Questions Asked on January 23, 2023

Which type of surface would best reflect light
1. 5 answers
2. asked by Amy
3. 2,666 views
The mass of maize flour to the nearest 10grams is 8.67kg Determine the percentage error in this measurements
1. 1 answer
2. 192 views
When drawn on a coordinate plane with the x-axis as the baseline, a wave with a crest that is closer to the baseline has a
1. 5 answers
2. asked by goodog
3. 543 views
5v=11+3u2u+7v=3 Solve with elimination method
1. 3 answers
2. asked by Temitope
3. 360 views
Parallel light waves bounce off a smooth surface. Which behavior of light does this describe?(1 point)Responses superposition
1. 0 answers
2. asked by the real BARNY THE DINO :)
3. 162 views
Parallel light waves bounce off a smooth surface. Which behavior of light does this describe?(1 point)Responses superposition
1. 1 answer
2. asked by the real BARNY THE DINO :)
3. 188 views
Which statement explains why white objects appear white and black objects appear black?(1 point)Responses White objects absorb
1. 1 answer
2. asked by the real BARNY THE DINO :)
3. 263 views
5/5-2/5
1. 1 answer
2. asked by Andrew M Daykpeh
3. 74 views
Which statement correctly describes the refraction of light?(1 point)Responses As light waves enter a different medium, they
1. 0 answers
2. asked by the real BARNY THE DINO :)
3. 154 views
Which statement correctly describes the refraction of light?(1 point)Responses As light waves enter a different medium, they
1. 1 answer
2. asked by the real BARNY THE DINO :)
3. 199 views
1/2+3/8
1. 2 answers
2. asked by Andrew M Daykpeh
3. 74 views
Which type of wave needs a medium to travel?(1 point)Responses sound waves, because they travel by oscillating molecules sound
1. 1 answer
2. asked by the real BARNY THE DINO :)
3. 209 views
What do both sound and light waves transfer?(1 point)Responses energy energy electricity electricity air air matter
1. 1 answer
2. asked by the real BARNY THE DINO :)
3. 104 views
What do both sound and light waves transfer?(1 point)Responses energy energy electricity electricity air air matter PLzzz give
1. 1 answer
2. asked by the real BARNY THE DINO :)
3. 113 views
How does an increase in amplitude affect sound and light waves?(1 point)Responses louder sound and longer wavelengths for light
1. 0 answers
2. asked by the real BARNY THE DINO :)
3. 212 views
How does an increase in amplitude affect sound and light waves?(1 point)Responses louder sound and longer wavelengths for light
1. 1 answer
2. asked by the real BARNY THE DINO :)
3. 133 views
1/2+3/8Please solve step by step
1. 2 answers
2. asked by Andrew M Daykpeh
3. 72 views
What happens to the wavelength when the frequency increases?(1 point)Responses The wavelength decreases. The wavelength
1. 8 answers
2. asked by the real BARNY THE DINO :)
3. 172 views
Wave Characteristics Quick Check5 of 55 of 5 Items Question Which of the following is true about sound waves? (1 point)
1. 3 answers
2. asked by the real BARNY THE DINO :)
3. 371 views
A person moves away from a stationary sound source. Which phrase describes the sound perceived by the person?(1 point)Responses
1. 0 answers
2. asked by the real BARNY THE DINO :)
3. 298 views
A person moves away from a stationary sound source. Which phrase describes the sound perceived by the person?(1 point)Responses
1. 1 answer
2. asked by the real BARNY THE DINO :)
3. 293 views
Which image corresponds to what moment in time?(1 point) Responses The low-pitched sound corresponds to the sound source moving
1. 1 answer
2. asked by the real BARNY THE DINO :)
3. 207 views
Sound Wave Phenomena Quick Check3 of 53 of 5 Items Question A stationary source produces a sound wave at a frequency of 100 Hz.
