Asked by flay
a block of ice released from rest at top of 400 m long ramp slides to the bottom in 2.20 seconds. what is the angle between the ramp and the horizontal
Answers
Answered by
Elena
s=at²/2
a=2s/t²
ma=mgsinα
sinα=a/g
a=2s/t²
ma=mgsinα
sinα=a/g
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