Answer:
B. interactive
Explanation:
newtons first law is inertia his second is acceleration and third is interactive.
Answer:
500km per hour
Explanation:
if in 2 hours the airplane flies 1000 km then 1000 divided by 2 is 500km per hour.
It is a physical change because the electric current is turning the water into a gas so its changing the state of matter
John's velocity is 20 m/s north.
Betty's velocity is 20 m/s south.
Their speeds are both 20 m/s.