Recent questions in Physics

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A rock of mass 2.0 kg is dropped from rest from the top of a house. When it hits the ground, it has 225 J of kinetic energy. Calculate the height of the house.

Kwarrick asked Dec 24, 2023

by Kwarrick

4.9k points

1 answer

0 votes

74.4k views

What is the most common number of neutrons in an atom of argon?

Abu Saad Papa asked Dec 24, 2023

by Abu Saad Papa

5.3k points

1 answer

3 votes

42.7k views

Three cars collide, a 1500 kg sports car, a 1750 kg family car, and a 1200 kg compact car. Which experiences the greatest change in momentum? a. the sports car b. the family car c. the compact car d. not

Mpmp asked Dec 24, 2023

by Mpmp

4.7k points

1 answer

1 vote

190k views

How does changing the amplitude affect the wave speed

Raju Ahammad asked Dec 24, 2023

by Raju Ahammad

4.7k points

1 answer

2 votes

168k views

Particles q1, 92, and q3 are in a straight line. Particles q1 = -5.00 x 10-6 C,q2 = +2.50 x 10-6 C, and q3= -2.50 x 10-6 C. Particles q1 and q2 are separated by 0.500 m. Particles q and q3 are separated

Tspoon asked Dec 24, 2023

by Tspoon

5.4k points

1 answer

7 votes

74.6k views

Radio waves, infrared waves, visible light, and X rays, are all forms of energy that travel as what kind of waves?

Jimmy Geers asked Dec 24, 2023

by Jimmy Geers

4.9k points

1 answer

2 votes

223k views

What is alpha, beta and gamma radiation made of

Michael Daffin asked Dec 24, 2023

by Michael Daffin

5.3k points

1 answer

4 votes

230k views

Choose the internal and external structures you want to gather evidence and create a statement about write your structures in the space provided. for 35 points

Calumah asked Dec 24, 2023

by Calumah

5.5k points

1 answer

3 votes

155k views

Which of the following has greater kinetic energy? - A 20-tonne truck traveling at a speed of 30 m/s -A 1.2g dust particle traveling at 150 km/s through space.

Bryant Luk asked Dec 24, 2023

by Bryant Luk

4.9k points

1 answer

2 votes

61.5k views

How may the stability of a body be increased?

MrJLP asked Dec 24, 2023

by MrJLP

5.0k points

2 answers

4 votes

174k views

Pls help 50 points im really lost

Nils Cao asked Dec 24, 2023

by Nils Cao

5.3k points

2 answers

20 votes

159k views

3. Give an example of a mechanical wave that changes frequency.

Hejseb asked Dec 23, 2023

by Hejseb

4.9k points

1 answer

8 votes

10.6k views

Hello people ~ If a +ve charge is moved from low to high potential region, the electric potential energy: (a) decreases (b) increases (c) remain the same (d) may increase or decrease

Anurag Sinha asked Dec 23, 2023

by Anurag Sinha

5.0k points

2 answers

9 votes

157k views

What is the force in the equation, F=ma?

Brian Crist asked Dec 23, 2023

by Brian Crist

4.8k points

2 answers

19 votes

28.8k views

When the positively charged rod Q is brought close to rod R, rod R moves away from rod Q. Which conclusion can be made from this observation? A Rod R is charged, but it is not possible to identify the

Morganwahl asked Dec 23, 2023

by Morganwahl

4.5k points

1 answer

0 votes

187k views

A periodic wave has a wavelength of 1.6 m and a speed of 16 m/s. What is the wave frequency?

Luay asked Dec 23, 2023

by Luay

5.2k points

1 answer

2 votes

99.3k views

A 600-newton person runs up a set of stairs that is 2.5 meters high in 2 seconds. how much power has the person generated? 480 watts 750 watts 1500 watts 300 watts

Sanjeet asked Dec 23, 2023

by Sanjeet

5.0k points

1 answer

4 votes

13.5k views

It is your lucky day! You found a treasure map! Your friend exclaims "Egads! The measurement are scalar!". What does your friend mean? What is going through their head?

Water Magical asked Dec 23, 2023

by Water Magical

5.0k points

2 answers

5 votes

44.4k views

Davina accelerates a box across a smooth frictionless horizontal surface over a displacement of 18. 0 m with a constant 25. 0 n force angled at 23. 0° below the horizontal. How much work does she do on

Firdavs Kurbonov asked Dec 23, 2023

by Firdavs Kurbonov

4.9k points

1 answer

23 votes

37.5k views

The diagram shows the result when a student placed a magnet under a piece of paper, then sprinkled iron shavings on the paper. The magnetic material is distributed this way because magnets a. have magnetic

Growth Mindset asked Dec 23, 2023

by Growth Mindset

4.8k points

1 answer

3 votes

14.4k views

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