Physics, 02.12.2020 05:40 angelblalock5885
Un automóvil se mueve a velocidad constante v = 60 [km/h]. Si el tiempo de reacción del
conductor al ver la luz roja de una intersección es de 0.5 [s], y ´este desacelera a razón de
40 [m/s2
] ¿Qué distancia recorre el automóvil desde el instante en que el conductor nota
la se˜nal hasta detenerse por completo? Enti´endase por tiempo de reacci´on, el intervalo
de tiempo trasncurrido entre el instante en que se percibe la se˜nal y el instante en que
se lleva a cabo la acci´on (instante en que el conductor activa el sistema de frenado).
Answers: 1
Physics, 22.06.2019 18:30, yuvraj2298
Ahot-air balloon takes off from the ground traveling vertically with a constant upward acceleration of magnitude g/4. after time interval δt, a crew member releases a ballast sandbag from the basket attached to the balloon. how many seconds does it take the sandbag to reach the ground? (express your answer in terms of δt)
Answers: 2
Physics, 22.06.2019 21:00, rina62
On a mild saturday morning while people are working inside, the furnace keeps the temperature inside the building at 23degreesc. at noon the furnace is turned off, and the people go home. the temperature outside is a constant 16degreesc for the rest of the afternoon. if the time constant for the building is 3 hr, when will the temperature inside the building reach 18degreesc? if some windows are left open and the time constant drops to 2 hr, when will the temperature inside reach 18degreesc?
Answers: 3
Un automóvil se mueve a velocidad constante v = 60 [km/h]. Si el tiempo de reacción del
conductor a...
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