Jorge Bayard
eNotes Educator
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About
My academic background consists of a bachelor's degree in physics with postgraduate studies in physics and physics teaching. As a teacher, I am able to work with students at different levels. I have researched the methodology of solving problems in physics and mathematics.
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Recent Activity

Answered a Question in Math
The velocity is a quantity that characterizes the kinematic state of a body. In general, the speed is defined as the ratio between space and time. Although the speed of a body may be different at... 
Answered a Question in Math
The logarithm of a number is the value that should raise the base to obtain this number. For example, the logarithm of the unit, with a base 10, is zero because the number 10 to the zero power is... 
Answered a Question in Science
To keep the rope stretched, the centrifugal force at the highest point of the movement must be at least equal to the sum of the weight of the ball and the tension in the rope, so that the equation... 
Answered a Question in Science
In Physics, force is defined as a vector quantity that is able to change the speed of kinematic state (motion or rest), of a body or that may cause deformation in bodies. When we want to change... 
Answered a Question in Math
A quadratic function has the form: y = ax^2 + bx + c The movement that makes this object is a uniformly varied movement, because it is subject to the acceleration of gravity. In these types of... 
Answered a Question in Math
Heron's formula allows finding the area of any triangle, knowing the lengths of its sides. According to the formula of Heron, the area of a triangle with sides a, b and c, has the following... 
Answered a Question in Science
Gravity is one of the four fundamental interactions of nature. Gravity is the cause of the forces of attraction between bodies with mass. According to the "law of universal gravitation of Newton",... 
Answered a Question in Science
A fluid, is a continuous medium consisting of a substance whose molecules have a very weak attractive force between them. The "fluid" term includes liquids and gases, which, unlike solids, can... 
Answered a Question in Math
Two lines are parallel if their slopes are equal. The equation of a line is as follows: y = mx + b Where m is the value of the slope of the line and b is the intercept. So that for each of the... 
Answered a Question in Math
In both cases we must find the rate of change of the hypotenuse of a right triangle. In part (a), the triangle is formed between the first base, second base and the runner; in part (b) the vertices... 
Answered a Question in Math
The radius of the sphere increases over time at a rate: vr = dr/dt = 4 mm/s The radius of the sphere is: r = D/2 = 40 mm To find the rate of variation of volume of the sphere, we derive the... 
Answered a Question in Math
We are interested in calculating the rate of change of the area. This can be interpreted as the derivative of the area with respect to time. The rate of increase of its length is: dl/dt = Vl = 8... 
Answered a Question in Science
The thermal dilatation is a property of materials. This property becomes more noticeable in metals. When the temperature of a metal body increases, its linear dimensions also increase When the... 
Answered a Question in Science
Definitely the answer is no. The electrical flow is a scalar quantity, defined as the number of electric field lines that cross at right angles, a surface. Gauss's law of electricity, which is... 
Answered a Question in Science
In a spacetime graph of a movement, the slope represents the speed of the movement. The equation of a straight line has the form y = mx + b, where m is the slope of the line and b is the value of... 
Answered a Question in Math
First, we find the equation of this line. This can be done by pointslope method in which, we first find the slope and then the intercept of the straight line. The equation of the line is: y = m x... 
Answered a Question in Science
According to Coulomb's law. the electric force between two charged particles is directly proportional to the product of the charges and inversely proportional to the distance between them squared.... 
Answered a Question in Science
According to Ampere's law, the magnetic forces between the two conductors are equal and opposite and have the following expression: F = μ0 I1I2 l/2Π R Where R is the distance between the wires, I... 
Answered a Question in Math
The integers, that are represented symbolically with the letter Z, are formed by the positive and negative natural numbers, including zero. The negative integers, are always lower than the positive... 
Answered a Question in Science
We must consider two related items with the electric charge: 1. Every body in the neutral state, has the same number of electrons and protons in its structure. The electrification of a body, is due... 
Answered a Question in Science
The proton is subjected to the magnetic force F = qv × B, called the Lorentz force. The direction of this force is obtained from the cross product of v and B resulting in a vector perpendicular to... 
Answered a Question in Science
A sound wave is the transmission in space and time, of the mechanical oscillations produced by a source. An electromagnetic wave is the transmission in space and time of electric and magnetic... 
Answered a Question in Science
A cloud is formed by a large number of water droplets. These droplets are formed when the water vapor rises from the surface of the earth. This vapor condenses upon contact with cold temperatures...
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