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Physics Questions and Answers (Q&A)

Misschowj
Answered: Feb 23, 2020
A

The normal contact force (NCF) is always perpendicular to the surface. A is the NCF acting on the block by the surface, while C is the NCF acting on the surface by the block.

2 Answers

207 views
L.Steven
Answered: Jan 07, 2018
The correct answer is, force on the truck is equal to the force on the car. Topics like these are covered in the domain of physics called Newtonian mechanics. It is also referred to as classical...Read More

2 Answers

201 views
Chris Kenway, Content Writer
Answered: Jun 27, 2018
The answer to this is B because this is the most accurate representation of the image. For those who are not familiar with a plane mirror, this is the type of mirror that people normally use in...Read More

2 Answers

216 views
B is the answer to this question. To solve this question, you need to know what equation should be used. The proper formula is v2 = u2 + 2as. That will be 7.1² - 0² over 2.35.4. This...Read More

2 Answers

211 views
John Adney
Answered: Aug 16, 2017

Angle of reflection equals to theAngle of incidence = 90 - 50 = 40

2 Answers

201 views
Bergeront Tiffney, Computer Engineer
Answered: Feb 28, 2019
The answer to this is True. The simple machine can increase the force that is placed in order to use it but will not be able to increase the amount of energy that you can apply to it. This is...Read More

2 Answers

243 views
J. Harty, Writer
Answered: May 02, 2019
D is the answer to this question. They will hold the same charge. In order to understand why it should be remembered that capacitance will only be dependent on the radius of the charged sphere...Read More

2 Answers

215 views
Anthony Paul Bonadio, Teacher
Answered: May 02, 2019
A is the answer to this question. Aside from the actual speed, we should also take note of the direction of the ball and the direction that the bus is going through. From the person who is at the...Read More

2 Answers

218 views
Y. Dawne, Content Blogger
Answered: Feb 07, 2019
The correct answer to this question is C. In thermal equilibrium, it is observed that a higher temperature object which is in contact with a lower temperature object will transfer...Read More

2 Answers

269 views
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

221 views
Samantha Stewart, Philanthropist
Answered: Jan 03, 2019
The sine angle is the right answer to this question which means that letter D should be your choice. For those who do not know, sine is one of the trigonometric functions of a particular angle....Read More

2 Answers

218 views
Bunglophil
Answered: Dec 09, 2016
How do you get 100 m/s if you don't know the mass of the object? Shouldn't it be 10m/s^2

2 Answers

205 views
John Smith
Answered: Feb 23, 2020
Filter

2 Answers

201 views
Amirthavarshni
Answered: Jan 13, 2017
Hydro electric power

2 Answers

204 views
M. Porter, Senior Executive
Answered: Apr 10, 2019
The correct answer to this question is E. It is "G", no more and no less. This question can be found on Physics tests. In this answer, g (also known as G-forces) is the amount of gravity exerted...Read More

2 Answers

256 views
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