230 Best Physics Questions and Answers (Q&A) - ProProfs Discuss

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

5600 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

3118 views

What is the magnitudeÂ 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

2301 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

1406 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 26, 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 26, 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 26, 2024

1.4 km

1 Answer

1155 views

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