What is NOT an example of Refraction. Remember to not give me an example.
1 answer:
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Answer:
Explanation:
t = Time taken =
i = Current = 3 A
q(0) = Initial charge =
Charge is given by
The magnitude of the net electric charge of the capacitor is
Answer:
35.6 N
Explanation:
We can consider only the forces acting along the horizontal direction to solve the problem.
There are two forces acting along the horizontal direction:
- The horizontal component of the pushing force, which is given by
with
- The frictional force, whose magnitude is
where , m=8.2 kg and g=9.8 m/s^2.
The two forces have opposite directions (because the frictional force is always opposite to the motion), and their resultant must be zero, because the suitcase is moving with constant velocity (which means acceleration equals zero, so according to Newton's second law: F=ma, the net force is zero). So we can write: