explain how average speed and average velocity are related to each other for an object in uniform motion
2 answers:
Explanation:
Average speed and average velocity both are different quantities.Speed is a scalar quantity but on the other hand velocity is a vector quantity.Speed deals with distance but on the other hand velocity deals with displacement and we know that displace is a vector quantity that is why velocity is a vector quantity.
If object is in uniform motion then speed and velocity will become same.
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Answer:
a) The electric field at that point is newtons per coulomb.
b) The electric force is newtons.
Explanation:
a) Let suppose that electric field is uniform, then the following electric field can be applied:
(1)
Where:
- Electric field, measured in newtons per coulomb.
- Electric force, measured in newtons.
- Electric charge, measured in coulombs.
If we know that and
, then the electric field at that point is:
The electric field at that point is newtons per coulomb.
b) If we know that and
, then the electric force is:
The electric force is newtons.