1. 1 answer
2. asked by the real BARNY THE DINO :)
3. 438 views
When a guitar string is plucked, what part of the standing wave is found at the fixed ends of the string?(1 point)Responses the
1. 1 answer
2. asked by the real BARNY THE DINO :)
3. 135 views
A person is singing in the shower. They notice that as certain notes become very loud, the shower walls vibrate. Which statement
1. 2 answers
2. asked by the real BARNY THE DINO :)
3. 184 views
A piano tuner hears a beat frequency when using a tuning fork to tune a piano wire. The piano tuner should adjust the tension in
1. 1 answer
2. asked by the real BARNY THE DINO :)
3. 167 views
n which case will a beat frequency most likely occur?(1 point)Responses two of the same instrument playing notes at the same
1. 1 answer
2. asked by the real BARNY THE DINO :)
3. 121 views
How can a person sing into a piano and cause a piano wire to vibrate?(1 point)Responses The person sings at the same frequency
1. 0 answers
2. asked by the real BARNY THE DINO :)
3. 122 views
How can a person sing into a piano and cause a piano wire to vibrate?(1 point)Responses The person sings at the same frequency
1. 1 answer
2. asked by the real BARNY THE DINO :)
3. 137 views
What term is used to describe the combination of two traveling waves in the same material, which can be constructive or
1. 1 answer
2. asked by the real BARNY THE DINO :)
3. 146 views
The wires in a piano vibrate, but fractions of the wire also vibrate at different frequencies than the whole wire. What is the
1. 1 answer
2. asked by the real BARNY THE DINO :)
3. 138 views
Which characteristic is defined as the distance traveled by a wave crest in a given time?(1 point)Responses frequency frequency
1. 1 answer
2. asked by the real BARNY THE DINO :)
3. 229 views
Which term describes the distance from the crest of a wave to the next crest?(1 point)Responses speed speed amplitude amplitude
1. 1 answer
2. asked by the real BARNY THE DINO :)
3. 259 views
Which wave measure is changing by the greatest amount in the image?(1 point) Responses amplitude amplitude speed speed frequency
1. 1 answer
2. asked by the real BARNY THE DINO :)
3. 215 views
A surfer talks about riding a 20-foot wave. Which measurement of waves is the surfer describing?(1 point)Responses amplitude
1. 1 answer
2. asked by the real BARNY THE DINO :)
3. 185 views
Excerpt from Angelina Emily Grimke’s Letter XII, October 2, 1837The investigation of the rights of the slave has led me to a
1. 1 answer
2. asked by key
3. 136 views
There are pros and cons to both e readers and paper books do you think the pros outweigh the cons more for modern electronic
1. 1 answer
2. asked by the real BARNY THE DINO :)
3. 152 views
By volume, one alloy is 60% copper, 30% zinc and 10% nickel. A second alloy is 50% copper, 30% zinc and 20% nickel. The third
1. 1 answer
2. asked by Michael
3. 211 views
Unit 1 lesson 8
1. 1 answer
2. asked by Harlie
3. 64 views
1. Find the lateral area of a cone with a radius of 7 ft. and a slant height of 13 ft. Use 3.14 for n (1 point and round to the
1. 1 answer
2. asked by Harlie
3. 286 views
Read the text.When fish waste builds in a tank, ammonia levels endanger the fish. Creating an aquaponic system eliminates the
1. 1 answer
2. 102 views
Review the text.When fish waste builds in a tank, ammonia levels endanger the fish. Creating an aquaponic system eliminates the
1. 1 answer
2. 114 views
A gardener uses a wheelbarrow to move 20 kilograms of soil from a compost pile to a flower bed, a distance of 53 meters. The
1. 2 answers
2. asked by the real BARNY THE DINO :)
3. 392 views
Read the text.As residents of Riverside, we should all think about where we shop and what happens to our money after it hits the
1. 1 answer
2. 111 views
Review the text.As residents of Riverside, we should all think about where we shop and what happens to our money after it hits
1. 1 answer
2. 137 views
A gardener uses a wheelbarrow to move 20 kilograms of soil from a compost pile to a flower bed, a distance of 53 meters. The
1. 1 answer
2. asked by the real BARNY THE DINO :)
3. 403 views
A mechanic wants to use a compound pulley to lift a go-kart from the ground to work table, a distance of 1.2 meters. Without the
1. 1 answer
2. asked by the real BARNY THE DINO :)
3. 825 views
What is the advantage of class 3 lever?(1 point)Responses It increases the mechanical advantage compared with other levers. It
1. 1 answer
2. asked by the real BARNY THE DINO :)
3. 177 views
What is the advantage of class 3 lever?(1 point)Responses It increases the mechanical advantage compared with other levers. It
1. 5 answers
2. asked by the real BARNY THE DINO :)
3. 339 views
Gardeners would need to use 960 Newtons of force to lift a potted tree 45 centimeters onto a deck. Instead, they set up a lever.
1. 1 answer
2. asked by the real BARNY THE DINO :)
3. 237 views
A team of students builds a lever as a science project. They expend 10,300 Joules of energy to lift some bricks with the lever.
