Recent questions in Physics

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1. Which of the following numbers has two significant digits? A. 0.01 B. 0.010 C. 10 D. 10.00

Benjaminhull asked Jul 9, 2023

by Benjaminhull

6.4k points

1 answer

5 votes

188k views

Liquid water cannot exist for very long on the surface of mars today because.

TokyoMike asked Jul 9, 2023

by TokyoMike

6.2k points

1 answer

5 votes

79.5k views

A circuit with a battery, a 3 Ω resistor, a 21 Ω resistor, and a 21 Ω resistor in parallel. The total voltage is the system is 1.0 V. What is the total resistance of the circuit?

Sudhir Jonathan asked Jul 9, 2023

by Sudhir Jonathan

6.5k points

1 answer

5 votes

181k views

P. A 300 kg pig is standing at the top of a muddy hill on a rainy day. The hill is 80 meters long with a vertical drop of 20 meters. The pig begins to slide in the mud down the hill. Ignoring friction,

Keith Pinson asked Jul 9, 2023

by Keith Pinson

5.6k points

1 answer

2 votes

26.7k views

A car of 10 kg is moving at a speed of 5 m/s collides with a stationary car of 25 kg. If the two cars lock together on impact, what's the combined velocity of the two cars after the collision?

Yonatan Brand asked Jul 9, 2023

by Yonatan Brand

6.4k points

1 answer

24 votes

279 views

As water is cooled, its density increases until it reaches about O A. 25° C B. -2° C O c. 4°C O D.O°C

Webwake asked Jul 9, 2023

by Webwake

6.4k points

1 answer

21 votes

119k views

A 15,000 kg tugboat is moving East at 6.0 m/s. A1.2 x 105 kg barge is moving West at 1.2 m/s. What is the momentum of this system?

Ashot Khachatryan asked Jul 9, 2023

by Ashot Khachatryan

5.9k points

1 answer

24 votes

218k views

Effect of earthquake Causes of earthquake and protection against earthquake. final conclusion

Ozeray asked Jul 9, 2023

by Ozeray

6.0k points

1 answer

22 votes

234k views

A 20 Kg bike is moving at 6 m/s down a hill. What is the momentum of the bike? Show your work

Akshay Khetrapal asked Jul 9, 2023

by Akshay Khetrapal

6.4k points

2 answers

7 votes

17.0k views

Do I fill out this chart right? Can you please check my work? Maybe I have some mistakes

Ben Myers asked Jul 9, 2023

by Ben Myers

5.9k points

1 answer

4 votes

151k views

5x-2=3 -5 + 4y = 9 solve the system of equiations

Daniele Pantaleone asked Jul 9, 2023

by Daniele Pantaleone

5.2k points

2 answers

1 vote

189k views

what must be the acceleration of a train in order for it to stop from 12 m/s in a distance of 541 m? (Assume the train accelerates uniformly.)

Pedro Henrique asked Jul 9, 2023

by Pedro Henrique

5.4k points

1 answer

5 votes

151k views

You are asked to make a drawing of a magnet showing its field lines. A magnet's field lines always begin near the magnet's ______ and end near the ________ A. Center, center B. North pole, South Pole C.

Steve Wilhelm asked Jul 9, 2023

by Steve Wilhelm

6.7k points

1 answer

14 votes

4.1k views

Pls see attachment and answer. If u don't know the answer ignore

Atron Seige asked Jul 9, 2023

by Atron Seige

6.7k points

1 answer

0 votes

168k views

A 0. 5 kg arrow was shot at a target. The arrow accelerated at 200 m/s2. What was the net force on the arrow to the nearest newton?

Agriboz asked Jul 9, 2023

by Agriboz

5.7k points

1 answer

11 votes

169k views

A raft that has a density of 710 kg/m^3 is set in a lake of fresh water (density = 1000 kg/m3).The volume of the raft is 2.9 m3 and the area of the top of the raft is 5.6 m. What is the height h of the

Ram Pukar asked Jul 9, 2023

by Ram Pukar

5.7k points

1 answer

0 votes

128k views

A jet is traveling at 458 m/s when a parcel is dropped from the jet. If the jet is 8000 m high how far forward horizontally from the spot where it leaves the jet does the parcel move during its drop? Please

Yarun Can asked Jul 9, 2023

by Yarun Can

6.1k points

1 answer

0 votes

71.4k views

llusA wrecking ball on a 15.4 m longcable is pulled back to an angle of33.5° and released. At what speedis it moving at the bottom of itsswing?(Unit = m/s)

Sfsr asked Jul 9, 2023

by Sfsr

5.7k points

1 answer

4 votes

129k views

How is pitch and resonance related

Jay Elston asked Jul 9, 2023

by Jay Elston

6.1k points

1 answer

10 votes

142k views

If velocity is in m/s and time is in sec, what is the unit of acceleration?

Traycho Ivanov asked Jul 9, 2023

by Traycho Ivanov

5.1k points

1 answer

4 votes

69.8k views

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