Question

KOD

d題目有點看不懂

HW-01

1. A balloon ascends into ts Sky ffom the ground With_ uniform Speed V. he

function of time t. (Hint: What Is dtanO/dt, using 了he chain rule?) (c) What is the

lnitial value of d6/dt? (d Show that when the ascent timetls large compared to R/V
that d6/dt ~ R/Vt.

恒
(9

人

Answer 1

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Sanbert Wong

不過解釋起來真的有點困難呢！

KOD

謝謝你~我算0是對的嗎？