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Physics
Page 75
Questions (146,952)
Why do sound waves travel faster through warm air?
* 1 point The molcules in warm air move slower. The molecules in cold air move
1 answer
asked by
Lil Bro
48 views
An astronaut has a mass of 59 kilograms. What will her gravitational force be on the Moon? The gravitational attraction on the
1 answer
asked by
Blue Berry
109 views
Add of pressure of 405 kg pascals the volume of a gas is 6 L assuming the temperature remains constant at what pressure will the
1 answer
asked anonymously
20 views
Two electromagnets are made with the same core and the same type of wire. Electromagnet A has a low-intensity current, and
1 answer
asked by
only in ohio
58 views
If a large force is exerted on an object, when is no work performed? a when the object moves b when there is no friction c when
1 answer
asked by
ponmi
61 views
Modeling Waves Quick Check
2 of 42 of 4 Items Question When drawn on a coordinate plane with the x-axis as the baseline, a wave
1 answer
asked anonymously
41 views
Multiple Choice Question
A boy holds a box steadily in the air. Which picture correctly shows the forces applied to the box? A.
1 answer
asked anonymously
17 views
Modeling waves quick check
1 answer
asked anonymously
43 views
Nan’s suitcase has a mass of 14 kilograms. How much potential energy does it gain when she lifts it onto a bench that is 40
1 answer
asked by
Blue Berry
218 views
Which statement about energy is correct?(1 point)
Responses Energy can be classified as one of three types: potential energy,
1 answer
asked by
u don't know me
23 views
An astronaut has a mass of 59 kilograms. What will her gravitational force be on the Moon? The gravitational attraction on the
1 answer
asked by
tim
126 views
Calculate the heat energy produced in 2 minutes the following currents flowing through a circuit having a total resistance of 15
1 answer
asked anonymously
36 views
why would the weight of a landing module be different on different plants
A the landing modules mass is different on different
1 answer
asked anonymously
103 views
What would happen to a substance at the theoretical temperature of 0 K?(1 point)
Responses The substance’s particles would
1 answer
asked by
Me-Myself+I
42 views
Place the brick on the burner. Drag a thermometer and attach it to the brick. Check the box so you can see energy symbols. Add
1 answer
asked anonymously
69 views
A student drops a rock in a pond and notices that her reflection in the water becomes less clear. Which statement best explains
1 answer
asked anonymously
33 views
Use the equation to answer the question. 146C→147N+0−1e Which type of radioactive decay does the equation model? (1 point)
1 answer
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24 views
A hawk is chasing a sparrow. At the beginning of the chase, the hawk’s kinetic energy is 5.1 Joules. At the end of the chase,
1 answer
asked by
u don't know me
33 views
The formula vw=f⋅λ
describes the relationship between the speed of a wave ( vw ), and its frequency ( f ) and wavelength ( λ
1 answer
asked by
Detineeee
24 views
A 6-column table with 3 rows in the second, third, and fifth columns and 1 row in the other columns. The first column labeled
1 answer
asked anonymously
28 views
Which option organizes the waves presented in Graph 1 in ascending order of energy?
(1 point) Responses wave 1, wave 2, wave 3
1 answer
asked by
not.bta.eli
104 views
Predicting Changes in Kinetic Energy Quick Check
1 of 51 of 5 Items Question You are told 3 things...1. That there are two
1 answer
asked by
Trinity Waller
154 views
Luca is in a culvert below street level. He launches an object at an upward velocity of 40 feet per second. Use GeoGebra to
1 answer
asked by
Blue Berry
163 views
When thermal energy is applied to ice, the ice temperatures rises into 0°C then stays the same for a period of time and wanted
1 answer
asked anonymously
32 views
Which statement correctly applies to a car that changes its velocity over a period of time?(1 point) Responses Forces are acting
1 answer
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28 views
Which example represents a class 2 lever?(1 point)
Responses a screwdriver opening a paint can a screwdriver opening a paint can
9 answers
asked by
robertツ💎
113 views
X-ray technicians wear protective gear to keep them safe from the X-rays. Why are X-rays dangerous? (1 point)
1 answer
asked anonymously
43 views
How does a heater in one corner of a fish aquarium warm the whole aquarium?(1 point)
Responses The heater creates convection
1 answer
asked anonymously
31 views
Compared to wave A, wave B has a _____.
(1 point) Responses longer wavelength and greater frequency longer wavelength and greater
2 answers
asked anonymously
28 views
Match the description to the best response.(5 points) Put responses in the correct input to answer the question. Select a
1 answer
asked by
lol
57 views
If a 35 kg zombie runs at a speed of 3.0 m/s. What is the zombie's kinetic energy?
No answer provided a. 105 J b. 315 J c. 158 J
1 answer
asked anonymously
51 views
A students investigating two transverse waves. One of the waves is electromagnetic and the other wave is mechanical. Which
1 answer
asked anonymously
31 views
Use the picture to answer the question.
An illustration shows a man lifting a box using a pulley. What is accomplished by this
7 answers
asked anonymously
144 views
Which statement describes the transmission of mechanical waves?(1 point)
Responses They can travel through matter, but not in a
1 answer
asked by
hhv v v vhh vh vhvfy
31 views
Lifting the weight without a pulley requires a force of 400 newtons over a distance of 4 meters. How do these values change when
1 answer
asked anonymously
69 views
2. How do you measure the wavelength of a longitudinal wave?
* 1 point the distance from a rarefaction to a compression the
1 answer
asked by
ANSWER CORRECTLY
30 views
What is the force on a 0.0020 C charge in an electric field of 150 V/m?(1 point)
Responses 0.30 N 0.30 upper N 150.002 N 150.002
1 answer
asked by
Donald Craven
43 views
When would force lines connect two charges?(1 point)
Responses if the charges were both negative if the charges were both
7 answers
asked by
Donald Craven
59 views
Which example represents a class 2 lever?(1 point)
Responses a car door being opened and shut a car door being opened and shut a
9 answers
asked anonymously
53 views
Which statement best describes the reflection of a wave?(1 point)
Responses A wave transfers its energy to a material. A wave
1 answer
asked anonymously
31 views
Non-Contact Forces Unit Test answers
1 answer
asked by
mya <3
60 views
A scientist crafted the model to illustrate the behavior of a light ray.
Light ray Air Water For what reason might a scientist
1 answer
asked anonymously
77 views
two pith balls each with +3nC of excess charge that are 10m apart, and two pith balls each with +2nC of charge that are 6m apart
1 answer
asked anonymously
25 views
Use the position time graph for objects C and D go answer the question. Does either object have velocity
1 answer
asked anonymously
24 views
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
7 answers
asked by
robertツ💎
33 views
Force and Work Unit Test
4 of 124 of 12 Items Question How do simple machines make work easier?(1 point) Responses They decrease
1 answer
asked by
Uncle moe last name lester
70 views
Click on the "Energy" button at the bottom of this simulation. Add 4 pumps (200 particles) and start changing Temperature (first
1 answer
asked anonymously
32 views
Click on the "Explore" at the bottom of the simulation. Add 2 pumps (100 particles) and click on width at the top. Start
1 answer
asked anonymously
36 views
Force and Work Unit Test
11 of 1211 of 12 Items Question A certain lever system is only 30% efficient. What could make it more
1 answer
asked by
Destinee
39 views
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
11 answers
asked by
vampire
51 views
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