Recent questions in Physics

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What does Supernova mean?

Ido Naveh asked Dec 26, 2023

by Ido Naveh

2.6k points

1 answer

31 votes

367k views

What happens to a satellite not moving fast enough to stay in orbit

SEU asked Dec 26, 2023

by SEU

2.9k points

2 answers

5 votes

352k views

What is newton's third law ?

Bcb asked Dec 26, 2023

by Bcb

2.6k points

1 answer

8 votes

271k views

Is bromine a solid, a liquid or a gas when the arrangement of particles is close together in a regular pattern?

Jheddings asked Dec 26, 2023

by Jheddings

2.5k points

1 answer

29 votes

490k views

Suppose the resistance of a copper wire is 1.05 N at 30°C. Find the temperature at which the resistance becomes 1.50 Ω.

Tomeduarte asked Dec 26, 2023

by Tomeduarte

2.9k points

1 answer

15 votes

300k views

Has no coal or oil. So, they went full nuclear.

ChrisJF asked Dec 26, 2023

by ChrisJF

2.6k points

1 answer

42 votes

358k views

What is the change of velocity of a 2000 kg car that is accelerated by a constant force of 4000 N acting for 10.0 s?20.0 m/s50.0 m/s5.0 m/s10.0 m/s

Jaleel asked Dec 26, 2023

by Jaleel

2.6k points

1 answer

34 votes

264k views

Why does Usain bolt run?

Zifot asked Dec 26, 2023

by Zifot

2.9k points

1 answer

34 votes

140k views

Melanie gets out of her car at the park. She walks 25 m to the trail entrance. She jogs around the trail until she reaches a pond, where she stops briefly. She then continues to follow the trail around

DrSAR asked Dec 26, 2023

by DrSAR

2.6k points

1 answer

11 votes

456k views

An elevator and its load have a combined mass of 1450 kg. Find the tension in the supporting cable when the cab, originally moving downward at 11 m/s, is brought to rest with constant acceleration in a

GoPro asked Dec 26, 2023

by GoPro

2.7k points

1 answer

10 votes

509k views

A major advantage of parallel circuits over series circuit is that: Select one:a.parallel circuits allow for many different appliances or loads to be used independently b.parallel circuits provide the

Lee Willis asked Dec 26, 2023

by Lee Willis

2.5k points

1 answer

6 votes

341k views

1. Which of the following transformations is an example of a β−-decay? 2.The unstable uranium nuclide 238 92U has a half-life of 4.5 billion years and decays into the thorium nuclide 234 90Th. The thorium

Vass asked Dec 26, 2023

by Vass

3.1k points

2 answers

32 votes

135k views

What are the effects/impacts of electromagnetism to our world??

Johannie asked Dec 26, 2023

by Johannie

2.7k points

1 answer

36 votes

517k views

Which car has the most momentum? A. 1820 kg car that is traveling east at 30 m/s

Patmood asked Dec 26, 2023

by Patmood

2.9k points

1 answer

40 votes

240k views

What is the formula between torque applied force and the lever arm?

Sadmansh asked Dec 26, 2023

by Sadmansh

2.7k points

1 answer

35 votes

329k views

A 50.0-kg box is being pulled along a horizontal surface by means of a rope that exerts a horizontal force of 250N. The coefficients of friction between the bottom of the machine and the floor are µk=

Andrew Parks asked Dec 26, 2023

by Andrew Parks

2.5k points

1 answer

6 votes

213k views

A person with a mass of 60.0 kg is traveling at 18 m/s. How much kinetic energy does this person have?

Agamov asked Dec 26, 2023

by Agamov

2.6k points

1 answer

15 votes

501k views

Using the equation f=c/a to calculate the frequency of ratio waves whose wavelength is 50m. A.0.6hzB.6x10^6hzC.6 megahertz D. Both b and c are correct

Cbrulak asked Dec 26, 2023

by Cbrulak

3.2k points

1 answer

19 votes

525k views

a block of mass m moving at a speed u collides with another block of mass 2m at res. The lighter block comes to rest after the collision. Find the coefficient restitution.

GrzegorzWRO asked Dec 26, 2023

by GrzegorzWRO

2.8k points

1 answer

39 votes

148k views

Conservation of Energy-not sure how to do problem-confused on how to find the speed and how to figure out energy bar graph

Per Quested Aronsson asked Dec 26, 2023

by Per Quested Aronsson

2.6k points

1 answer

2 votes

298k views

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