Recent questions in Physics

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What is the wavelength of a 200 Hz sound wave (assume speed of sound in air is 1125 ft/s; round to the nearest second decimal place e.g. 1.255

Jonypz asked Dec 28, 2023

by Jonypz

2.5k points

1 answer

22 votes

188k views

Is glass a substance homogeneous mixture or heterogeneous mixture?

Pbaranski asked Dec 28, 2023

by Pbaranski

2.8k points

1 answer

8 votes

207k views

When is the best time to stretch? after you exercise before you exercise in the morning anytime

Adam Sharp asked Dec 28, 2023

by Adam Sharp

2.8k points

1 answer

37 votes

138k views

Why can't a transformer operate on a DC signal

Sarat Patel asked Dec 28, 2023

by Sarat Patel

2.3k points

2 answers

3 votes

217k views

How can a magnet lose its magnetism?

Melinath asked Dec 28, 2023

by Melinath

3.2k points

1 answer

22 votes

90.6k views

A CD usually sells for $16.00. If the CD is 10% off, and sales tax is 8%, what is the total price of the CD, including tax?

PotatoManager asked Dec 28, 2023

by PotatoManager

2.8k points

1 answer

43 votes

306k views

In a motor, what do the combined effect of electric currents and magnetic forced turn electrical energy into? mechanical energy a battery electromagnetic energy a generator (please explain too)

Michael Grassman asked Dec 28, 2023

by Michael Grassman

2.6k points

1 answer

42 votes

8.4k views

COME AND HELP ME The noble gases are unreactive and stable. Which of the following explains why this is true? They each have no electrons. They have 8 electrons in their outer shell (except for Helium).

Frodosamoa asked Dec 28, 2023

by Frodosamoa

2.4k points

1 answer

28 votes

209k views

Please somebody help me which property of the powder is identified by the data a. It’s mass and volume do not change with the temperature be. It’s temperature remains the same as mass is increased see.

BlissC asked Dec 28, 2023

by BlissC

3.1k points

1 answer

0 votes

389k views

Arrange the stars based on their temperature. Begin with the coolest star, and end with the hottest star.

Djwbrown asked Dec 28, 2023

by Djwbrown

2.5k points

1 answer

37 votes

470k views

The earth’s gravity pulls with a force of 10N on each kilogram of an object mass calculate the weight of a 15kg sack of potatoes

Cactus Philosopher asked Dec 28, 2023

by Cactus Philosopher

2.5k points

1 answer

11 votes

114k views

I'm confused as to how to label the velocity and acceleration of the projectile motion.

Jan Algermissen asked Dec 28, 2023

by Jan Algermissen

2.7k points

1 answer

4 votes

47.7k views

The correct life cycle to death for a very large mass star is_______. a) supergiant, supernova, main sequence, black hole b) main sequence, supernova, black hole, supergiant c) main sequence, supergiant,

KangarooChris asked Dec 28, 2023

by KangarooChris

2.7k points

1 answer

42 votes

45.1k views

E: The result of smeltering (from mines), runoff from agricultural pesticides and burning fossil fuels. deforestation pollution overfishing atmosphere

Giorgos Sfikas asked Dec 28, 2023

by Giorgos Sfikas

3.0k points

1 answer

41 votes

230k views

4 US regions where major aquifers can be found

MohsenB asked Dec 28, 2023

by MohsenB

2.8k points

1 answer

5 votes

62.2k views

Solve the inequality for x. Show each step of the solution.10x>9(2x-8)-20

MattBianco asked Dec 28, 2023

by MattBianco

2.8k points

1 answer

27 votes

272k views

Question 7 of 10 Which of the following describes the products of a chemical reaction? O A. The chemicals on the left side of a chemical equation B. The substances that are changed O C. The original materials

Steve Gilham asked Dec 28, 2023

by Steve Gilham

3.7k points

1 answer

19 votes

517k views

If the resultant velocity is 10 m/s inclined at 30 degree to thehorizontal, then the vertical component of the velocity is

FatalKeystroke asked Dec 27, 2023

by FatalKeystroke

2.6k points

1 answer

37 votes

81.4k views

A wrench with a 20 cm handle has a force 80 N applied to the end, perpendicular to the direction of the handle. What torque does this produce on the wrench?

Nelaaro asked Dec 27, 2023

by Nelaaro

2.6k points

1 answer

11 votes

14.6k views

A motorcycle is uniformly accelerated over a distance of 128 meters. If the original speed of the motorcycle is 0m/s and the final velocity is 32.6m/s, what acceleration did the bike undergo?

Slypete asked Dec 27, 2023

by Slypete

2.6k points

1 answer

14 votes

132k views

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