4219959
Questão 1
Questão
Define acceleration
Responda
-
The rate of change of an object velocity
-
All forces combined acting on an object
-
The rate at which an object changes its position
-
Push or pull
-
The resistance an object has a change its motion
-
The rate an object Covers distance "how fast?"
Questão 2
Questão
Define velocity
Responda
-
The rate of change of an objects velocity
-
All forces combined acting on an object
-
The rate at which an object changes its position
-
Push or a pull
-
The resistance an object has to change its motion
-
The rate an object covers distance "how fast?"
Questão 3
Questão
Define inertia
Responda
-
The rate of change of an objects velocity
-
All forces combined acting on an object
-
The rate at which an object changes its position
-
Push or a pull
-
The resistance and object has to change its motion
-
The rate an object covers distance "how fast?"
Questão 4
Questão
Define net force
Responda
-
The rate of change of an objects velocity
-
All forces combined acting on an object
-
The rate at which an object changes its position
-
Push or a pull
-
The resistance and object has to change its motion
-
The rate an object covers distance "how fast?"
Questão 5
Questão
Define force
Responda
-
The rate of change of an objects velocity
-
All forces combined on an object
-
The rate at which an object changes position
-
Push or a pull
-
The resistance on an object has to change its motion
-
The rate an object covers distance "how fast?"
Questão 6
Questão
Define speed
Responda
-
The rate of change of an objects velocity
-
All forces combined acting on an object
-
The rate at which an object changes its position
-
Push or a pull
-
No resistance an object has the change its motion
-
The rate an object covers distance "how fast?"
Questão 7
Questão
A person walks 3.5 mph
Responda
-
Speed
-
Velocity
-
Acceleration
Questão 8
Questão
A bike goes 30 m/s toward town
Responda
-
Speed
-
Velocity
-
Acceleration
Questão 9
Questão
A greyhound dog can run about 40 mph
Responda
-
Speed
-
Velocity
-
Celebration
Questão 10
Questão
Monarch butterflies fly 12 mph south as they migrate
Responda
-
Speed
-
Velocity
-
Acceleration
Questão 11
Questão
A car slows from 60 m/h to 25 mph
Responda
-
Speed
-
Velocity
-
Acceleration
Questão 12
Questão
A car turns left while maintaining the same speed
Responda
-
Speed
-
Velocity
-
Acceleration
Questão 13
Questão
A trick from Austin to Dallas takes about three hours going 65 mph north
Responda
-
Speed
-
Velocity
-
Acceleration
Questão 14
Questão
Canadian geese fly approximately 75 mph
Responda
-
Speed
-
Velocity
-
Acceleration
Questão 15
Questão
A car increases speed from 70 mph to 65 mph
Responda
-
Speed
-
Velocity
-
Acceleration
Questão 16
Responda
- True
- False
Questão 17
Responda
- True
- False
Questão 18
Responda
- True
- False
Questão 19
Responda
- True
- False
Questão 20
Responda
- True
- False
Questão 21
Responda
- True
- False
Questão 22
Questão
What is Newton's first law? give example.
Responda
-
And object are at rest remains at rest and object in motion remains in motion unless acted on by all unbalanced force
-
F=m(a) all forces are unbalanced and the object has accleration which depends on net force and mass of an object
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For every action there is an opposite and equal reaction
Questão 23
Questão
What is newtons 2nd law?
Responda
-
An object at rest remains at rest and object in motion remains in motion unless acted on by an unbalanced force
-
All forces are in balance and the object has acceleration which depends on the net force and mass of the object F = M(a)
-
For every action there is an opposite and equal reaction
Questão 24
Questão
What is newtons third law
Responda
-
An object at rest remains at rest and object in motion remains in motion unless acted on by an unbalanced force
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all forces are unbalanced and the object has acceleration which depend on net force mass of an object f=m(a)
-
Every action there is an opposite and equal reaction
Questão 25
Questão
What sign is force?
Responda
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N or F
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A
-
M
Questão 26
Questão
What sign is acceleration
Responda
-
N or F
-
A
-
M
Questão 27
Questão
What is the sign for mass
Responda
-
N or F
-
A
-
M
Questão 28
Questão
What is the equation used to find speed
Responda
-
S =A/T
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S=A(T)
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S=M(A)
Questão 29
Questão
If a person pulls on a cart to the right with a force of 20 N and a second person pulls to the left with a force of 15N what is the net force and direction of the cart?
