alleryWhich equation gives displacement in terms of initial velocity, acceleration and time?
Av = u + at
Bv² − u² = 2as
Cs = ut + ½ a t²
Ds = vt − ½ a t²
Answer & Solution
Correct answer: C. s = ut + ½ a t²
1. The second equation of motion connects displacement, initial velocity, time and acceleration.
2. It is s = u·t + ½·a·t².
3. The first equation gives v in terms of u, a and t.
4. The third equation eliminates time and links v, u, a and s.
5. So option B is the correct displacement equation.
_Source: Selina Concise Physics ICSE Class 9, Ch 2 'Motion in One Dimension' (aplustopper.com extract)_
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