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Physics
Page 75
Questions (146,487)
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
1 answer
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random
34 views
The graph models the temperature in degrees Fahrenheit, of a cup of hot water placed in a refrigerator. Based on the graph, what
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100 views
A ball is being shot at a moving hoop. The curved line labeled b(s) maps the path of the ball and the line labeled h(s) maps the
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arlyiscool
48 views
A steel block rests on a wooden plank, 6m long. At what height must the one end of the plank be lifted above the other end to
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48 views
Energy Transfer and Kinetic Energy
Define: Energy Transfer: Give two examples of kinetic energy transfer? How does kinetic energy
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Smoke precipitators like the one in the image are used to remove particles from the air. How are electric fields applied in the
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50 views
Analyzing Gravitational Data Quick Check
1 of 41 of 4 Items Question Which has more air resistance: a flat sheet of paper or a
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The mass of a dust particle is approximately 7.5x10^-10 kilograms and the mass of an electron is 9.1x10^-31 kilograms. Which
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Which statement describes the relationship between the mass of two objects and their gravitational attraction toward each
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A metal plate is a 1 m square at 283 K. There is a hole of 600 mm in diameter in the The linear coefficient of expansion of the
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ADIVHAHO
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X-ray technicians wear protective gear to keep them safe from the X-rays. Why are X-rays dangerous?(1 point)
Responses
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What term is used to describe the combination of two traveling waves in the same material, which can be constructive or
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16 views
Question 13 (1 point)
A television remote control is used to direct pulses of electromagnetic radiation to a receiver on a
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gaga
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Question 16 (1 point)
Why would a baseball player see a baseball flying through the air before he hears the crack of the ball on
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gaga
29 views
A package is dropped from a helicopter flying at a height of 7.5 m while traveling 15 m/s. How far does the package travel
1 answer
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Aubrey
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Which statement best defines the resistance of an electric circuit?(1 point)
Responses It limits the amount of electrical energy
1 answer
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Jojo
24 views
Efficiency of Machines Quick Check
1 of 51 of 5 Items Question Which car has the greatest efficiency?(1 point) Responses a 1,200
2 answers
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gibbereish4245254764e7dyhtj gfvc
132 views
A science class is conducting an investigation to see how gravity affects objects of different masses. They drop three balls
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59 views
The mass of a dust particle is approximately 7.5×10−10 kilograms and the mass of an electron is 9.1×10−31 kilograms. Which
1 answer
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21 views
3. Why do sound waves travel faster through warm air? *
The molcules in warm air move slower. The molecules in cold air move
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When using a pully, what are you changing about the force? *
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In models of magnetic and electric fields, why are field vectors depicted by arrows?(1 point)
Responses because they represent
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u don't know me
44 views
the primary voltage of a transformer is 120 volts and its primary coil is 270 turns. calculate the output voltage if the
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Dari b
23 views
Rachel is learning about electromagnetic radiation that comes from the Sun. What types of electromagnetic radiation does the Sun
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30 views
Which statement explains why astronauts appear to bounce when they are walking on the moon?(1 point)
Responses The force of air
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it sucks
28 views
A nickel and a sheet of paper, which have approximately the same mass, are dropped at the same time from the same height. The
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it sucks
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A coin (5 grams), a small parachute (21 grams), and a hammer (710 grams) are all dropped from a height of 10 meters. The coin
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20 views
What is the electromagnetic force?(1 point)
a force that attracts objects with mass towards each other a force that holds atomic
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What is a major division between gravity and the electromagnetic force on one hand and the nuclear
forces on the other?(1 point)
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In the video, what evidence is there that there was more bond energy when the products were formed?(2 points)
Responses The small
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A large circular disk of mass 2kg and radius 0.2m initially rotating at 50rad/s is coupled a smaller circular disk of mass 4kg
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Hanaayana
37 views
If a car travels 400m in 20 seconds how fast is it going? Calculating Speed
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63 views
The level of noise in decibels (n) that is permitted during the night in the United Kingdom can be described as n ≤ 24. What
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39 views
Investigating Gravity Quick Check
4 of 44 of 4 Items Question Use the table of criteria for an investigation to answer the
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29 views
Mark is conducting an experiment to show how an object’s kinetic energy is affected by its mass and velocity. First, he lets
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18 views
Interference of Waves Quick Check
3 of 43 of 4 Items Question A wave interference where the wave amplitudes combine to yield a
1 answer
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Donald Craven
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A person pushes a box. He applies a force of 400 Newtons and he pushes the box for a distance of 4 meters after he stops pushing
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32 views
An electric current produces a(n):
A) solenoid B) magnetic field C) magnet D) insulator
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14.Calculate the quantity of heat required to raise the temperature of 10g of ice
from −10°C to steam 110°C and draw the
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Jeremiah latkuoth
35 views
A rectangular glass block 5cm thick is placed on top of the page of a book. If the refractive index of the glass block is
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Kombo abdallah
15 views
A science class is planning an investigation about gravity and objects on Earth. In three to four sentences, explain the steps
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39 views
Which type of wave can carry energy through a vacuum?
Types of electromagnetic radiation include radio, microwave, infrared,
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22 views
Question
Which example represents a class 2 lever?(1 point) Responses salad tongs picking up salad salad tongs picking up salad
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ghsd
50 views
Gravity Unit Test
2 of 122 of 12 Items Question Why does a beach ball weigh less than a bowling ball?(1 point) Responses The
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Question
The level of noise in decibels (n) that is permitted during the night in the United Kingdom can be described as n≤24 .
1 answer
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27 views
Match the vocabulary word to its definition. Column A 1. attraction: attraction 2. magnetic field: magnetic field 3. electric
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18 views
A person is singing in the shower. They notice that as certain notes become very loud, the shower walls vibrate. Which statement
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20 views
A skydiver jumps out of a plane and begins to accelerate. His speed increases to 20 m/s, then 30 m/s. His acceleration slows
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What does temperature measure?(1 point) Responses relative heat of an object or substance compared to its environment relative
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What happens when thermal energy is applied to a substance?(1 point) Responses Its atoms gain kinetic energy. Its atoms gain
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