Question

The acceleration of a moving particle whose space-time equation is given by s = 7t² - 3t + 8, is ______

पर्याय

• 14

• 7

• 0

• 1

Answer 1

The acceleration of a moving particle whose space-time equation is given by s = 7t² - 3t + 8, is 14.

Explanation:

s = 7t² - 3t + 8

∴ `(ds)/dt = 14t - 3`

∴ Acceleration = `(d^2s)/(dt^2) = 14`