Heat of Reaction Therefore, the heat of reaction formula is given by Q = mcΔT Where, m is the mass of the medium, c is the specific heat capacity of the medium, ΔT is the difference in temperature of the medium. Solved Examples Example 1 […]
Torque is described as the turning effect of force on the axis of rotation. In brief, it is a moment of force. It is characterized by τ. Torque formula is articulated as Where,Force applied = FFrom the axis of rotation the perpendicular distance of force […]
The wind energy formula is given by, Where, P = power, ρ = air density, A = swept area of blades given by where r is the radius of the blades. V = velocity of the wind. Related Topic : Chemistry Formulas List Maths Formulas […]
Depending on the nature of the surface charge density is given as the following Linear Charge Density where q is the charge and l is the length over which it is distributed S.I unit of Linear charge density is coulomb/m Surface Charge Densityσ = q […]
Formula of Instantaneous SpeedIts formula is articulated as Where, t is the time taken x is the displacement It is made use of to calculate the rate of change of displacement for any given instant of time. It is articulated in meter per second (m/s). […]
The heat index formula is expressed as, HI= c1+c2T+c3R+c4TR+c5T2+c6R2+c7T2R+c8TR2+c9T2R2 In this formula,HI = heat index in degrees FahrenheitR = Relative humidityT = Temperature in ∘Fc1 = -42.379c2= -2.04901523c3 = -10.14333127c4 = -0.22475541c5 = -6.83783 x 10−3c6 = -5.481717 x 10−2c7 = -1.22874 x 10−3c8 = […]
Drag Coefficient FormulaFollowing is the formula used to calculate the drag coefficient: Where, Cd is the drag coefficientρ is the density of the medium in kg.m-3V is the velocity of the body in km.h-1A is the cross-sectional area in m2 Solved ExamplesQuestion 1. A car […]
Stress formula is articulated as Where, =Stress(N/m2) F =Force appliedA =Area on which force is acting Stress formula is made use of to find stress applied on any given body if force and area on which force is exerted is given in the problem. Related […]
Linear Speed Formula is articulated as: Where, the distance travelled is s andthe time taken is t Linear Speed Formula in the sense of angular speed is articulated as v = wr Where, the angular speed is ω andthe radius of the circular path is […]
The formula for the magnetic field of a solenoid is given by, B = μoIN / L Where, N = number of turns in the solenoid I = current in the coil L = length of the coil. Please note that the magnetic field in […]
The measure of the amount of electric charge per unit time that flows through the unit area of the cross-section. The Current density is a vector quantity. Therefore, it has both magnitude and direction. The S.I unit of Current density is A/m2 and is denoted […]
Table of Contents: Formula of Average Speed Average Speed Solved Examples Formula of Average Speed The formula for average speed is found by calculating the ratio of the total distance traveled by the body to the time taken to cover that distance. The average speed […]
ResistanceResistance is the measure of opposition applied by any object to the flow of electric current. A resistor is an electronic constituent that is used in the circuit with the purpose of offering that specific amount of resistance. Resistance FormulaThe resistance of any object is […]
Definition: Any object located in the field of the earth experiences a gravitational pull. Gravitational acceleration is described as the object receiving an acceleration due to the force of gravity acting on it. It is represented by ‘g’ and its unit is m/s2. Gravitational acceleration […]
The heat load formula is given as, Heat load = Q = m × Cp ×ΔT Where, Q = Heat load (kW) m = mass flow rate (kg/s) Cp = specific heat (kJ/kg K or kJ/kg oC) ΔT = change in temperature (K or 0C) […]