Answer:
Add the two speeds together.
Then, divide the sum by two. This will give you the average speed for the entire trip. So, if Ben traveled 40 mph for 2 hours, then 60 mph for another 2 hours, his average speed is 50 mph.
That's false. No medium = no sound.
Explanation:
the average velocity of the car is 15 m/s example I have this on a test
Answer:
I think the Bulb No. 2 will stop emitting light if the bulb No. 1 burns out.
