Answer:
-10 m/s²
Explanation:
a = Δv / Δt
a = (20 m/s − 50 m/s) / 3 s
a = -10 m/s²
It shows that the airplane covers equal distance in equal time interval, that's it has a straight line from the origin.
The plane is moving at uniform speed.
Answer:
a galaxy observed at a distance of 5 billion light-years
Resistance = Voltage / current
Resistance = 66/4
=16.5ohms
Pls mark as brainliest
1. is D. Scientific method cannot be replaced.
2. is B.
3. is B as well.