Answer:
-10 m/s²
Explanation:
Average acceleration is change in velocity over change in time.
a = (v − v₀) / (t − t₀)
a = (0 m/s − 20 m/s) / (2 s − 0 s)
a = -10 m/s²
Well, each of them is more complicated that the typical average Brainly question. But yes, with some time and effort invested, I believe I could answer all three.
Answer:
The length of the wire is 2.86 m
Explanation:
Given:
Current A
Magnetic field T
Force N
Angle between wire and magnetic field 46°
The magnetic force on the current carrying wire is given by,
Where length of wire
m
Therefore, the length of the wire is 2.86 m
Centrifugal force is not a real force.
When you move around a curve, there IS a real force pulling you
around the curve. Since your body wants to go straight, it feels as if
there's a force trying to pull you away from the curve. But there isn't.
That feeling of a force is greater when your speed around the curve
is greater, or when the curve is tighter, i.e. smaller radius.