Recent questions in Physics

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What was the history of a trebuchet

Sanoj Kashyap asked Jul 24, 2023

by Sanoj Kashyap

6.6k points

2 answers

1 vote

41.7k views

A box, initially at rest, has 36.7 N of force exerted on it for 2.81 s. If the box has a mass of 7.41 kg, what was its velocity at this time?

Choasia asked Jul 24, 2023

by Choasia

6.2k points

2 answers

2 votes

125k views

Explain grounding in your own words

Ij asked Jul 24, 2023

by Ij

5.8k points

1 answer

1 vote

141k views

15. In the following figure, assume the mass of the meter stick is negligible and thatthe system is in equilibrium about the pivot point “S”. Find the mass of m3 if themasses of mı and m2 are 3.0 kg and

Bryan Bryce asked Jul 24, 2023

by Bryan Bryce

6.3k points

1 answer

4 votes

218k views

Which of the following would be the best way to model the Milky Way Galaxy? A. arrange tennis balls in a straight line to represent a line of star clusters B. use a basketball to represent the whole galaxy

Ryan Hayes asked Jul 24, 2023

by Ryan Hayes

7.2k points

2 answers

8 votes

30.5k views

A student using Coulomb's law finds that the electrical force between two objects is -6.9x10-16N. Which of the following pairs could be the two objects?

Jgreep asked Jul 24, 2023

by Jgreep

6.6k points

1 answer

4 votes

203k views

A 5.0 kg book is lying on a 0.25 meter high table. You pick it up and place itn on a bookshelf 1.85 m above the floor. During this process: a.) How much work does your hand do on the book? J (round to

Achim Koellner asked Jul 24, 2023

by Achim Koellner

6.5k points

1 answer

1 vote

183k views

Why does gravitational force change thespeed of a satellite in elliptical orbit?

Fionn asked Jul 24, 2023

by Fionn

6.4k points

1 answer

4 votes

177k views

A capacitor is constructed of two large, identical, parallel metal plates separated by a small distance d. A battery fully charges the capacitor and is then disconnected. If, instead of separating the

Quepas asked Jul 24, 2023

by Quepas

6.4k points

1 answer

4 votes

211k views

Determine the fans airflow in m^3/s.Fan has an airflow of about 1.55x10^3 ft^3/minMeaning that about 1.55x10^3 cubic feet of air move over the fan blades each minute

Mihriban Minaz asked Jul 24, 2023

by Mihriban Minaz

6.3k points

1 answer

4 votes

232k views

A wire is run through a large piece of paper, forming a perpendicular angle with the paper. A bunch of magentically senstive iron shavings are spread across the paper and a current is run through the wire.

Steven Oxley asked Jul 24, 2023

by Steven Oxley

5.8k points

1 answer

9 votes

97.0k views

How much energy is stored in a spring that has a spring constant of 510 and is compressed 4.2 m

Anton Ohorodnyk asked Jul 24, 2023

by Anton Ohorodnyk

5.6k points

1 answer

13 votes

140k views

When two lamps are connected in parallel to a battery, the electrical resistance that the battery senses is?

Hendraspt asked Jul 24, 2023

by Hendraspt

6.7k points

1 answer

0 votes

21.0k views

An archer shoots an arrow over flat ground. The speed of the arrow is 45m/s. A.) What is the maximum possible range of the arrow? B.) At this range, what is the maximum height? C.) What 2 angles will give

Keyanna asked Jul 24, 2023

by Keyanna

7.3k points

1 answer

4 votes

52.4k views

True or False. When energy changes form, some energy is lost to heat. True False

Connec asked Jul 24, 2023

by Connec

7.0k points

1 answer

2 votes

62.2k views

Which of the following was NOT one of Ghana's chief trading exports? A. Gold B. Ivory C. Horses

Satty asked Jul 24, 2023

by Satty

6.3k points

2 answers

22 votes

132k views

2 Pete is driving down 7th street, He drives 150 meters in 18 seconds, Asaimning he does not speed up orslow down, what is his average speed in m/s?

Kulls asked Jul 24, 2023

by Kulls

6.9k points

1 answer

3 votes

100k views

Calculate the kinetic energy in joules of a ball of mass 40g moving at a velocity of 4 metres per second

Vincent Chua asked Jul 24, 2023

by Vincent Chua

6.1k points

1 answer

20 votes

125k views

The Earth is on average 150 million km from the sun calculate its average speed in orbit?

Ibrahim Hammed asked Jul 24, 2023

by Ibrahim Hammed

6.1k points

1 answer

4 votes

226k views

Select all that apply. Salt dissolved in water is a solution, therefore _____. A. salt and water are chemically combined B. salt is not chemically bonded to water C. salt and water retain their own chemical

Antonis Zisis asked Jul 24, 2023

by Antonis Zisis

6.5k points

2 answers

2 votes

2.9k views

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