What is the formula of acceleration of gravity

What is the formula of acceleration of gravity

H = 1 / 2GT ^ 2 (free fall)

The solution of alternating voltage formula NBS ω sin ω t (or COS)
There are two formulas for calculating electromotive force in senior high school, one is e = BLV, the other is e = n * Δ φ / Δ T. it is not difficult to obtain nbsw with the first BLV formula. How can I express it with the second formula?
Specific quantity: square wire frame side length L, n = 1, magnetic field intensity B, wire frame axis rotation, time variable t, start state optional.

It is difficult to explain here. We mainly use the concept of derivation in calculus. In fact, Δ φ / Δ t is the derivative of magnetic flux φ to time t, where φ = bscos (WT), and E = nbwsin (WT) can be obtained by simply deriving from time
It seems that now high school mathematics also talks about the concept of limit, you might as well have a look

Is the instantaneous value formula of induced electromotive force E = NBS ω cos θ or NBS ω sin θ

Generally speaking, the latter one mainly depends on how angle theta is defined