# Physics Questions and Answers (Q&A)

T. Perez
The correct answer to this question is B, Sensorimotor, preoperational, concrete operations, formal operations. The cognitive development theory was created by Jean Piaget. He was a Swiss...Read More

776 views
H. callum, Content Writer
Isaac Newton was a famous man who specialized in science and mathematics. Individually, he experimented with motion. He figured out and proved three laws. These were known as the first law,...Read More

764 views
J. Pollock, Science Professor
LDR is known as the Light Dependent Resistor. There are two main types of photosensors, and these are known as the LDR or Light Dependent Resistor and the photodiodes. If you were to ask someone...Read More

747 views
M. Porter, Senior Executive
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 when one falls. This gravity is exerted by...Read More

699 views
C. Bernthal, Teacher
Everyone knows that water comes in three primary forms. It could be a liquid, solid, or gas depending on the temperature. If the temperature is freezing, the water turns to a solid, which is ice....Read More

608 views
The correct answer to this question is B. If a rocket moves through empty space in a straight line with constant speed, far from the gravitational pull of any star or planet, this motion can be...Read More

590 views
Soccer_chick_evr
The trait perspective

589 views
Bergeront Tiffney, Computer Engineer
A net force is a remaining force that produces an acceleration of an object when all opposing forces that have been canceled out. Opposing forces decrease the effect of acceleration, which lowers...Read More

560 views
Y. Dawne, Content Blogger
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

535 views
Donnaingusan
2.5 x 105N/m2

Solution: First calculate the flow speed on the second floor, calling it v2, using the equation of continuity. We can call the basement point 1. v2 = (v1A1) / (A2) =...Read More

507 views
Robert Hazlewood, Senior Executive
The example of projectile motion is letter B. This is a type of action that is normally experienced by an object that is being thrown on the surface of the earth. Usually, the movement of the...Read More

485 views
Aidan_lynchcfc
Increases

477 views
Marissa_santana
An object has constant non-zero velocity and changing acceleration

464 views
O. Bickis, Corporate employee
When two objects collide like cars, it is important to determine the magnitude of the crash based on the velocity and speed of the two items. To do that, you need to divide the mass or weight of...Read More

462 views
Carice Snow, Motivator