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Note: Enter your answer and show all the steps that you use to solve this problem and write your final answer in factored form
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Which statement is correct as a sound source moves toward a stationary observer?(1 point) Responses The speed and wavelength
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Which statement explains why white objects appear white and black objects appear black?(1 point) Responses White objects reflect
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At what two temperatures did the kinetic energy of the water molecules remain the same for a short period of time?
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A pot of water is heated on the stovetop. The water molecules closest to the burner rise in the pot when they gain thermal
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Which is an example where an egg is receiving thermal energy through convection?(1 point) Responses An egg cracked on a hot
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At what two temperatures did the kinetic energy of the water molecules remain the same for a short period of time? degrees
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A baker uses oven mitts to open an oven, take a loaf of bread out, and place it on a plate. In 3-4 sentences, describe what is
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A pot of water is heated on the stovetop. The water molecules closest to the burner rise in the pot when they gain thermal
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2. 64 views
Question Rank the following by Thermal Energy Top= highest thermal energy Bottom= lowest thermal energy (1 point) Arrange
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Factor out the greatest common factor. If the greatest common factor is 1, just retype the polynomial. 30u^5–45u^3
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Add. (6x+9)+(2x2+5x+5)
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Find the product. Simplify your answer. (3f–3)(2f+1)
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Find the product. Simplify your answer. (3f–3)(2f+1)
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In a well written paragraph (3-5 sentences)using the RACE strategy, answer the following question: Which character from The
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What contributed to Congress passing the Neutrality Acts in 1935, 1937, and 1939? (1 point) Responses Congress increased the
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How does a simmering pot of spaghetti sauce illustrate convection currents?(1 point) Responses Warmer sauce at the bottom of the
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Why does air in a room rise when it gains thermal energy from a heater? (1 point) Responses Its molecules move around more
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What is the relationship between a substance’s thermal energy and its kinetic energy?(1 point) Responses There is no
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n augmented interval is a (1 point) Responses half step larger than a perfect or major interval. half step larger than a perfect
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Two pitches played together form a (1 point)
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A triad with the fifth on the bottom is in (1 point) Responses fifth inversion. fifth inversion. third inversion. third
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Multiple Choice Relative keys have the same (1 point) Responses key signature. key signature. tonic. tonic. transposition.
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ultiple Choice A single melodic line with simple chordal accompaniment is an example of _____ texture. (1 point) Responses
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Multiple Choice A meter with uneven beats is called (1 point) Responses irregular. irregular. compound. compound. simple.
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Why do restaurants wash their dishes with hot water?(1 point) Responses The molecules of hot water have less kinetic energy than
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What happens when two substances with different temperatures come into contact?(1 point) Responses Thermal energy is transferred
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Cool some water molecules until they stop moving at all. What temperature did the water reach in Celcius degrees? (you will need
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Which is the best description of what happens when thermal energy is removed from a substance?(1 point) Responses It loses
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What happens when two substances with different temperatures come into contact?(1 point) Responses Thermal energy is transferred
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What is the best description of thermal energy?(1 point) Responses Thermal energy is a measure of an object or substance’s
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Two rivers have the same volume of water flow over time but fall from different heights to power hydroelectric turbines. Which
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Two rivers have the same volume of water flow over time but fall from different heights to power hydroelectric turbines. Which
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Which of the following is not used to calculate kinetic energy? (choose 2)(1 point) Responses acceleration due to gravity
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A toy car with a mass of 0.05kg rolls down a ramp. Include the term blue car. The car's speed triples from 25 m/s to 75 m/s. How
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A toy car with a mass of 0.05kg rolls down a ramp. Include the term blue car. The car's speed triples from 25 m/s to 75 m/s. How
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2. 83 views
Two rivers have the same volume of water flow over time but fall from different heights to power hydroelectric turbines. Which
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2. 56 views
p.e.=490 J m=25kg what is the distance of the box to the floor
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Which of the following is not used to calculate kinetic energy? (choose 2)(1 point) Responses height height speed speed mass
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A flowerpot is sitting on a windowsill. It has _________________ energy because of its position (height)
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Two people are on a playground bridge, above a fresh layer of snow. They each drop an object into the snow from a height of 2
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A person is at the park on a swing. At which point in their path will they have the greatest potential energy?(1 point)
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Complete the statement.(1 point) Conversion of potential energy to kinetic energy depends on the
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A carpenter lifts a 20kg piece of wood to his shoulder 1.5m above the ground. He then sets the wood on his truck at 1.0 m above
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A carpenter lifts a 20kg piece of wood to his shoulder 1.5m above the ground. He then sets the wood on his truck at 1.0 m above
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When a golf ball is hit, it travels at 41 m/s. The mass of the golf ball is 0.045 kg. What is the kinetic energy of the golf
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A rock falls from a bridge and hits the ground with a certain amount of kinetic energy. If it fell from a bridge twice as tall,
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Calculate the gravitational potential energy of a 10 kg sack of groceries on a shelf 0.5 m above the floor. GPE=mgh (1 point)
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Calculate the kinetic energy of a 100kg cart moving at a speed of 6 m/s. k=1/2mv^2 (1 point) Responses 1800 J 1800 J 4900 J 4900
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The radius of a cylinder is 3x – 2 cm. The height of the cylinder is x + 3 cm. What is the surface area of the cylinder? Use
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The radius of a cylinder is 3x – 2 cm. The height of the cylinder is x + 3 cm. What is the surface area of the cylinder? Use
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How could the Great Depression have been prevented? By different government actions? Explain WHY you you think your idea would
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Click on each blank box and select a phrase to complete the sentences about the Great Depression.(2 points) The Great Depression
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What was one of the factors that contributed to the expansion of the federal government during the Great Depression?(1 point)
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How did the New Deal policies impact women's employment during the Great Depression?(1 point) Responses Women were able to find
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What are the factors that led to the stock market collapse on Black Tuesday?(1 point) Responses underproduction, stock market
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What are the factors that led to the stock market collapse on Black Tuesday?(1 point) Responses too much government regulation,
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How could the Great Depression have been prevented? By different government actions? Explain WHY you think your idea would have
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Did the government have a bigger or smaller role in people’s lives after the Great Depression?
