The cats have full bowls in the morning and afternoon, Katy can assume that the cats do not eat in the morning or afternoon. The bowls are replenished in the evening, which suggests that they become empty in the evening, which suggest that the pattern is that the cats eat in the evening so your answer would be C. Hope this helps. ;)
It will be 80 miles and it can be done only in 16 min
Velocity is distance/time
so 150/7200=.0208km/s
unless you have to convert it to miles or something else. but use the formula!
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You hang a 350 gram mass on a spring and its displaced 0.5 cm. Its spring constant is
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honestly i cant remember now. i think when i was stressed about school and how it destroyed my summer schedule