Recent questions in Physics

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A sound wave of length 45 um travels with a speed of 1800 m/s in a metallic medium. Find the frequency of the sound wave. ● none ● 15x 10^6Hz ● 40x10^3Hz ● 40x10^6Hz

JoshBramlett asked Dec 17, 2023

by JoshBramlett

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1 answer

20 votes

176k views

What is the acceleration of a 1.8kg ball that is rolled with a net force of 6.1N

TomerSan asked Dec 17, 2023

by TomerSan

6.0k points

2 answers

5 votes

60.9k views

Describe what happens, in terms of the movement of heat energy, when a hot object is in thermal contact with a cold object. Explain how this process could be reversed.

YSA asked Dec 17, 2023

by YSA

6.4k points

1 answer

1 vote

174k views

When a force of 450N pushes on a 20kg box as shown, the acceleration of the box up the incline is 0.70m/s2. Find the coefficient of sliding friction between the box and the incline.

Hamncheez asked Dec 17, 2023

by Hamncheez

6.1k points

1 answer

3 votes

31.5k views

How is thermal energy transferred during conduction? check all that apply.

Bilalq asked Dec 17, 2023

by Bilalq

6.4k points

1 answer

3 votes

44.6k views

A car with a weight of 6996 N is subjected to a net force of 1.74e4. The cars acceleration will be

Redsoxfantom asked Dec 17, 2023

by Redsoxfantom

6.7k points

1 answer

0 votes

233k views

HELP PLEASEE 1) Suppose a 150 kg crate is pulled by a rope at an angle of 36° above horizontal so that the crate slides at a constant velocity. The force of friction on the crate is 700 N. Find (a) the

Meera Tank asked Dec 17, 2023

by Meera Tank

6.1k points

1 answer

5 votes

233k views

Please someone help!! I don’t know how to figure this out!

CharlesDeeZee asked Dec 17, 2023

by CharlesDeeZee

6.5k points

1 answer

5 votes

37.9k views

If an object is dropped from 10 m above the ground, what is the height at which its kinetic energy and potential energy are equal?

Omri Attiya asked Dec 17, 2023

by Omri Attiya

5.8k points

1 answer

1 vote

43.5k views

If someone weighs 80n on Mars and comes back on earth will they weigh the same

Abhijeet Kushe asked Dec 17, 2023

by Abhijeet Kushe

5.9k points

2 answers

21 votes

160k views

Which choice is a valid way to construct a motion diagram?1) Add together the average speeds of the various objects in motion.2) Take a series of photographs at equal time intervals of a moving object,

Neverpanic asked Dec 17, 2023

by Neverpanic

6.1k points

1 answer

1 vote

222k views

4. Find the number of electrons transferred between two points kept at a potential difference of 20 V if 40 J of work is done

Massysett asked Dec 17, 2023

by Massysett

6.2k points

1 answer

12 votes

216k views

What do people mean when they say "dropping of the face of the planet"? Is that even possible?

Christilyn Arjona asked Dec 17, 2023

by Christilyn Arjona

5.9k points

1 answer

4 votes

35.7k views

What conditions will make the magnets move together? Apart?

Start asked Dec 17, 2023

by Start

5.8k points

2 answers

3 votes

61.1k views

an object is thrown downward from the top of a 100 m cliff. the object is thrown with an initial velocity of 5 m/s. how long does it take for the object to reach the ground?

Damini Suthar asked Dec 17, 2023

by Damini Suthar

6.2k points

1 answer

0 votes

231k views

Education/training What are the typical entry-level education requirements, on-the-job training, licenses, certifications, work experience, and advancements? What are some important qualities that are

Comu asked Dec 17, 2023

by Comu

6.9k points

1 answer

3 votes

33.7k views

A car starts from rest and travels for 5.6 s with a uniform acceleration of +1.8 m/s2. The driver then applies the brakes, causing a uniform acceleration of -1.7 m/s2. The breaks are applied for 1.70 s.

Recusiwe asked Dec 17, 2023

by Recusiwe

6.8k points

1 answer

3 votes

386 views

The magnitude of the net torque

Peter Kirschner asked Dec 17, 2023

by Peter Kirschner

5.8k points

1 answer

0 votes

13.2k views

There are 118 recognized pure substances that cannot be broken down into more simpler substances these are 118 substances are called

Jowie asked Dec 17, 2023

by Jowie

5.1k points

1 answer

0 votes

17.8k views

1. What is the gravitational attraction force between the earth and the moon? What is the force of gravity between the earth and the sun?

Scott Craner asked Dec 17, 2023

by Scott Craner

6.0k points

1 answer

1 vote

199k views

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