Electrical current is defined as the flow of electric charge per unit time.
No it cannot because you would have to test it over and over again to make sure it was correct the first time.
The magnitude of the electric field is 
Explanation:
The electrostatic force experienced by an electric charge immersed in an electric field is given by
where:
q is the charge of the particle
E is the strength of the electric field
F is the force
In this problem, we have:
is the charge of the particle
is the force
Therefore, we can find the electric field by solving the equation for E:
Learn more about electric force:
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Hello there,
I think "<span>convex mirror" would be your answer!</span>
The acceleration of the box as it slides down the ramp is 4.9 m/s².
<h3>
What is the acceleration of the box down the incline?</h3>
The acceleration of the box down the incline is determined by applying Newton's second law of motion as shown below;
F - Ff = ma
where;
- F is the parallel force on the box
- Ff is the frictional force on box = 0
- m is the mass of the box
- a is the acceleration of the box
F - 0 = ma
F = ma
mg sinθ = ma
g sinθ = a
where;
- g is acceleration due to gravity
- θ is the angle of inclination of the incline
a = 9.8 x sin(30)
a = 4.9 m/s²
Learn more about acceleration here: brainly.com/question/14344386
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