charlottehuber
contestada

A high-speed train accelerates at a constant rate in a straight line.
The speed of the train increases from 30 m/s to 42 m/s in 60 seconds.
a) Calculate the change in speed of the train

Respuesta :

dammyzee

Answer:

1/2

Explanation:

change=

[tex] \frac{60 - 30}{60} = \frac{30}{60} = \frac{3}{6} = \frac{1}{2} [/tex]