Recent questions in Physics

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Name the phenomenon in sterilization of surgical instruments

Charlotte Russell asked Dec 22, 2023

by Charlotte Russell

5.7k points

2 answers

2 votes

22.5k views

Need help with the second one! This question is based on the movie “Interstellar”

Jose Haro Peralta asked Dec 22, 2023

by Jose Haro Peralta

6.0k points

1 answer

5 votes

114k views

How much louder than a 20-decibel whisper is in the 60-decibel sound of a vacuum cleaner ?

Friendly Crook asked Dec 22, 2023

by Friendly Crook

5.6k points

1 answer

5 votes

53.6k views

One mole of magnesium (6 × 1023 atoms) has a mass of 24 grams, as shown in the periodic table on the inside front cover of the textbook. The density of magnesium is 1.7 grams/cm3. What is the approximate

Nick Chapman asked Dec 22, 2023

by Nick Chapman

4.9k points

1 answer

12 votes

78.0k views

What is the best way to arrange the magnets on the train and on the track so that the model train levitates?

Uri Barenholz asked Dec 22, 2023

by Uri Barenholz

6.1k points

1 answer

4 votes

166k views

The binding energy of a nucleus is always negative. Is this true or false?

AspergillusOryzae asked Dec 22, 2023

by AspergillusOryzae

5.5k points

1 answer

0 votes

92.0k views

On his most recent trip to the running store, Andy noticed that the water bottles for his favorite hydration belt were on sale. They were usually priced at $8, but they were on sale for $5. The store owner

Pingpong asked Dec 22, 2023

by Pingpong

5.8k points

1 answer

0 votes

202k views

natasha weighs 530 n what is her kendrick energy as she swims at a constant speed covering a distance of 72 m in 1.0 min

Ankur Banerjee asked Dec 22, 2023

by Ankur Banerjee

6.1k points

1 answer

5 votes

86.2k views

I NEED HELP ASAP!!! Which two methods of transport are highly interconnected and often work together? A) maritime and rail B) air and maritime C) road and rail D) rail and air

Anurag Misra asked Dec 22, 2023

by Anurag Misra

5.8k points

2 answers

13 votes

220k views

Use an FBD and data from #2, calculate the net force acting on a satellite at 2/3 the distance to the Moon from the Earth. If the satellite is 1200 kg, what is the net gravitational field constant here?

Wook asked Dec 22, 2023

by Wook

6.0k points

1 answer

5 votes

214k views

What increases the transfer of the wind's energy to the water? Question 4 options: A. flat water B. large waves C. large rocks PLEAS HELP ME FAST

Akash Goyal asked Dec 22, 2023

by Akash Goyal

6.3k points

1 answer

15 votes

99.4k views

If you wanted to increase the speed of a sound wave traveling through a certain medium, which of the following would most likely help?A. Increase the temperature of the medium.B. Decrease the amplitude

Lavir The Whiolet asked Dec 22, 2023

by Lavir The Whiolet

5.8k points

1 answer

1 vote

203k views

The Round Up carnival ride below has a radius of 3.90 meters and rotates 0.527 times per second. As shown, riders can be held up by only friction. What coefficient of friction is needed to keep the riders

Mohamed Emad Hegab asked Dec 22, 2023

by Mohamed Emad Hegab

4.8k points

1 answer

5 votes

30.7k views

pls help!! An object 0.5 m tall is placed 2.5 m in front of a convex mirror that has a focal length of -80 cm.

Srihari asked Dec 22, 2023

by Srihari

5.7k points

1 answer

25 votes

48.9k views

Hi how to compute this?I use only this appliances Electric fan (0.10kw) usage 7hours daily Radio (0.13kw) usage 3 hours daily Flat iron (4kw) usage 1hour daily Led light bulb (60 watts,) 8hours daily

Stanislav Yaglo asked Dec 22, 2023

by Stanislav Yaglo

5.7k points

1 answer

0 votes

53.6k views

Students have a small steel ball and a large steel ball, and they have a short ramp and a tall ramp. The students want to find out if a ball's size affects how far it can roll. They also want to find out

Koolmees asked Dec 22, 2023

by Koolmees

5.9k points

2 answers

2 votes

228k views

Strength training is beneficial because it decreases your risk of injury. Which statement BEST describes why this is true? A. Muscular fitness training can prevent or improve diabetes and sarcopenia. B.

Cruncher asked Dec 22, 2023

by Cruncher

5.6k points

1 answer

0 votes

27.2k views

The postal service will not ship goods over 50 lbs without a special label. Donovan wants to estimate the weight of his package so he doesn't exceed the weight limit. He has a cast iron skillet that weighs

Julien Couvreur asked Dec 22, 2023

by Julien Couvreur

5.9k points

1 answer

4 votes

187k views

A security policy is a _____.

Twinfriends asked Dec 22, 2023

by Twinfriends

5.9k points

1 answer

1 vote

202k views

a marble with a velocity of 4m/s rolls off a shelf 3 meters above the floor. How long does it take for the marble to reach the ground

Romarie asked Dec 22, 2023

by Romarie

5.4k points

1 answer

3 votes

34.7k views

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