Answer:
The answer for this question is 146 neutrons
Answer:
c
Explanation:
When a satellite is orbiting the earth , a constant force is being applied on it which means it must has acceleration. Also the direction of satellite is always being changed when it is orbitting to there is always change in the velocity vector which means acceleration.
You can view in the attached diagram to understand how the velocity is being changed.
Answer:
an open system
Explanation:
which is contrasted with the concept of an isolated system which exchanges neither energy, matter, nor information with its environment.
No, speed is not a vector. it is scalar.
because it doesn't need direction but need magnitude.