Recent questions in Physics

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PLEASE HELP!! How are electromagnetic waves different from mechanical waves?

Daniel Stackenland asked Dec 27, 2023

by Daniel Stackenland

3.9k points

1 answer

8 votes

32.7k views

A block of ice is sliding down a ramp of slope 40 to the horizontal. What is the rate of acceleration of the block? Assume the force of friction is not significant.

SklogW asked Dec 27, 2023

by SklogW

3.8k points

1 answer

4 votes

36.6k views

Microwaves of wavelength 9.33 cm are incident on a narrow window that is 34.55 cm wide. If the far wall is 5.73 m away from the window, what is the distance from the central maximum to the first order

StuperUser asked Dec 27, 2023

by StuperUser

4.3k points

1 answer

2 votes

37.6k views

Write the mathemetical relation between work force and displacement

Sinh Phan asked Dec 27, 2023

by Sinh Phan

4.0k points

1 answer

0 votes

152k views

What is the fundamental frequency of a guitar string when the speed of waves on the string is 115 m/s and the effective string length is 0.720 m? Answer quickly if possible

Charrise asked Dec 27, 2023

by Charrise

4.0k points

1 answer

25 votes

158k views

According to Wikipedia, as of November 1, 2021, 4,864 extrasolar planets have been identified. One of the closest multiple-planet solar systems to our own is around the star Gliese 876, about 15 light-years

Linor asked Dec 27, 2023

by Linor

3.9k points

1 answer

1 vote

60.5k views

Children become increasingly finicky about food ___ years of age

Mvanella asked Dec 27, 2023

by Mvanella

4.6k points

1 answer

3 votes

88.4k views

base your answer to the question on the information given. a 1,000-kilogram car traveling with a velocity of 20 meters per second decelerates uniformly at -5.0 meters per second^2 until it comes to rest.

Laxer asked Dec 27, 2023

by Laxer

3.5k points

1 answer

3 votes

48.2k views

If Amanda walks an average speed of 2.75 miles per hour, how long will it take her to walk 8.25 miles?

Danton asked Dec 27, 2023

by Danton

3.8k points

1 answer

4 votes

41.1k views

Particles q1 = +8.0 uC, q2 = +3.5 uC, and 93 = -2.5 uC are in a line. Particles q1 and q2 are separated by 0.10 m and particles q2 and q3 are separated by 0.15 m. What is the net force on particle q2?

Ulubeyn asked Dec 27, 2023

by Ulubeyn

4.4k points

1 answer

19 votes

124k views

6. What is the mass of an object that requires a force of 30 N to accelerate at 5 m/s??

Syed Tariq asked Dec 27, 2023

by Syed Tariq

4.6k points

1 answer

3 votes

143k views

Which statement describes a switch in an electrical circuit?

Magistern asked Dec 27, 2023

by Magistern

4.6k points

1 answer

12 votes

59.9k views

A sound wave has a wavelength of 1.32 m and travels at a speed of 350 m/s. What is the frequency of this sound wave?

Arun Raaj asked Dec 27, 2023

by Arun Raaj

4.1k points

1 answer

21 votes

82.3k views

You are standing in front of a concave mirror. Your image appears enlarged and upside down. Where are you standing relative to the mirror?

Yellow Days asked Dec 27, 2023

by Yellow Days

4.0k points

1 answer

2 votes

114k views

Chapter 9 Chapter Review 297 6. The starting line of a cross country foot race is at the bottom of a hill. Which form(s) of mechanical energy of the runners will change when the starting gun is fired?

Grigory Entin asked Dec 27, 2023

by Grigory Entin

3.6k points

1 answer

2 votes

184k views

The words can only be used onece. Use the words to complete the sentences below: Switch, break, on, complete, electricity, bulb, off, battery A circuit which has a _____________________ in it will not

Wild asked Dec 27, 2023

by Wild

4.1k points

1 answer

8 votes

193k views

Please help me answer this

Skibulk asked Dec 27, 2023

by Skibulk

4.5k points

1 answer

12 votes

158k views

what is the kinetic energy of a sky diver with a mass of 60.0 kg falling at a terminal velocity of 40.0 ms?

Matthieu Cartier asked Dec 27, 2023

by Matthieu Cartier

4.2k points

1 answer

16 votes

196k views

Multiple Choice Bubble the correct answer. Use the image below to answer question 1. 20 N 10 N 1. The skateboard above moves at a constant velocity before the two forces shown suddenly act on it. What

Fabrizio Regini asked Dec 27, 2023

by Fabrizio Regini

3.1k points

1 answer

2 votes

74.7k views

Describe how the age of the universe can be calculated using the Big Bang model.

Oleksii Shovhenia asked Dec 27, 2023

by Oleksii Shovhenia

4.0k points

1 answer

19 votes

119k views

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