SmolBeanPotato
17.09.2019 •
Physics
Apply the impulse-momentum relation and the work-energy theorem to calculate the maximum value of t if the cake is not to end up on the floor. assume that the cake moves a distance d while still on the tablecloth and therefore a distance r? d while sliding on the table top. assume that the friction forces are independent of the relative speed of the sliding surfaces. you can easily try this trick yourself by pulling a sheet of paper out from under a glass of water, but have a mop handy just in case!
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Ответ:
Ответ:
240 V
Explanation:
Vp = 120 V
Np = 25
Ns = 50
Vs = ?
Vs / Vp = Ns / Np
Vs / 120 = 50 / 25
Vs / 120 = 2
Vs = 240 V