Answer:
a) pressure means force acted on a body per unit area
Answer:
The light moves through glass, then air
Most appropriate unit of measurement should be centimetres, cm.
|acceleration| = (change in speed) / (time for the change)
Change in the car's speed = (27 - 0) = 27 m/s
Time for the change = 10 sec
|acceleration| = (27 m/s) / (10 s) = 2.7 m/s² .
That's the magnitude of the car's acceleration.
We don't know anything about its direction.
Answer:
I would love to help, Could you put the question in English?
Explanation:
