“Is it true or wrong to say that an automobile at rest can be accelerating very fast? Either yes or no explain it with mathematical background

Yes.

a = dv/dt

but v might be zero in an instant.

Take the example of a pendulum.

the expression 15n + 2(3p) represents the amount isaiah spent buying gasoline and snacks, where n represents the price of each gallon of gasoline and p represents the cost of each snack that he bought. which statement is true about the amount isaiah spent?

the duration of a photographic flash is related to an rc time constant, which is 0.100 μs for a certain camera.