Pregunta 1
Pregunta
Define acceleration
Respuesta
-
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?"
Pregunta 2
Respuesta
-
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?"
Pregunta 3
Respuesta
-
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?"
Pregunta 4
Pregunta
Define net force
Respuesta
-
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?"
Pregunta 5
Respuesta
-
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?"
Pregunta 6
Respuesta
-
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?"
Pregunta 7
Pregunta
A person walks 3.5 mph
Respuesta
-
Speed
-
Velocity
-
Acceleration
Pregunta 8
Pregunta
A bike goes 30 m/s toward town
Respuesta
-
Speed
-
Velocity
-
Acceleration
Pregunta 9
Pregunta
A greyhound dog can run about 40 mph
Respuesta
-
Speed
-
Velocity
-
Celebration
Pregunta 10
Pregunta
Monarch butterflies fly 12 mph south as they migrate
Respuesta
-
Speed
-
Velocity
-
Acceleration
Pregunta 11
Pregunta
A car slows from 60 m/h to 25 mph
Respuesta
-
Speed
-
Velocity
-
Acceleration
Pregunta 12
Pregunta
A car turns left while maintaining the same speed
Respuesta
-
Speed
-
Velocity
-
Acceleration
Pregunta 13
Pregunta
A trick from Austin to Dallas takes about three hours going 65 mph north
Respuesta
-
Speed
-
Velocity
-
Acceleration
Pregunta 14
Pregunta
Canadian geese fly approximately 75 mph
Respuesta
-
Speed
-
Velocity
-
Acceleration
Pregunta 15
Pregunta
A car increases speed from 70 mph to 65 mph
Respuesta
-
Speed
-
Velocity
-
Acceleration
Pregunta 16
Pregunta
Is the net force 100N
Pregunta 17
Pregunta
The forceS are balanced
Pregunta 18
Pregunta
There is no movement
Pregunta 19
Pregunta
The net force is 20 N
Pregunta 20
Pregunta
The forces are balanced
Pregunta 21
Pregunta
It will move to the left 60 N
Pregunta 22
Pregunta
What is Newton's first law? give example.
Respuesta
-
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
-
For every action there is an opposite and equal reaction
Pregunta 23
Pregunta
What is newtons 2nd law?
Respuesta
-
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
Pregunta 24
Pregunta
What is newtons third law
Respuesta
-
An object at rest remains at rest and object in motion remains in motion unless acted on by an unbalanced force
-
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
Pregunta 25
Pregunta
What sign is force?
Pregunta 26
Pregunta
What sign is acceleration
Pregunta 27
Pregunta
What is the sign for mass
Pregunta 28
Pregunta
What is the equation used to find speed
Pregunta 29
Pregunta
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?
Respuesta
-
5N to the right
-
5N to the left
-
8N to the right
Pregunta 30
Pregunta
If a person is pushing a cart 40 N and It accelerate .5 m/s^2 what is the mass of the cart
Pregunta 31
Pregunta
What is the acceleration of a 2 kg rock that is thrown at the force of 15 N
Respuesta
-
8 m/s^2
-
1.5 m/s^2
-
3000 m/s^2
Pregunta 32
Pregunta
I want to 150 kg object is accelerating at the rate of 20 m/s calculate the force needed to produce this acceleration
Pregunta 33
Pregunta
A car travels 2.5 hours in at northerly direction for 300 km determine the car speed and the velocity
Respuesta
-
80 kilometers per hour North
-
3000 kilometers per hour North
-
120 kilometer Per hour North
Pregunta 34
Pregunta
What is happening at each point
Pregunta 35
Pregunta
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]
Pregunta 36
Pregunta
Complete the table
Respuesta
-
Proton
-
Neutron
-
electron
-
+
-
0
-
-
-
Inside
-
Inside
-
Outside
Pregunta 37
Pregunta
Proton is [blank_start]1AMU[blank_end]
Neutron is [blank_start]1AMU[blank_end]
Electrons is [blank_start].0008AMU[blank_end]
Pregunta 38
Pregunta
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]
Respuesta
-
ATomic number
-
Protons
-
Electrons
-
neutral
-
Mass number
-
Neutrons
-
ATomic mass
Pregunta 39
Pregunta
Label with these words: metals, nonmetals, metalloids, periods, groups, horizontal, vertical, most reactive, and least reactive.
Respuesta
-
Metals
-
Non-metal
-
Metalloids
-
Periods
-
Groups
-
Horizontal
-
Vertical
-
Most reactive
-
Least reactive
Pregunta 40
Pregunta
Complete the table
Respuesta
-
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
Pregunta 41
Pregunta
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]
Pregunta 42
Pregunta
the group with 7 valance electrons is halogens
Pregunta 43
Pregunta
Group 8 on the periodic table is alkali metals
Pregunta 44
Pregunta
Which not belong?
Respuesta
-
Vertical column
-
Group
-
Period
-
Valance electrons
Pregunta 45
Pregunta
Which does not belong
Respuesta
-
Group
-
Period
-
Seven
-
Horizontal rows
Pregunta 46
Pregunta
Which does not belong
Respuesta
-
Neon
-
Nitrogen
-
Helium
-
Argon
Pregunta 47
Pregunta
Which does not belong
Respuesta
-
Nonmetal
-
Oxygen
-
Gain electrons
-
Calcium
Pregunta 48
Pregunta
Which does not belong
Pregunta 49
Pregunta
Which does not belong
Respuesta
-
Silver
-
Nickel
-
Cobalt
-
Iron
Pregunta 50
Pregunta
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]
Pregunta 51
Pregunta
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]
Pregunta 52
Pregunta
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]
Respuesta
-
fluoride
-
seven
-
nine
-
nine
-
10
Pregunta 53
Pregunta
the subscript indicates the number of molecules
Pregunta 54
Pregunta
the coefficient indicates the number of molecules
Pregunta 55
Pregunta
How many of each atom are in theses formulas
Respuesta
-
Carbon
-
6
-
Hydrogen
-
12
-
Oxygen
-
10
-
Hydrogen
-
4
-
Oxygen
-
7
Pregunta 56
Pregunta
How many of each Atoms are in the formulas
Respuesta
-
Calcium
-
Hydrogen
-
Potassium
-
Oxygen
-
1
-
2
-
1
-
4
-
Magnesium
-
Oxygen
-
Hydrogen
-
3
-
3
-
6
Pregunta 57
Pregunta
Is this balanced?
Pregunta 58
Pregunta
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
Respuesta
-
Oxygen
-
Oxygen
-
Carbon dioxide
-
Ammonia
-
Chlorine
-
✔️
-
✖️
-
✖️
-
✖️
-
✖️
-
✖️
-
✔️
-
✔️
-
✖️
-
✖️
-
✖️
-
O
-
✖️
-
✖️
-
✖️
-
✖️
-
✖️
-
O2
-
CO2
-
NH3
-
Cl2
-
✔️
-
✖️
-
✖️
-
✖️