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Questions and answers by visitors named
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Questions (79)
Set up, but do not evaluate, a definite integral representing the volume of the
solid formed by revolving the region of the plane
3 answers
576 views
Find the GCF of the two numbers, and rewrite the sum of the two numbers using the distributive property.
14 + 24 Responses A 4(10
4 answers
87 views
What is the initial height h = -16t^(2) + 20t + 50
-16 0 20 50
1 answer
9 views
What do waves transfer?
Transfers - Metro Transit a energy b matter c particles d vibrations
1 answer
11 views
Which of the following would NOT be an example of a longitudinal wave?
Teacher: What is a longitudinal wave Me: - Matrix Morpheus
1 answer
10 views
Which part of the wave is labeled B?
a amplitude b wavelength c crest d trough
1 answer
10 views
What is the wavelength of a 20 Hz periodic wave moving at 40 m/s?
Use the equation below! a 80 m b 0.5 m c 2 m d 800 m
1 answer
9 views
Use the equation below!
a 0.5 Hz b 8 Hz c 2 Hz d 32 Hz
1 answer
10 views
If the wavelength of a wave is 4 m, and the wave velocity is 8 m/s, then the frequency is _______?
Use the equation below! a 0.5
1 answer
9 views
Which of the following are examples of work being done on an object? Choose the 4 that apply.
This meme took a lot of WORK to
1 answer
12 views
Machines were invented to have a mechanical advantage, so the work output is always __________ than the work input.
a harder b
1 answer
15 views
By sharpening a wedge, you _______________ the machine’s mechanical advantage.
a Do not affect b Increase c Lose d Decrease
1 answer
8 views
Taylor says he likes using simple machines because they do his work for him. Alicia says that simple machines only help do the
1 answer
14 views
Which force accounts for the difference between mass and weight?
a Gravitational force b Magnetic force c Air resistance force d
1 answer
9 views
A backpack full of books and an empty backpack are dropped from the same height. If there is no air resistance, which bag will
1 answer
10 views
The strength of gravity between two objects depends on:
a The Mass of the objects and the distance between the two objects b
1 answer
12 views
Calculate the weight of an object with a mass of 50 kg on a planet with an acceleration due to gravity of 2.0 m/s2.
a 52 N b .04
1 answer
9 views
The force of gravity on different planets is shown in the table below. Place the objects below in order, from smallest weight to
1 answer
6 views
If a feather and a baseball are dropped in the presence of air resistance, which ball will hit the ground first?
a they will hit
1 answer
12 views
Kinetic energy depends on the ____________ and velocity of an object.
a weight b acceleration c motion d mass
1 answer
16 views
Potential energy depends on mass, gravitational pull, and ___________________ of an object.
a velocity b acceleration c height d
1 answer
10 views
What is the potential energy of an object that has a mass of 115 kg and is 6 meters high?
a 676.2 J b 1380 J c 130.8 J d 6762 J
1 answer
9 views
Juliet wants to significantly increase the amount of kinetic energy of her bowling ball in order to increase her chances of
1 answer
9 views
Maria makes an electromagnet shown in the figure below. The battery has a voltage of 6.0V, and she uses an iron nail. Which of
1 answer
11 views
The diagram shows the result when a student placed a magnet under a piece of paper, then sprinkled iron shavings on the paper.
1 answer
14 views
Which of the following will decrease the electrical force between two charges? (Select all that apply)
a increasing the distance
1 answer
6 views
Which of the following will decrease the electrical force between two charges? (choose more than one)
a increasing the distance
1 answer
12 views
What do waves transfer?
Transfers - Metro Transit a matter b energy c vibrations d particles
1 answer
8 views
Light travels:
a in bendy lines b around corners c in curves d in straight lines
1 answer
10 views
Which of the following would NOT be an example of a longitudinal wave?
Teacher: What is a longitudinal wave Me: - Matrix Morpheus
1 answer
11 views
What is the wavelength of a 20 Hz periodic wave moving at 40 m/s?
Use the equation below! a 800 m b 80 m c 2 m d 0.5 m
1 answer
8 views
If the wavelength of a wave is 4 m, and the wave velocity is 8 m/s, then the frequency is _______?
Use the equation below! a 32
1 answer
8 views
Which of the following are examples of work being done on an object? Choose the 4 that apply.
This meme took a lot of WORK to
1 answer
10 views
Machines were invented to have a mechanical advantage, so the work output is always __________ than the work input.
a less b
1 answer
13 views
By sharpening a wedge, you _______________ the machine’s mechanical advantage.
a Increase b Do not affect c Lose d Decrease
1 answer
9 views
Taylor says he likes using simple machines because they do his work for him. Alicia says that simple machines only help do the
1 answer
11 views
A backpack full of books and an empty backpack are dropped from the same height. If there is no air resistance, which bag will
1 answer
11 views
The strength of gravity between two objects depends on:
a Mass of the objects and the volume of the objects b Weight of the
1 answer
12 views
The force of gravity on different planets is shown in the table below. Place the objects below in order, from smallest weight to
1 answer
6 views
Kinetic energy depends on the ____________ and velocity of an object.
a weight b acceleration c mass d motion
1 answer
15 views
Potential energy depends on mass, gravitational pull, and ___________________ of an object.
a acceleration b height c force d
1 answer
9 views
What is the kinetic energy of a 200 kg object that is moving at a velocity of 15 m/s?
