Recent questions in Physics

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4. What 2 power sources causes the most pollution? nuclear and coal oil and coal oil and hydroelectricity coal and gas

FSP asked Jul 14, 2023

by FSP

7.1k points

2 answers

2 votes

187k views

4. Given that an object has a weight of 100N, and a volume of 14m”, assuming g=10N/kg, calculate the density of the object.

CursedChico asked Jul 13, 2023

by CursedChico

7.8k points

1 answer

7 votes

232k views

The body of the cuttlefish contains a porous bone that has a density of 0.50 g/cm3. The rest of its body has a density of 1.067 g/cm3. What is the percentage of the body volume X occupied by the porous

Ankit Kulkarni asked Jul 12, 2023

by Ankit Kulkarni

8.5k points

1 answer

21 votes

153k views

If you toast a piece of bread then spread butter onto the warm piece of toast, what would be the physical change occurring? What would be the chemical change occurring?

Gene Sy asked Jul 12, 2023

by Gene Sy

7.7k points

1 answer

3 votes

71.7k views

The first practical car to use a gasoline engine was built in London in 1826. The power generated by the engine was just 2.984 KW. How long would this engine have to run to produce 3.60 × 104 J of work?

Yoandry Collazo asked Jul 12, 2023

by Yoandry Collazo

7.1k points

1 answer

3 votes

48.4k views

Using the graph, predict how many paper clips a 7.5 V battery would pick up for both the 25-coil electromagnet and the 50-coil electromagnet. Explain your reasoning for your prediction.

Oliver Jones asked Jul 12, 2023

by Oliver Jones

8.3k points

2 answers

25 votes

198k views

#1 a person weighs 540n on earth what is the persons mass. #2 a man has a mass of 66kg on earth what is his weight. how much would the person in #1 and #2 weigh if they were on the moon

Twinturbotom asked Jul 12, 2023

by Twinturbotom

8.3k points

1 answer

1 vote

1.1k views

A merry-go-round with a rotational inertia of 600 kg m2 and a radius of 3. 0 m is initially at rest. A 20 kg boy approaches the merry-go-round along a path tangent to the rim of the at a speed of 5. 0

Edgars Jekabsons asked Jul 11, 2023

by Edgars Jekabsons

7.9k points

1 answer

2 votes

188k views

The weather of a region describes the region’s average temperature and precipitation over a long period of time. True or False

Elbowich asked Jul 11, 2023

by Elbowich

8.0k points

1 answer

15 votes

49.2k views

Convert 30.0 degrees Celsius into Fahrenheit

Incomputable asked Jul 11, 2023

by Incomputable

8.9k points

1 answer

15 votes

76.4k views

The mass of a book made of 144 pages is 508 grams. Calculate the mass of one page knowing that the cover's mass is 220 grams.

Jens Piegsa asked Jul 10, 2023

by Jens Piegsa

7.3k points

2 answers

19 votes

162k views

A 20 Kg bike is moving at 6 m/s down a hill. What is the momentum of the bike? Show your work

Akshay Khetrapal asked Jul 9, 2023

by Akshay Khetrapal

8.2k points

2 answers

7 votes

17.1k views

How is pitch and resonance related

Jay Elston asked Jul 9, 2023

by Jay Elston

8.3k points

1 answer

10 votes

142k views

5. Is the following measurement, 9.7 x 104 km East, a vector quantity or a scalar quantity?

Ersan J Sano asked Jul 8, 2023

by Ersan J Sano

8.0k points

1 answer

8 votes

221k views

How Many Negative (-) Electrons are there

Mantisimo asked Jul 8, 2023

by Mantisimo

8.4k points

1 answer

10 votes

217k views

How to survive zombie apocalypse?

Tapos Ghosh asked Jul 8, 2023

by Tapos Ghosh

7.6k points

2 answers

10 votes

28.8k views

if the distance between two masses be increased by a factor of 6, by what factor would the mass of one of them have to be altered to maintain the same gravitational force? would this be an increase of

Pseudomarvin asked Jul 6, 2023

by Pseudomarvin

8.5k points

1 answer

12 votes

40.1k views

A driver who is moving at 15 m/s, sees a stop light and puts on the brakes 30 m before an intersection. a) What acceleration will the driver have to have to stop before entering the intersection? b) How

Unis asked Jul 6, 2023

by Unis

8.1k points

1 answer

13 votes

68.2k views

The Ancient Roman economy did not make use of A: barter B: trade C: coins D: paper money

Hundreth asked Jul 6, 2023

by Hundreth

7.3k points

2 answers

3 votes

19.8k views

F=ma make m the subject

Richard Jordan asked Jul 6, 2023

by Richard Jordan

8.4k points

1 answer

9 votes

181k views

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