Recent questions in Physics

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Compute the wavelength in air of ultrasound with a frequency of 60 kHz if the speed of sound is 344 m/s,

DarKoram asked Dec 25, 2023

by DarKoram

3.0k points

1 answer

16 votes

151k views

1. If I drop a watermelon from the top of one of the tower dorms at JMU, and it takes 3.50 seconds to hit the ground, how tall the building is in meters. What is the acceleration of the watermelon as it

Deepak Sisodiya asked Dec 25, 2023

by Deepak Sisodiya

2.7k points

1 answer

39 votes

527k views

Archimedes observed that a gold and silver crown displaced more water than a lump of pure gold, even though they both had the same mass. What conclusion did archimedes make from his observation?.

Djgandy asked Dec 25, 2023

by Djgandy

2.7k points

1 answer

16 votes

338k views

Describe What would happen to the temperature of boiling water if you added energy?

Gernot Ullrich asked Dec 25, 2023

by Gernot Ullrich

3.2k points

1 answer

42 votes

274k views

How do you think this Eskimo nebula could affect Earth and the organisms that live on our planet?

Myartsev asked Dec 25, 2023

by Myartsev

2.5k points

2 answers

5 votes

168k views

The magnetic field perpendicular to a single wire loop of diameter 10.0 cm decreases from 0.50 T to zero. The wire is made of copper and has a diameter of 2.0 mm and length 1.0 cm. How much charge moves

Joseph Victor asked Dec 25, 2023

by Joseph Victor

2.8k points

1 answer

14 votes

509k views

A 1.0 Ω resistor is hooked up to a 1.0 x106 Ω resistor in series and then in parallel. Calculate the total resistance for each situation and explain the dominance of one resistor.

Forever A Noob asked Dec 25, 2023

by Forever A Noob

2.4k points

1 answer

41 votes

274k views

How long did Kepler do his observations to find the elliptical orbit? Group of answer choices a. 8 days b. 8 years c. 8 weeks d. 8 months

Virendra Kumar asked Dec 25, 2023

by Virendra Kumar

2.8k points

1 answer

29 votes

307k views

Which simple machine is best used to split apart an object?a screwa levera wedgea pulley

Vinay Hunachyal asked Dec 25, 2023

by Vinay Hunachyal

2.8k points

1 answer

3 votes

47.3k views

The weight of an object at the surface of a planet is proportional to the planet’s mass and inversely proportional to the square of the radius of the planet. Jupiter’s radius is 11 times Earth’s, and its

Rytmis asked Dec 25, 2023

by Rytmis

3.0k points

1 answer

28 votes

165k views

The magnitude of a force acting on an object is equal to the amount of change in momentum divide by ?

Optilude asked Dec 25, 2023

by Optilude

2.9k points

1 answer

14 votes

483k views

Hello I need help with this question. I started it but am confused

JORDANO asked Dec 25, 2023

by JORDANO

2.7k points

1 answer

35 votes

297k views

a bolder of mass 45kg is pushed on a surface with a coefficient of kinetic friction of 0.85. what force has to be applied to produce an acceleration of 2 m/s^2

Isaac Vidrine asked Dec 25, 2023

by Isaac Vidrine

2.5k points

1 answer

19 votes

249k views

Derive Kinetic Energy and Potential Energy.

Nikhil Kashyap asked Dec 25, 2023

by Nikhil Kashyap

2.6k points

1 answer

28 votes

354k views

Is this true? If not why? If it is true, why? Thank you! Please help! Brian claims that only the muscular system is involved when body temperature drops. He says that shivering occurs when the body’s muscles

Jene asked Dec 25, 2023

by Jene

3.2k points

2 answers

30 votes

195k views

In order to catch a ball, a baseball player moves their hand backwards in the direction of the balls motion. Doing this reduces the force of impact on the players hand because A momentum of impact is increasedB

Dedman asked Dec 25, 2023

by Dedman

3.0k points

1 answer

4 votes

26.0k views

A kid is standing on a merry-go-round 1.14 m from the center rotating at 2.38 rad/s. What is his linear velocity?

Michael Sparmann asked Dec 25, 2023

by Michael Sparmann

2.5k points

1 answer

7 votes

364k views

Keontae shoots a basketball with a mass of 2.5 kg. The ball leaves his hand with a speed of 35 m/s. Find the energy of the ball.

Deniz Kaplan asked Dec 25, 2023

by Deniz Kaplan

2.9k points

1 answer

40 votes

178k views

A 12 gram bullet is accelerated from rest to 7.0X102 m/s as it travels down a 20. cm yun barrel. Pasume constant acceleration. What was the accelerating force

RylandAlmanza asked Dec 25, 2023

by RylandAlmanza

3.0k points

1 answer

42 votes

511k views

The magnetic field around a current carrying wire will be ___A) parallel to the wire B) in concentric circles around the wire C) neither of these

Scott Brickey asked Dec 25, 2023

by Scott Brickey

2.4k points

1 answer

4 votes

466k views

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