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פּוֹפּוּלָרִי Word Problems >

A spherical snowball is melting. Its radius is decreasing at 0.2 centimeters per hour when the radius is 15cm. How fast is the volume changing at this time at this time?

פתרון

A s p h er i c a l s n o w ba ll i s m e lt in g . I t s r a d i u s i s d ecre a s in g a t 0.2 ce n t im e t ers p er h o u r w h e n t h e r a d i u s i s 15 c m . Ho w f a s t i s t h e v o l u m e c han g in g a t t hi s t im e a t t hi s t im e ?

פתרון

v o l u m e : 4500 π c m^{3}

+1

עשרוני

14137.16694 \dots

צעדי פתרון

Given:

r a d i u s : 15 c m

Sphere Volume:

V = 4500 π

v o l u m e : 4500 π c m^{3}

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