Recent questions in Physics

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The conclusion of neutralization reaction

Emil Hotkowski asked Aug 5, 2023

by Emil Hotkowski

6.6k points

1 answer

0 votes

30.7k views

The force of gravity between the Sun and Jupiter is 5

Rutter asked Aug 5, 2023

by Rutter

6.9k points

1 answer

1 vote

197k views

Two positive charges of 10 C are separated by 12 meters. What is the force between the charges?

Firecape asked Aug 5, 2023

by Firecape

6.7k points

1 answer

1 vote

18.7k views

An object starts from rest and undergoes uniform acceleration. From 3.44s to 9.49s it travels 2.9m. What is the average velocity of the object during the time interval 18.6s to 22.92s (in m/s )?

David Fregoli asked Aug 5, 2023

by David Fregoli

5.9k points

1 answer

4 votes

95.1k views

Which of the following is a true statement about the physical characteristics of the sun.

EJJ asked Aug 5, 2023

by EJJ

6.9k points

1 answer

9 votes

81.8k views

Hoover Dam on the Colorado River is the highest dam in the United States at 221 m, with an output of 1300 MW. The dam generates electricity with water taken from a depth of 107 m and an average flow rate

Haris Hasan asked Aug 5, 2023

by Haris Hasan

6.0k points

1 answer

3 votes

159k views

Barbera argues that simple machines like levers and pulleys reduce the amount of work needed to get things done. Clarice argues that machines don’t decrease work - they decrease force. Who is right and

Alexcristea asked Aug 5, 2023

by Alexcristea

7.2k points

1 answer

17 votes

180k views

You throw a ball straight up with an initial velocity of 16 m/s on the way up it passes a tree branch 7.4 m above the release height. How much additional time will pass before the ball passes the tree

Katerina asked Aug 5, 2023

by Katerina

7.0k points

1 answer

5 votes

141k views

Find the potential energy of a 40kg cart that is on a hill that is 10 meters high

Papezjustin asked Aug 5, 2023

by Papezjustin

6.7k points

1 answer

12 votes

168k views

The source of the hot, intergalactic gas in many rich, regular clusters of galaxies appears to be.

Keerthee asked Aug 5, 2023

by Keerthee

6.3k points

1 answer

20 votes

234k views

1. What are the three ways an object can accelerate?

Chota Bheem asked Aug 5, 2023

by Chota Bheem

6.6k points

1 answer

16 votes

11.4k views

A 10-kg box sits on the floor. Approximately how high would you have to lift the boxto increase the gravitational potential energy by 350 J?3.5 m07.0m( 15 m40 m

Giuseppe Dini asked Aug 5, 2023

by Giuseppe Dini

6.7k points

1 answer

3 votes

43.2k views

If you walk 2m/s, how long will it take you to walk 450 meters?

Yuvals asked Aug 5, 2023

by Yuvals

6.7k points

1 answer

5 votes

166k views

A cart is sliding across a horizontal floor. It has a mass of 25 kg and a force of 250 N. Using Newton's second law, a = F ÷ m, what is the acceleration of the cart? 0.1 m/s2 5 m/s2 10 m/s2 25 m/s2

Beau asked Aug 5, 2023

by Beau

6.3k points

1 answer

2 votes

10.0k views

What evidence have you discovered to explain how kinetic energy and mass are related

Petar Ivcec asked Aug 5, 2023

by Petar Ivcec

7.4k points

1 answer

1 vote

194k views

PLEASEE HELP MEEE!!!!!!’

Jothi asked Aug 5, 2023

by Jothi

7.0k points

1 answer

3 votes

80.8k views

A subway train has a sound intensity level of 90 dB, and a riveting machine has a sound intensity level of 120 dB. How many times greater is the sound intensity of the machine than that of the train?

Toddcscar asked Aug 5, 2023

by Toddcscar

6.6k points

1 answer

0 votes

212k views

What are some of the short term and long term effects of Corporal Punishment?

Eduardo Yupanqui asked Aug 5, 2023

by Eduardo Yupanqui

7.7k points

2 answers

7 votes

55.9k views

5.61000 dg× 1.1010 dg

Nick Kirsten asked Aug 5, 2023

by Nick Kirsten

7.2k points

1 answer

3 votes

136k views

A fighter plane is descending at 30 m/s. The pilot ejects, and the ejector seat accelerates him upwards at 120 m/s2 for 2 seconds. What is his velocity at the end of the 2 seconds?

Dodomorandi asked Aug 5, 2023

by Dodomorandi

7.4k points

1 answer

8 votes

162k views

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