Responda
-
5N to the right
-
5N to the left
-
8N to the right
Questão 30
Questão
If a person is pushing a cart 40 N and It accelerate .5 m/s^2 what is the mass of the cart
Responda
-
8 kg
-
.5 kg
-
67kg
Questão 31
Questão
What is the acceleration of a 2 kg rock that is thrown at the force of 15 N
Responda
-
8 m/s^2
-
1.5 m/s^2
-
3000 m/s^2
Questão 32
Questão
I want to 150 kg object is accelerating at the rate of 20 m/s calculate the force needed to produce this acceleration
Responda
-
25 N
-
3000N
-
300N
Questão 33
Questão
A car travels 2.5 hours in at northerly direction for 300 km determine the car speed and the velocity
Responda
-
80 kilometers per hour North
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3000 kilometers per hour North
-
120 kilometer Per hour North
Questão 34
Responda
-
Fast
-
Stationary
-
Slow
Questão 35
Questão
Which graph segments that the following
Constant speed : [blank_start]B[blank_end]
Deceleration : [blank_start]C[blank_end]
Accelerating : [blank_start]A[blank_end]
Responda
-
B
-
C
-
A
-
D
Questão 36
Responda
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Proton
-
Neutron
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electron
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+
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0
-
-
-
Inside
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Inside
-
Outside
Questão 37
Questão
Proton is [blank_start]1AMU[blank_end]
Neutron is [blank_start]1AMU[blank_end]
Electrons is [blank_start].0008AMU[blank_end]
Responda
-
1AMU
-
.0008AMU
-
1AMU
Questão 38
Questão
Ape A= [blank_start]ATomic number[blank_end] P= [blank_start]Protons[blank_end] E= [blank_start]Electrons[blank_end] Are the same in a [blank_start]neutral[blank_end] atom
Man M= [blank_start]Mass number[blank_end] -A= [blank_start]ATomic mass[blank_end]=N= [blank_start]Neutrons[blank_end]
Responda
-
ATomic number
-
Protons
-
Electrons
-
neutral
-
Mass number
-
Neutrons
-
ATomic mass
Questão 39
Questão
Label with these words: metals, nonmetals, metalloids, periods, groups, horizontal, vertical, most reactive, and least reactive.
Responda
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Metals
-
Non-metal
-
Metalloids
-
Periods
-
Groups
-
Horizontal
-
Vertical
-
Most reactive
-
Least reactive
Questão 40
Responda
-
Cl
-
Na
-
Mg
-
17
-
11
-
12
-
35
-
23
-
24
-
17
-
11
-
12
-
18
-
12
-
12
-
17
-
12
-
12
-
2
-
2
-
2
-
8
-
8
-
8
-
7
-
1
-
2
Questão 41
Questão
What is the atomic number of the Atom? [blank_start]3[blank_end]
What is the mass number of the Atom? [blank_start]7[blank_end]
What is the name of the element represented? [blank_start]Lithium[blank_end]
What is the chemical symbol of the element? [blank_start]Li[blank_end]
Responda
-
7
-
3
-
Lithium
-
Li
Questão 42
Questão
the group with 7 valance electrons is halogens
Responda
- True
- False
Questão 43
Questão
Group 8 on the periodic table is alkali metals
Responda
- True
- False
Questão 44
Questão
Which not belong?
Responda
-
Vertical column
-
Group
-
Period
-
Valance electrons
Questão 45
Questão
Which does not belong
Responda
-
Group
-
Period
-
Seven
-
Horizontal rows
Questão 46
Questão
Which does not belong
Responda
-
Neon
-
Nitrogen
-
Helium
-
Argon
Questão 47
Questão
Which does not belong
Responda
-
Nonmetal
-
Oxygen
-
Gain electrons
-
Calcium
Questão 48
Questão
Which does not belong
Responda
-
Copper
-
Silver
-
Zinc
-
Gold
Questão 49
Questão
Which does not belong
Responda
-
Silver
-
Nickel
-
Cobalt
-
Iron
Questão 50
Questão
Electron name: [blank_start]helium[blank_end]
Protons: [blank_start]2[blank_end]
Electrons: [blank_start]2[blank_end]
Neutrons: [blank_start]2[blank_end]
Valence electrons: [blank_start]2[blank_end]
Responda
-
helium
-
2
-
2
-
2
-
2
Questão 51
Questão
Element name: [blank_start]neon[blank_end]
Protons: [blank_start]10[blank_end]
Electrons: [blank_start]10[blank_end]
Neutrons: [blank_start]10[blank_end]
Valence electrons: [blank_start]eight[blank_end]
Responda
-
eight
-
neon
-
10
-
10
-
10
Questão 52
Questão
Element name: [blank_start]fluoride[blank_end]
Protons: [blank_start]nine[blank_end]
Electrons: [blank_start]nine[blank_end]
Neutrons: [blank_start]10[blank_end]
Valence electrons: [blank_start]seven[blank_end]
Responda
-
fluoride
-
seven
-
nine
-
nine
-
10
Questão 53
Questão
the subscript indicates the number of molecules
Responda
- True
- False
Questão 54
Questão
the coefficient indicates the number of molecules
Responda
- True
- False
Questão 55
Questão
How many of each atom are in theses formulas
Responda
-
Carbon
-
6
-
Hydrogen
-
12
-
Oxygen
-
10
-
Hydrogen
-
4
-
Oxygen
-
7
Questão 56
Questão
How many of each Atoms are in the formulas
Responda
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Calcium
-
Hydrogen
-
Potassium
-
Oxygen
-
1
-
2
-
1
-
4
-
Magnesium
-
Oxygen
-
Hydrogen
-
3
-
3
-
6
Questão 57
Responda
-
Yes
-
No carbon destroyed and oxygen created
Questão 58
Questão
1. Identify each substance by name
2. Determine if substance is an element or compound
3. Tell if substance is a symbol or formula
4. Decide if substance is an Atom or molecule
Responda
-
Oxygen
-
Oxygen
-
Carbon dioxide
-
Ammonia
-
Chlorine
-
✔️
-
✖️
-
✖️
-
✖️
-
✖️
-
✖️
-
✔️
-
✔️
-
✖️
-
✖️
-
✖️
-
O
-
✖️
-
✖️
-
✖️
-
✖️
-
✖️
-
O2
-
CO2
-
NH3
-
Cl2
-
✔️
-
✖️
-
✖️
-
✖️
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