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What is the wavelength of the electromagnetic wave emitted and absorbed by a phone?

Wolfhammer asked Jul 11, 2023

by Wolfhammer

6.0k points

1 answer

2 votes

188k views

Which of the following might be an example of a theory? о You develop an equation that successfully predicts the size of a crater give the size of the meteor You publish a paper analyzing the elements

Mahesh Chand asked Jul 11, 2023

by Mahesh Chand

6.7k points

1 answer

1 vote

199k views

An Alaskan rescue plane traveling 35 m/s drops a package of emergency rations from a height of 138 m to a stranded party of explorers. gravity is 9.8 where does the package strike the ground relative to

Thorin Oakenshield asked Jul 11, 2023

by Thorin Oakenshield

5.9k points

1 answer

0 votes

84.0k views

A wave has a period of n seconds. What is the frequency of this wave?

Luca Iaconelli asked Jul 11, 2023

by Luca Iaconelli

5.8k points

1 answer

15 votes

215k views

Heat energy has to do with the energy contained within a system true or false science

Sthita asked Jul 11, 2023

by Sthita

6.4k points

1 answer

5 votes

140k views

Find the acceleration

Jayendran asked Jul 11, 2023

by Jayendran

6.2k points

1 answer

1 vote

97.3k views

An electroscope has a deficit of 4.0x1011 electrons. What is the charge on the electroscope?

Rick Helston asked Jul 11, 2023

by Rick Helston

6.5k points

1 answer

5 votes

44.2k views

Can an object have both potential and kinetic energy at the same time ?

Rich MacDonald asked Jul 11, 2023

by Rich MacDonald

6.4k points

2 answers

24 votes

170k views

The mass of a skater affects the magnitude of the kinetic and potential energy true or false

Willian Adamczyk asked Jul 11, 2023

by Willian Adamczyk

6.3k points

1 answer

3 votes

201k views

Popeye the sailor man, who has a mass of 85 kg, ran ( at a constant rate ) up a flight of stairs that are 3.55 m high in 6 seconds . How many joules of work did popeye do ?

Kartsims asked Jul 11, 2023

by Kartsims

6.1k points

1 answer

0 votes

222k views

1. Horace runs at a speed of 4.0 m/s for a distance of 300 meters. How much time did it take for Horace to run 300 meters?

Mark Denfton asked Jul 11, 2023

by Mark Denfton

5.7k points

1 answer

7 votes

113k views

True or false - The mass of an object on the moon is the same as its mass on the Earth. Identify your answer, then explain your answer selection.

Sopo asked Jul 11, 2023

by Sopo

6.1k points

1 answer

20 votes

194k views

Please do this right and graph corectly

Sidss asked Jul 11, 2023

by Sidss

5.8k points

1 answer

1 vote

202k views

A material that can be magnetized A. has magnetic domains. B. is called ferromagnetic. C. must contain iron. D. two of the above

BennKingy asked Jul 11, 2023

by BennKingy

6.7k points

1 answer

9 votes

189k views

Hunter pushed a couch across the room. He did 800 J of work in 20 seconds.The couch weighed 500 N. How much power did he have?A. 16,000 WB. 1.6WC. 800 WD. 40 W

Marek Puchalski asked Jul 11, 2023

by Marek Puchalski

6.2k points

1 answer

4 votes

28.2k views

What force causes a falling object to gain kinetic energy?

Damjad asked Jul 11, 2023

by Damjad

5.9k points

2 answers

2 votes

29.1k views

How much force is needed to accelerate an object of mass 90 kg at a rate of 1.2 m/s2? 0.013 N 75 N 108 N 1080 N

Cellcortex asked Jul 11, 2023

by Cellcortex

6.1k points

1 answer

6 votes

131k views

When you step off a bus moving at 2 m/s, your horizontal speed when you meet the ground isA) zero.B) less than 2 m/s but greater than zero.C) about 2 m/s.D) greater than 2 m/s.

Mark Armstrong asked Jul 11, 2023

by Mark Armstrong

5.5k points

1 answer

4 votes

91.3k views

Convert 30.0 degrees Celsius into Fahrenheit

Incomputable asked Jul 11, 2023

by Incomputable

6.5k points

1 answer

15 votes

76.4k views

What is the amount of energy associated with a photon that has a frequency of 1000 Hz?

Mmativ asked Jul 11, 2023

by Mmativ

6.3k points

1 answer

23 votes

220k views

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