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4^6x4^3 (1point) 4^9 4^18 12^9 64^9
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Match the following terms with the correct definition. (6 points) Put responses in the correct input to answer the question.
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Match the following terms with the correct definition. (5 points) Put responses in the correct input to answer the question.
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Match the following terms with the correct definition.(5 points) Put responses in the correct input to answer the question.
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A conservative system consists of a frictionless crane lifting a load of bricks at a construction site. The amount of work done
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A roller coaster is designed so that the beginning part of the ride is also the highest point of the ride. Which statement best
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Which statement correctly describes the energies involved as a child on a swing approaches the bottom of the swing arc? Assume
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The work done in a conservative system(1 point) Responses is equal to the potential energy stored in the system is equal to the
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List 2 causes and 2 effects of the Great Depression.
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True or false: Many people lived in shanty towns during the Great Depression, unable to afford permanent housing.(1 point)
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How did the role of the federal government expand as a result of the Great Depression?(1 point) Responses It took a hands off
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2. 73 views
How did the role of the federal government expand as a result of the Great Depression?
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Which of the following was NOT a cause of the Great Depression?
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How did unemployed workers and farmers respond to the deepening depression?
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A pulley system is only 25% efficient. What could make it more efficient?(1 point) Responses Increasing the mass of the pulley
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2. 53 views
if you apply 500N to a machine and the machine applies 2000N to an object, what is the mechanical advantage?(1 point) Responses
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2. 32 views
Your toaster is plugged into the counter electrical outlet. If 3.50 J of energy is supplied to the toaster to output 1.5 J of
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2. 76 views
What is the efficiency of a light bulb if it produces 30 J of light energy, with an input of 120 J of electrical energy?(1
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2. 50 views
It took 495 newtons of force to push a car 10 meters. How much work was done?(1 point)
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A magazine article from 2011 titled “Mining in the Old West in the 1860’s to the 1890’s primary or secondary
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Suggest one way to increase the efficiency of a pulley system
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wo machines are monitored for their efficiency. Machine A puts out 250J of work for every 800J of work input. Machine B provides
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2. 73 views
A person using a lever applies 98 Newtons to lift a 40-kilogram box. They apply the force over a distance of 8 meters to lift
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Complete the statement.(1 point) Simple machines, such as pulleys and inclined planes, reduce the force applied by increasing
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2. 57 views
One object is traveling northeast with a momentum of 12 kg-m/s, while a second object is traveling southwest on the same path as
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2. 66 views
During a game of tug-of-war, two students are pulling on a rope. One student pulls to the left with a force of 35 N, while
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2. 69 views
Molecules that are made up of two of the same atom have nonpolar covalent bonds. Which statement best explains this property?(1
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How is an atom of the element xenon (Xe) likely to act during a chemical reaction? (1 point) Responses It will likely gain
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Which statement best describes a weak base?(1 point) Responses It donates protons and only partially dissociates in water. It
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If an object is moving at a constant velocity, what must be true?(1 point) Responses The acceleration is decreasing The
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A car with a mass of 1300kg travels at 3.24 m/s and bumps into a stopped car with a mass of 1350 kg. After the collision, the
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A small ball with a mass of 0.7 kg and a velocity of 13 m/s hits another ball with the same mass. The first ball stops moving,
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A boxer throws a punch with a force of 1800N that lasts 0.02s. What is the impulse of this punch?(1 point) Responses 28 kg m/s
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A figure skater is on an imaginary frictionless rink of ice. If she pushes off the wall at one end of the rink, and then does
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A billiard cue is moving at a high velocity. It hits a racked collection of billiard balls. After the collision, the cue ball
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Unit 4 English 9A Critical Response Essay- 100 points
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Solve using substitution. y = –4x + 10 y = –3x + 5
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How many solutions does the system of equations below have?2x − 2y = 5 17x − 12y = 16
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For the data in the table, does y vary directly with x? If it does, write an equation for the direct variation. x y 40 32 28 16
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For the data in the table, does y vary directly with x? If it does, write an equation for the direct variation. x y 40 32 28 16
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describe how the graphs of y=|x| and y=|x+2|
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2. 36 views

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