1. 2 answers
2. asked by the real BARNY THE DINO :)
3. 331 views
The gravitational force of a lunar rover is 1,607.2 Newtons on Earth. What will the rover’s gravitational force be on the
1. 1 answer
2. asked by the real BARNY THE DINO :)
3. 171 views
Which sentence best describes how a self-directed learner might investigate gravity?(1 point)Responses She would only repeat a
1. 1 answer
2. asked by the real BARNY THE DINO :)
3. 437 views
Which sentence best describes a self-directed learner?(1 point)Responses She always gets good grades. She always gets good
1. 0 answers
2. asked by the real BARNY THE DINO :)
3. 146 views
Which sentence best describes a self-directed learner?(1 point)Responses She always gets good grades. She always gets good
1. 1 answer
2. asked by the real BARNY THE DINO :)
3. 202 views
Which student is using innovative problem-solving to investigate potential energy and kinetic energy?(1 point)Responses Meghan
1. 1 answer
2. asked by the real BARNY THE DINO :)
3. 306 views
How much more kinetic energy does a 6-kilogram bowling ball have when it is rolling at 16 mph (7.1 meters per second) than when
1. 1 answer
2. asked by the real BARNY THE DINO :)
3. 181 views
Where do the forces that make atoms interact come from?(1 point)Responses from the electric fields of neutral subatomic
1. 3 answers
2. asked by the real BARNY THE DINO :)
3. 272 views
Where do the forces that make atoms interact come from?(1 point)Responses from the electric fields of neutral subatomic
1. 3 answers
2. asked by the real BARNY THE DINO :)
3. 267 views
When two charged particles are moving toward each other, their velocities decrease until they eventually come to a stop. What
1. 0 answers
2. asked by the real BARNY THE DINO :)
3. 171 views
When two charged particles are moving toward each other, their velocities decrease until they eventually come to a stop. What
1. 1 answer
2. asked by the real BARNY THE DINO :)
3. 172 views
Physical Science B Semester Exam13 of 3013 of 30 Items Question A bar magnet is held in place while another bar magnet is placed
1. 1 answer
2. asked by the real BARNY THE DINO :)
3. 272 views
Which of the following factors would decrease the magnetic field strength of an electromagnet?(1 point)Responses increasing the
1. 1 answer
2. asked by the real BARNY THE DINO :)
3. 115 views
Which of the following factors would decrease the magnetic field strength of an electromagnet?(1 point)Responses increasing the
1. 1 answer
2. asked by the real BARNY THE DINO :)
3. 203 views
Which of the following factors would decrease the magnetic field strength of an electromagnet?(1 point)Responses increasing the
1. 1 answer
2. asked by the real BARNY THE DINO :)
3. 175 views
What happens when thermal energy is applied to water?(1 point)Responses Its molecules gain kinetic energy. Its molecules gain
1. 1 answer
2. asked by the real BARNY THE DINO :)
3. 273 views
what is your name
1. 2 answers
2. asked by Ashley Meeker
3. 96 views
What is the relationship between heat and thermal conductors?(1 point)Responses Thermal conductors allow all of the thermal
1. 1 answer
2. asked by the real BARNY THE DINO :)
3. 380 views
Write the beginning and ending of these letters sound:Cake Axe Bag Hat Cat Fan Ball Pig Frog Drum Cheese Girl Iron Leaf House
1. 1 answer
2. asked by Andrew M Daykpeh
3. 88 views
Which scenario shows radiation?(1 point)Responses Eggs boil in a pot of water. Eggs boil in a pot of water. The air under a
1. 1 answer
2. asked by the real BARNY THE DINO :)
3. 618 views
Which pair of objects will have an attractive electric force?Pair Object 1 Charge Object 2 Charge A -2 -1 B -3 +1 C +3 +1 D +1
1. 63 answers
2. asked by the real BARNY THE DINO :)
3. 469 views
Excerpt from a statement by Pedro de Peralta, Governor of New Mexico, 1610Let no one argue with vain words that I do not have
1. 1 answer
2. asked by key
3. 124 views
How does the structure of atoms in a substance determine the substance’s conductivity?(1 point)Responses If an atom’s
1. 1 answer
2. asked by the real BARNY THE DINO :)
3. 265 views
Students build four electromagnets and test them by picking up metal tacks. Here are their partial results.12 coils 4 tacks 24
1. 1 answer
2. asked by the real BARNY THE DINO :)
3. 202 views
How do electromagnets cause a maglev train to levitate above the track? (1 point)Responses Magnets in the sides of the tracks
