Question

The brakes applied to a car

produce an acceleration of 6 m s-²
the opposite direction to the motion. If
the car takes 2 seconds to stop after the
application of brakes, calculate the
distance it travels during this time.​

Answer 1

Step-by-step explanation:

`from \: newton \: first \: equation \\ V = U + at \\ 0 = U + ( - 6 * 2) \\ U = 12 \: m {s}^( - 1) \\ from \: newtons \: third \: equation \\ {V}^(2) = {U}^(2) + 2aS \\ 0 = {12}^(2) + (2 * - 12 * \: S ) \\ 144 = 24S \\S = 6 \: m`