Answer:
Electricity is the set of physical phenomena associated with the presence and motion of matter that has a property of electric charge
Magnetism is a class of physical phenomena that are mediated by magnetic fields.
there both physical phenomena the difference is that one is mediated bye magnetic fields and the other associated with the presence and motion of matter
Explanation:
Answer:
7.84 s
Explanation:
Ok, one step at a time. We know the mass of the projectile, we know the force. Acceleration is easily obtained from Newton second law:
.
At this point, we know the acceleration, we know initial and final velocity, we can time the ammount of time it took to get there.
Answer:
Cost–benefit analysis, sometimes also called benefit–cost analysis, is a systematic approach to estimating the strengths and weaknesses of alternatives used to determine options which provide the best approach to achieving benefits while preserving savings.
Explanation:
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