According to Hooke’s law, the force required to compress or extend a spring is directly proportional to the distance it is stretched. Formula of Spring Constant The formula of spring constant is given as: Formula F=-k x SI unit N.m-1 Where, F is the restoring […]
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 […]