\large KE=\frac{1}{2}mv^2 a 215 J b 3000 J
1 answer
10 views
What is the potential energy of an object that has a mass of 115 kg and is 6 meters high?
a 6762 J b 676.2 J c 130.8 J d 1380 J
1 answer
8 views
Juliet wants to significantly increase the amount of kinetic energy of her bowling ball in order to increase her chances of
1 answer
10 views
Maria makes an electromagnet shown in the figure below. The battery has a voltage of 6.0V, and she uses an iron nail. Which of
1 answer
12 views
The diagram shows the result when a student placed a magnet under a piece of paper, then sprinkled iron shavings on the paper.
1 answer
9 views
Which of the following will decrease the electrical force between two charges? (Select all that apply)
a decreasing the distance
1 answer
10 views
A student places a skillet on a stove. After heating for 10 minutes, the student removes the skillet from stove. Which describes
1 answer
13 views
A student holds an ice cube in her hand. Which of the following BEST describes the movement of heat that will happen?
a Cold will
1 answer
8 views
The picture shows the solar panels that power all of the appliances in Joaquin's house.
Joaquin is using his oven to bake cookies
1 answer
10 views
Which of the following would be an example of an insulator?
a tin can b cooking pan c Styrofoam cooler d copper wire
1 answer
8 views
The pictures show four items from around the house that transform energy.
Match each object with the correct type of energy
1 answer
7 views
Which statement below best describes the electrical force between the two charged objects.
a Object A is negatively charged and
1 answer
11 views
An electric appliance draws 3 amperes of current when it is connected to a 24-volt source. What is the resistance of this
1 answer
11 views
You are throwing an egg from a building on earth that is 45 feet above ground. The egg will be thrown straight up at a velocity
1 answer
11 views
A rock is thrown from one side of a river to another. The function
gives the height in inches of the rock t seconds after it has
1 answer
10 views
A rock is thrown from one side of a river to another. The function
gives the height in inches of the rock t seconds after it has
1 answer
9 views
A rock is thrown from one side of a river to another. The function h(t) = - 16t^2+80t+30
gives the height in inches of the rock t
1 answer
9 views
Algebra B 4.4 Quiz Retake
15 of 2115 of 21 Items Question POSSIBLE POINTS: 5 Put responses in the correct input to answer the
1 answer
10 views
A baseball is thrown into the air and its trajectory can be modeled by the function h(t)=-16t^2+64t+6
. How long will it take the
1 answer
12 views
Compare the two functions below. Answers may be used more than once.
Function 1: Function 2: x y 2 0 3 4 4 8 5 12 What is the
1 answer
10 views
Solve for x. Select all solutions.
x^2-49=0 Responses 0 49 7 7 -7
1 answer
9 views
Solve for x. Select all solutions of x.
(x-3)^2-64=0 Responses negative 5 11 11 3 -11 -11 5
1 answer
7 views
When factoring 2x^2-13x+21
, what do we replace the middle term with? Responses 6 x plus 7 x negative 10 x minus 3 x negative 6 x
1 answer
6 views
Which line shows the correct and complete distribution for the problem below?
Responses 2 x times 3 plus 3 x times negative 1 2 x
1 answer
8 views
Which line shows the correct and complete distribution for the problem below? (2x+3)(3x-1)
Responses 2 x times 3 plus 3 x times
1 answer
10 views
Algebra B 3.9 Test Retake
5 of 155 of 15 Items Question POSSIBLE POINTS: 1 The perimeter of the shape below is 21x^2-5x+4 . Find
1 answer
9 views
The perimeter of the shape below is 21x^2-5x+4
. Find the length of the missing side. Responses 4x^2-8 4x^2+5 14x^2-12x+8
1 answer
8 views
The directions to a problem state that you are to factor the algebraic expression. What is your first step?
Responses Determine
1 answer
7 views
Answer the following give the expression. Answer options may be used more than once or not at all. 7x^5−5x^4+x^3−2x^2+6 (6
1 answer
9 views
You use a line of best fit for 5 different sets of data to make a prediction about an unknown value. The correlation coefficient
1 answer
8 views
Meteorologists in a seaside town wanted to understand how their annual rainfall is affected by the temperature of coastal
1 answer
8 views
Pierce isn't getting enough sleep and suspects it is due to spending too much time on his phone before bed. Over the next
1 answer
7 views
a rock is thrown from one side of a river to another. The function h (t) = -16t^2 + 80t + 30 gives the height in inches of the
3 answers
14 views
A baseball is thrown into the air and its trajectory can be modeled by the function h(t)=-16t^2+64t+6
. How long will it take the
1 answer
6 views
Compare the two functions below. Answers may be used more than once.
Function 1: Function 2: x y 2 0 3 4 4 8 5 12 What is the
1 answer
8 views
Compare the two functions below. Answers may be used more than once.
Function 1: Function 2: x y 2 0 3 4 4 8 5 12 What is the
1 answer
9 views
Identify the sentence in which the underlined verb does not agree with its subject.
A. Chance and Martina are listening to the
1 answer
7 views
Which of the following statement is NOT true about machines?
a Machines decrease the amount of work that is done. b Machines
1 answer
8 views
