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Physics Questions and Answers (Q&A)

What happens whenever an object strikes a stationary object of equal mass?
W. Kaye, Ex-Marine
Answered: Jan 12, 2021
Whenever an object strikes a stationary object of equal mass, what happens is that there will be equal and opposite changes to the momentum of the two objects. That said, it will be wrong to...Read More

4 Answers

602 views
Which types of slope failure is the fastest?
Wyatt Williams
Answered: Apr 26, 2024
Rock fall

Chapter 10

1 Answer

588 views
What is the hardest branch of physics?
Carice Snow, Motivator
Answered: May 22, 2019
The correct answer is option A Velocity at maximum height (vf) = 0 Time it takes to reach maximum height (t) = 3.125s ∆d = vf x t – ½ at^2 ∆d = (0) – ½ at^2 ∆d = -...Read More

2 Answers

586 views
What is the mass of a common house fly?
Shaswell
Answered: Apr 26, 2024
0.01 gram

1 gram is roughly equal to 1 small paper clip or pen cap. Now how many flies would you have to put on the scale to equal the mass of a paperclip? 10? 100? 100? Actually a house...Read More

1 Answer

577 views
Who coined the equation E=mc^2 and what does it mean?
T. Perez
Answered: Sep 17, 2019
The correct answer to this question is Albert Einstein. He is a physicist, who coined the term. This is a formula, which correlates energy to mass. When he originally wrote the question, he wrote...Read More

5 Answers

556 views
How can the weight of a person be represented by the vector?
John Smith
Answered: Apr 26, 2024
Straight down, even if the person is standing on a hill.

1 Answer

550 views
Could this be possible according to what you know kinematics?
Anthony Paul Bonadio, Teacher
Answered: Jan 10, 2019
In science, kinematics refers to motion. It does not pertain to how the motion began or what caused it. Mathematics are also part of kinematics. Velocity and speed are included in the...Read More

2 Answers

541 views
Why does Ohm's Law fail?
F. Ray, Student
Answered: Oct 31, 2018
It should be remembered that while Ohm’s law seems to be very effective, it still has some limitations that should be noted. For example, it will not show details about how semiconductor...Read More

3 Answers

540 views
What is the difference between Density and Specific Gravity?
Larry Thornton, Student
Answered: Jun 13, 2019
Both specific gravity and density are mostly common in science subjects like physics and even chemistry. Specific gravity and density are not the same when you consider their meanings and how...Read More

2 Answers

536 views
Which force accelerate the car when you step on the accelerator to increase the speed of your car?
Dsj
Answered: Apr 26, 2024
The force of friction of the road on the tires

1 Answer

533 views
What is the velocity?
Marissa_santana
Answered: Apr 26, 2024
An object has constant non-zero velocity and changing acceleration

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1 Answer

522 views
What is the gravitational force between the satellite and Earth?
O. Bickis, Corporate employee
Answered: Apr 03, 2019
A is the answer to this question. In order to solve this, you need to consider Newton’s gravitational law. You just need to place all of the given data in a formula and you will most likely...Read More

2 Answers

521 views
What do you call the amount of space an object takes up?
John Smith
Answered: Apr 26, 2024
None of these

1 Answer

519 views
What does splitting a laser light into two beams through a silver mirror make?
RoggerFinch
Answered: Apr 26, 2024
Hologram

1 Answer

515 views
How wide is the slit?
John Smith
Answered: Apr 26, 2024
1. 2.3 X 10^-7 meters
Remember to divide the 9.2 cm by 2 because the equations that we know are for the distance from the center for any 1 side. Then use the equation and plug in the known...Read More

2 Answers

502 views

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