Physics, 07.06.2020 20:57 owenbarrows
Un remolque mueve un tren con infinitos vagones, cada uno con el doble de masa que el vagón anterior,
sosteniendo infinitas cajas, cada una con la mitad de la masa que la caja anterior, se mueve con aceleración
a. Calcule:
) La fuerza de reacción ejercida por la k-ésima caja del n-ésimo vagón
Answers: 2
Physics, 21.06.2019 18:00
Stars x and y are both bluish main sequence stars. star x has a higher absolute brightness than star y. how do the two stars compare? explain
Answers: 1
Physics, 22.06.2019 17:10
It's a snowy day and you're pulling a friend along a level road on a sled. you've both been taking physics, so she asks what you think the coefficient of friction between the sled and the snow is. you've been walking at a steady 1.5m/s, and the rope pulls up on the sled at a 32 ∘ angle. you estimate that the mass of the sled, with your friend on it, is 65 kg and that you're pulling with a force of 80 n .
Answers: 1
Physics, 22.06.2019 17:10
Which statement best describes the superposition principle? a.) if two in-phase waves arrive simultaneously at a point, their amplitudes add up b.) if two out-of-phase waves arrive simultaneously at a point, their amplitudes add up c.) if two in-phase waves arrive at a point one after another, their amplitudes add up d.) if two out-of-phase waves arrive at a point one after another, their amplitudes adds up
Answers: 2
Physics, 22.06.2019 19:30
Water is siphoned from a large tank and discharges into the atmosphere through a 50-mm diameter tube. the end of the tube is b = 2.6 m below the tank bottom which is a = 6.7 m deep, and viscous effects are negligible. determine the maximum height h over which the water can be siphoned without cavitation occurring. atmospheric pressure is 101.4 kpa, and the water vapor pressure is 1.79 kpa (absolute). report your answer in meters to two decimal places.
Answers: 1
Un remolque mueve un tren con infinitos vagones, cada uno con el doble de masa que el vagón anterior...
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