(20pts) This problem is an exercise in subject matters thatought to be familiar

can you please upload the graph

ID: 1830309 • Letter: #

Question

(20pts) This problem is an exercise in subject matters thatought to be familiar to you. It

entails interpreting graphs, calculus and handling unitsunits of di
erent kinds. The graph

used throughout this problem appears in gure P1.16, Problem16 in Chapter 1. Knowing

that power is the rate of change of energy wemathematically model that relationship as

w(t2;t1) =p()d

where p(t) is the power in Watts, w(t) is the energy in Joulesand t is time inseconds.

(a)If the variable in the vertical axis is energyin Joules(instead of charge in Coulombs)

give a complete de nition for the power as function of timefor - < t <.Assume

that the function is zero where not shown and give apiecewise de nition for the power

(b)What is the de nition for the power if the units of energyare J (micro Joule) andthe

units of time are ns (nanosecond).

(c)Assume now that the same graph describes power as function oftime with unit of kW

(kilo Watt) and th time is in hours. Determine the energy on the interval4 <_ t <_ 5.

(d)What is the total energy; i.e.,for - < t <

can you please upload the graph

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