Questions by Pablo Mescher

Questions by Pablo Mescher

Colin’s piano lesson is 45 minutes, or /4of an hour, long. If he practices 6 different songs and spends an equal amount of time on each song, what fraction of an hour does he spend practicing each song?

asked Sep 6, 2020

1 answer

1 vote

195k views

Which element allowed Britain to become a great power during the 13th century?

asked Apr 16, 2020

2 answers

5 votes

47.2k views

A 39-kg girl is bouncing on a trampoline. During a certain interval after leaving the surface of the trampoline her kinetic energy decreases to 160 J from 490 J. How high does she rise during this interval?

asked Apr 4, 2020

1 answer

5 votes

51.1k views

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