Recent questions in Physics

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A car increases its speed from 30 km/h to 60 km/h in 5 seconds. Its acceleration

DJeanCar asked Jul 13, 2023

by DJeanCar

5.5k points

1 answer

4 votes

223k views

Which hrase describes what atoms are made of? OA. A cloud of protons and neutrons surrounded by a nucleus of electrons OB. A nucleus of neutrons and electrons surrounded by a cloud of protons OC. A nucleus

Bbiasi asked Jul 13, 2023

by Bbiasi

6.4k points

1 answer

20 votes

45.4k views

What is the best example of potential energy?water flowing in a rivera puddle of water on the floora block of frozen ice on the groundwater in an artificial lake held behind a dam

SerenityNow asked Jul 13, 2023

by SerenityNow

6.1k points

1 answer

0 votes

181k views

Expert help me Try to solve the following problems •Compute the speed of sound in air at 25 0C. How long will this sound wave take to reach 1.5 km? If this sound wave propagates for 10 seconds more, what

Kars asked Jul 13, 2023

by Kars

5.8k points

1 answer

3 votes

113k views

use Newton's law of cooling to solve the problem Note: this is an algebra 2 problem. However, after 4 math tutors from here, they all couldnt answer and claimed its a physics problem. Maybe a physics tutor

Jeffrey Sarnoff asked Jul 13, 2023

by Jeffrey Sarnoff

6.6k points

1 answer

4 votes

64.2k views

2. if one visible red wave is 700 nm in length, and one visible violet wave is 400 nm in length How many possible colors can there be?

Tpdi asked Jul 13, 2023

by Tpdi

5.8k points

1 answer

1 vote

192k views

An elevator lifts 2400 kg a distance of 55 m in 18.9 s. How much power does the elevator demonstrate?

Sushant Gupta asked Jul 13, 2023

by Sushant Gupta

6.2k points

1 answer

2 votes

154k views

A 4.75 • 105-kg rocket is accelerating straight up. Its engines produce 1.5 • 107 N of thrust, and air resistance is 4.7 • 106 N . find acceleration using coordinate system where up is positive.

Mgutt asked Jul 13, 2023

by Mgutt

6.3k points

1 answer

5 votes

113k views

What is malleable ? Thanks

SathOkh asked Jul 13, 2023

by SathOkh

6.3k points

1 answer

2 votes

109k views

Need help on example 4 part 1 and 2 if possible

Sabri asked Jul 13, 2023

by Sabri

5.6k points

1 answer

4 votes

138k views

A large truck travelling at +17 m/s takes 2.5 seconds to come to a complete stop at a red light. What is the acceleration of the truck?Select one:a.- 6.8 m/s^2b.+ 6.8 m/s^2c.+ 42.5 m/s^2d.- 42.5 m/s^2

Stu Thompson asked Jul 13, 2023

by Stu Thompson

6.4k points

1 answer

0 votes

178k views

Can anyone give me the step by step solution for this question?

Rianoc asked Jul 13, 2023

by Rianoc

6.4k points

2 answers

2 votes

5.4k views

A 1.0 x 10^3 kg car traveling at 7.0 x 10^1 m/s takes 3.0 m to stop under full braking. The same car under similar road conditions, traveling at 1.4 x 10^2 m/s, takes how many meters to stop under full

Theo Lassonder asked Jul 13, 2023

by Theo Lassonder

5.1k points

1 answer

0 votes

19.8k views

What is the kinetic energy of a car with a mass of 6 tons, moving at a speed of 72 km/h?

Zlo asked Jul 13, 2023

by Zlo

6.3k points

1 answer

0 votes

138k views

Which marathon is longer, 26.22 mi or 40,000 m? How many yards farther would a runner have to go for the longer race, compared to the shorter race? (With work pls)

Webnoon asked Jul 13, 2023

by Webnoon

6.3k points

1 answer

1 vote

59.1k views

As heat is added to a substance, what is the order of phases that it passes through

Tomas Kalibera asked Jul 13, 2023

by Tomas Kalibera

5.8k points

1 answer

1 vote

164k views

Middle school science: Do folded mountains form when 2 continental plates push against each other? (you can just answer yes or no)

Yogus asked Jul 13, 2023

by Yogus

7.1k points

2 answers

10 votes

34.5k views

A harmonic wave on a string is described by Y (x, t) = 0.1 sin (300t +0.01x + л/3) mm, where x is in cm and t is in seconds. a) Does the wave represent a travelling wave or a standing wave? b) What is

Rene Polo asked Jul 13, 2023

by Rene Polo

6.3k points

1 answer

20 votes

52.7k views

What is the mass of the gas that exactly fills a 200.0 ml container? The density of gas is 5g/ml

Gib asked Jul 13, 2023

by Gib

5.9k points

1 answer

5 votes

69.0k views

Ice chest / cooler A. Open system B. Closed system C. Isolated system

Wandarkaf asked Jul 13, 2023

by Wandarkaf

6.3k points

1 answer

3 votes

176k views

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