 W
Ax = A sin q
=W sin (300)
= .5 W
Vectors - $500
c : 19.8 N
Ax = A cos q
= 28 N cos (450)
= 28 N (.707)
= 19.8 N
Momentum and Impuse - $100
d: 300 kg-m/s
P=mv
= 30 kg ( 10 m/s )
Momentum and Impulse - $200
a: 4.5 x 104 kg-m/s, east
p= mv
= 1.5 x 103 kg ( 30 m/s ), east
= 45 x 103 kg-m/s, east
= 4.5 x 104 kg-m/s, east
Momentum and Impulse - $300
C: 70 kg-m/s
J=F(t) = mDv =Dp
30 N*s =p1- (40 kg-m/s)
70 kg-m/s =p1
Momentum and Impulse - $400
d: 0 kg-m/s
Conservation of momentum
P (total) = P1+P2 = 0
m1v1+m2v2 = 0
4kg*3m/s +6kg*-2m/s = 0
0 kg-m/s
Momentum and Impulse- $500
c: -20 N*s
For every action there is an
equal and opposite reaction
Gravitational and Newton’s 3rd - $100
c: 100 N
For every action there is an
equal and opposite reaction,
Newton’s 3rd Law
Newton’s 3rd and Friction - $200
d: 9.8 N
F = ma
2
= (1kg) 9.8 m/s
Newton’s 3rd and Friction - $300
a: 10 N
Friction is the force opposite the
motion of the object. Constant
speed means that the system is
in equilibrium.
Newton’s 3rd and Friction - $400
b: 6N
Friction is the force opposite
the motion of the object.
Constant speed means that the
system is in equilibrium.
Newton’s 3rd and Friction - $500
b: 2
2
m/s
F
= ma
6N = 3kg ( a)
2 m/s2 = a
FINAL
CATEGORY:
Momentum
Place you Bet now
FINAL CATEGORY
If a Baseball bat is reduced in
mass by drilling out the center,
List 3 momentum factors that
are changed by swinging this
new bat. Be specific on details.
FINAL CATEGORY
1. Mass of the bat
2. Final velocity of the bat
3. Time of contact between the
bat and ball
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