all of these formulas are derived from the “3 equations of motion”. so there are 4 possible combinations of elements that can be solved with the initial velocity formulas and we got 4 different formulas to solve them. so, we need different formulas to find the initial velocity within the limit of elements given to us. Initial velocity formulaīasically while finding the initial velocity of an object, not all the elements needed to find it is not present. Now we are having a good base on initial velocity, we can finally move to the “ Initial velocity formula“. but for a fact, we know time is never zero so we just consider a time instant where we can assume time t = 0. and here we decided to keep time instant t = 0. initial velocity is equal to final velocity.
If we assume at time instance t= 0, then the same thing happens. so that defines that initial velocity is the velocity of an object before being under the effect of acceleration ‘a’. so at any value of ‘t’ will not make any difference. now what? initial velocity is equal to final velocity. so, what does it prove? it’s not necessary that an object needs to be at rest for a velocity to be initial velocity ‘u’. Here v will have some value it can be zero, positive or negative. Difference Between Simple Pendulum and Compound Pendulum. Difference between Gravitational Force and Electrostatic Force. Simple Pendulum - Definition, Formulae, Derivation, Examples. Difference between Voltage Drop and Potential Difference. Difference between Static Friction and Dynamic Friction. Differences between ‘heat capacity’ and ‘specific heat capacity'. Difference between Wavelength and Frequency. Difference between Center of Mass and Center of Gravity. Difference Between Diode And Zener Diode. ISRO CS Syllabus for Scientist/Engineer Exam. ISRO CS Original Papers and Official Keys. GATE CS Original Papers and Official Keys.
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