When t =0, the train has a speed of 8 m/s. which is increasing at 0.5 m/s^2. Determine the magnitude of the acceleration of the engine when it reaches point a

When t = 0, the train has a speed of 8 m/s, which is increasing at 0.5 m/s^2. Determine the magnitude of the acceleration of the engine when it reaches point A, at t = 20 s. Here the radius of curvature of the treks is 400 m

= 0.9519 m/s²

≅ 0.95 m/s²

Explanation:

see the attached file

a

explanation:

because they are cartillidge

electromagnetic waves travel through space with vacuums. give me brainliest if right.