1. 1 answer
2. asked by the real BARNY THE DINO :)
3. 349 views
Physical Science B Semester Exam23 of 3023 of 30 Items Question Use the ray diagram for a lens to answer the question. The
1. 1 answer
2. asked by the real BARNY THE DINO :)
3. 529 views
Excerpt from an essay by William Penn, 1675I shall not at this time make it my Business to manifest the Inconsistency that there
1. 1 answer
2. asked by key
3. 181 views
What happens to sound waves from an object as it moves toward you?(1 point)Responses The pitch gets lower because of an increase
1. 1 answer
2. asked by the real BARNY THE DINO :)
3. 239 views
Excerpt from a letter by Thomas Oliver to Queen Anne, 1708It's nothing short of Twenty years, That your Majesty's good Subjects
1. 1 answer
2. asked by key
3. 258 views
A sound has a higher pitch than a bell. Which quantity must also be higher in this sound than in the bell?(1 point)Responses
1. 1 answer
2. asked by the real BARNY THE DINO :)
3. 194 views
Excerpt from a Statement by Cherokee Chief Ostenaco, 1765The bloody tomahawk, so long lifted against our brethren the English,
1. 1 answer
2. asked by key
3. 192 views
Which statement regarding sound traveling in air is correct?(1 point) Responses A wave with a shorter wavelength is always
1. 1 answer
2. asked by the real BARNY THE DINO :)
3. 278 views
Excerpt from Letter 2 by John Dickinson, 1767The parliament unquestionably possesses a legal authority to regulate the trade of
1. 1 answer
2. asked by key
3. 189 views
Which statement about the effect of temperature on the speed of sound is correct?(1 point)Responses As temperature increases,
1. 1 answer
2. asked by the real BARNY THE DINO :)
3. 360 views
Excerpt from the Declaration of Independence, 1776But when a long train of abuses and usurpations, pursuing invariably the same
1. 1 answer
2. asked by key
3. 216 views
Which forms of electromagnetic radiation are arranged in order of increasing energy?(1 point) Responses microwaves, ultraviolet,
1. 1 answer
2. asked by the real BARNY THE DINO :)
3. 325 views
A student is using a weak computer to design a logo. If the weak computer is the only constraint, should the student use the
1. 1 answer
2. asked by the real BARNY THE DINO :)
3. 195 views
A student is using a weak computer to design a logo. If the weak computer is the only constraint, should the student use the
1. 0 answers
2. asked by the real BARNY THE DINO :)
3. 204 views
A student is using a weak computer to design a logo. If the weak computer is the only constraint, should the student use the
1. 1 answer
2. asked by the real BARNY THE DINO :)
3. 251 views
Excerpt from the Declaration of Independence, 1776But when a long train of abuses and usurpations, pursuing invariably the same
1. 1 answer
2. asked by key
3. 376 views
What challenges/obstacles did Martin Luther King Jr. face? Please remember it should be brief (one sentence) with commas.
1. 1 answer
2. 121 views
What challenges/obstacles did Martin Luther King Jr. face? Please remember it should be brief (one sentence) with commas.
1. 1 answer
2. 150 views
Why are drawings and sketches a good form of note-taking? (1 point)
1. 1 answer
2. asked by Harlie
3. 328 views
Excerpt from an essay by Judith Sargent Murray, 1784I THINK, to teach young minds to aspire, ought to be the ground work of
1. 1 answer
2. asked by key
3. 162 views
Excerpt from a letter by Benjamin Lincoln to George WashingtonThe proportion of debtors run high in this State. Too many of them
1. 1 answer
2. asked by key
3. 123 views
Article 1, Section 2, Clause 3 of the United States Constitution, 1787Representatives and direct taxes shall be apportioned
1. 1 answer
2. asked by key
3. 132 views
What challenges/obstacles did Martin Luther King Jr. face besides his Civil Rights Movement. Please remember it should be brief
1. 1 answer
2. 113 views
Was Martin Luther King Jr. in poverty as a young man and then he eradicating poverty?
1. 1 answer
2. 90 views
Excerpt from a letter by Roger Sherman, 1790The assumption of the debts of the several states incurred for the common defense
1. 1 answer
2. asked by key
3. 167 views
Excerpt from a letter by Roger Sherman, 1790The assumption of the debts of the several states incurred for the common defense
1. 1 answer
2. asked by key
3. 127 views

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