Question

A (m/s 2) = 5, s = 8.4m, v2 = 10. Find
u(m/s)​

Answer 1

Answer:

using the third equation of motion

u² = v² -2as

u² = 10 - 2 * 5 * 8.4

u² = 10 - 84

u² = -74

u = - √74