# Physics Questions and Answers (Q&A)

J.Barbara
Among the six guitar strings that have the same length and same tension, the string where waves travel faster is the one with the thickest string because according to Newton’s second law,...Read More

T. Perez
The correct answer to this question is B, Inversely proportional. A proportion is inverse when two variables have a relationship that leads to their product equating to a constant value. In other...Read More

H. Martin, Content Writer
Piaget developed a theory of cognitive development for human intelligence. he observed and evaluated the nature of the human mind. His full name was Jean Piaget and he was a Swiss...Read More

High Resistivity is not always an indicator of Hydrocarbons, it can be due to low porosity instead. In other words, High resistivities reflect either hydrocarbons in the pores or...Read More

Beatriz
This question is incorrect. The formula of velocity is V=d/t, V being velocity, d being distance and t being a period of time. Velocity has nothing to do with the mass of an object, but rather...Read More

V. Barnes
The correct answer to this question is A, Up. Force is related to the subject of physics. It is not something we can see, but the force is all around us. It helps keep the world going. One...Read More

Yes I got D - but sound waves can travel through gases
- they are just a transfer of energy and everyday we hear each other by the wave of energy travelling thorugh gas

Carice Snow, Motivator
The correct answer to this question is A. The total electric potential energy is doubled. This type of problem would be on a physics test. Also known as electrostatic potential energy, inherent...Read More

Carice Snow, Motivator
The correct answer is option A Velocity at maximum height (vf) = 0 Time it takes to reach maximum height (t) = 3.125s âˆ†d = vf x t – ½ at^2 âˆ†d = (0) – ½ at^2 âˆ†d = -...Read More

C. Perez, Writer
The correct answer to this question is B, 4.47 m/s. This question would most likely be asked to one studying to obtain their pilot license. Physics are important to understand before one decides...Read More

J. Emmerich, Web Content Writer
The answer to this question is letter A. -0.720 m/s2. If in case you are not familiar with acceleration, this is the rate of change in the object’s velocity as it starts to move. If in case...Read More

M. Parker, Internet Researcher
To find the volume of the box Mary makes you must first multiply the length and breadth of her starting rectangle (1500cm) then multiply that number by 3, because the box will be 3 cms high....Read More

H. callum, Content Writer
It is not unusual for a driver of a beautiful sports car to see how fast the car can drive. It is also not uncommon for this driver to then see how quickly it can stop. Whenever someone stops...Read More

L. Brett, Sales Manager
The correct answer is option D
∑F = ma
Fn – Mg = Ma
a = âˆ†V/âˆ†t
a = 6m/s – 0m/s /3sec
a = 2m/s2
Fn = 600 + (60kg 2)
= 600 +120