The amount of energy transferred is 4320 J
Explanation:
Power is defined as the amount of energy transferred per unit of time:
where
P is the power
E is the amount of energy transferred
t is the time
In this problem, we have:
P = 720 W is the power
t = 6 s is the time elapsed
Solving for E, we find the energy transferred needed to push the box:
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Nearly all light that strikes a transparent object will be absorbed by the object.
The correct answer is the last option. The force that moving, charged particles exert on one another is called electromagnetic force. This force involves physical interaction between two electrically charged particles. It is seen as electromagnetic fields such as electric fields, magnetic fields and light.
Violence and incivility between hospital employees can contribute to turnover of top performers, hinder effective teamwork, and jeopardize the quality of patient care.This is one of the most important reasons why violence and incivility in hospitals should be avoided at any cost so as to spare the employees and patients from harm and discomfort.
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Known :
v1 = 0 m/s
vt = 10 m/s
t = 4 s
Asked :
a = ...?
Answer :
a = (vt - v1)/t
= (10 - 0)/4
= 10/4
= 5/2
= <u>2 ½</u><u> </u><u>m/</u><u>s</u><u>²</u>
= <u>2</u><u>.</u><u>5</u><u> </u><u>m/</u><u>s</u><u>²</u>
<em>Hope </em><em>it </em><em>helpful </em><em>and </em><em>useful </em><em>:</em><em>)</em>