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Physics Questions and Answers (Q&A)

What would be the flow velocity and the gauge pressure in such a pipe on the top floor?
Donnaingusan
Answered: May 05, 2024
P2 = 2.8 x 105 Pa

Solution: By continuity equation: v2 = (A1v1) / A2 = ( (5.0 / 2)2 (0.60) ) / ( (2.6 / 2)2) v2 = 2.2 m/s By Bernoullis Equation: P1 + gh1 + (v1)2 = P2 + gh2 + (v2)2...Read More

1 Answer

498 views
What are the 4 basic laws of physics?
H. Martin, Content Writer
Answered: Feb 11, 2019
Force is best defined as the change of an object’s motion and possible direction due to an interaction. It will go unopposed. Velocity is the main thing that changes when a force occurs....Read More

2 Answers

488 views
What is the primary purpose of a lightning rod?
Qtkhmerqueen
Answered: May 05, 2024
Discharge the structure to which it is attached.

1 Answer

480 views
What is most likely to happen(in a series-connected string of holiday ornament bulbs) if one bulb gets shorted out?
L. Sevigny, Doctor
Answered: Aug 23, 2018
When one bulb is shorted out in the holiday string, the connection will continue. However, as one bulb is gone there is one less resistance. This means as the resistance goes down and the voltage...Read More

2 Answers

478 views
In which direction will the force on an electron moving in a magnetic field will be the largest?
John Smith
Answered: May 05, 2024
Perpendicular to the magnetic field direction

1 Answer

477 views
Which of the diagrams below best represents the image, represented by the pink arrow?
Chris Kenway, Content Writer
Answered: Jun 27, 2018
The answer to this is Image is reversed front to back in plane mirrors because this is the most accurate representation of the image. For those who are not familiar with a plane mirror, this is...Read More

2 Answers

454 views
Why can't we walk through a solid wall?
K. Myers, Blogger
Answered: Aug 02, 2018
Theoretically, we could. It’s been done on an electron. Quantum Mechanics is a helluva phenomenon. Scientists have seen an electron pass through an atom of a solid object. Quantum Mec...Read More

4 Answers

447 views
What is the distance between two peaks of a wave called?
RoggerFinch
Answered: May 05, 2024
Wavelength

1 Answer

442 views
What type of simple machine is a water well and bucket?
DanielCarig
Answered: May 05, 2024
Wheel And Axle

1 Answer

440 views
What is the characteristic of a static magnetic field?
Soumyadipb
Answered: May 05, 2024
It is conservatives.

1 Answer

436 views
What is the value of Formation Resistivity Factor?
Akshay
Answered: Dec 13, 2018
(1-0.80)^2= a/porosity^m * 1.33/19.2 F=a/porosity^m F=9.248 Formulause : Sxo^n=a/ porosity^m* rmf / rxo sxo= water saturation in flushed zone sxo= 1- oil sat...Read More

2 Answers

432 views
Which of the following (Alpha, Gamma, or Beta) has maximum penetrating power?
Basim
Answered: May 05, 2024
Gamma

1 Answer

432 views
What is the support polygon?
John Smith
Answered: May 05, 2024
The shape created where your robot touches the ground.

1 Answer

425 views
What is the approximate angular speed of a wheel rotating at the rate of 5.0 rev/s?
JustaguyLB
Answered: May 05, 2024
31 rad/s

1 Answer

425 views
What is the momentum of a massive object at rest?
L. Sevigny, Doctor
Answered: Feb 21, 2019
Very large is the answer to this question because the object is at rest. All of the objects that are not moving does not have any momentum because it is not moving. Even if the item is very...Read More

2 Answers

414 views

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