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Physics Questions and Answers (Q&A)

What is the total displacement of a student who walks 3 blocks east, 2 blocks north, 1 block west, and then 2 blocks south?
J.Spencer, Knowledge enthusiast
Answered: Dec 26, 2018
The correct answer is 2 Blocks East. N=2, S=(-2), E=3 and W=(-1) Where N is north, S is south, E is East and W is West. Total displacement= N+E+S+W T.D.= 2+3+(-2)+(-...Read More

5 Answers

5599 views
How far away must (s)he sit?
O. Bickis, Corporate employee
Answered: Jan 03, 2019
The answer to this is letter 4 meters. The reason for this is based on the weights of the people who are using the see-saw. You should remember that the person on one side is 600 N while the...Read More

5 Answers

4723 views
What is the surface area of this triangular prism?
J. Rogers, Rosshazlewood
Answered: Sep 30, 2020
Finding the area of a triangular prism can be easy as long as you know the various things that you have to do. These are the steps that you have to do: * You need to add the three s...Read More

5 Answers

3117 views
What is the magnitude of the ant's displacement relative to its original position?
Barry Mclean, Sales Manager
Answered: Apr 03, 2019
29 cm is the right answer to this problem. To get the magnitude, first, we add all the distances or vectors covered by the ant. So, 30 cm East plus 25 cm North plus 15 cm West and we get 70 cm....Read More

2 Answers

2362 views
What pair of terms best describes light waves traveling from the Sun to Earth?
G. Woods, College student
Answered: Sep 24, 2020
The best pair of terms that describes light waves traveling from the sun to earth are electromagnetic and transverse waves, this is due to the fact that electromagnetic wave is waves created...Read More

2 Answers

2297 views
What would a person weigh on a hypothetical planet whose mass is 1/100 of earth and its radius is 1/4th of the earth and he weighs 600N on Earth?
J. Alfie, Content Writer
Answered: Dec 14, 2020
The correct answer is 96N.
The individual will weigh 96N on the planet.
We know that weight is calculated with the mass of an object multiplied by the gravitation force; W =mg.Read More

3 Answers

2136 views
What is the width of the central maximum (in cm) in the diffraction pattern on a screen 5.0m away from a single slit 1.00mm wide which is illuminated by 450nm light?
Danny R. Glover, Editor
Answered: Aug 29, 2018
The width is 0.45 cm. The width of the central max is inversely proportional to the slit’s width. The central maximum is known to be the area wherein the light is the most intense and the...Read More

2 Answers

2054 views
What is the only possible resultant magnitude that you can obtain out of the following choices?
Robert Hazlewood, Senior Executive
Answered: Dec 14, 2018
If you are only adding vectors of length 20 and 40 units, the only possible resultant magnitude that you can obtain out of the following choices is 37. So the important thing to know about...Read More

2 Answers

1573 views
What is the impulse on a 45,000 kg airplane when it changes its velocity from 242 m/s to 258 m/s?
W. Kaye, Ex-Marine
Answered: Apr 04, 2019
A is the answer to this question. One of the things that you have to remember is this problem is solved assuming that the mass of the plane will remain the same the whole time. If this would...Read More

2 Answers

1445 views
How can you calculate the magnitude of the baseball players' displacement from the batter's box?
L. Sevigny, Doctor
Answered: Sep 10, 2018
The answer to this is number 2. This means that the displacement is 6.0 m shorter. To answer this properly, you need to know the difference between distance and displacement. Distance is known to...Read More

4 Answers

1405 views
What are the 7 branches of physics?
Anthony Paul Bonadio, Teacher
Answered: Mar 27, 2019
Diagram A Shows a ray of light passing through glass. When light passes through glass, the light ray refracts, which means it bends towards the middle. Refraction or deflection is the bending of...Read More

2 Answers

1401 views
Which has greater kinetic energy, a car traveling at 30 km/HR or a car of half the mass traveling at 60 km/HR?
Qtkhmerqueen
Answered: Dec 22, 2024
The 60 km/hr car

1 Answer

1334 views
What will happen when a lot of damage is done on the car?
M. Klose, Content Writer
Answered: Nov 06, 2018
In scientific terms, force means that there is some sort of interaction with another object will cause that object to change in some manner. The change could be the direction or speed among other...Read More

2 Answers

1275 views
What is the hydraulic system?
Monicayht
Answered: Dec 22, 2024
The pressure exerted on a small piston is equal to that on the larger piston.

1 Answer

1179 views
What is the magnitude of the student's resultant displacement closest to?
Bilbojaggens
Answered: Dec 22, 2024
1.4 km

1 Answer

1154 views

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