Physics, 13.04.2021 14:00 Aydenj9613
2. As estrelas são muitas vezes classificadas pela sua cor gráfico representa a intensidade da radiacio
emitida por uma estrela, a determinada temperatura, em função do comprimento de onda
10
2.1. Indique a cor da radiação visível emitida com maior intensidade pela estrela
2.2. Calcule, no Sistema Internacional, a temperatura da estrela para a qual é máxima a potencia
irradiada, sabendo que essa temperatura corresponde a um comprimento de onda de 290 nm e que
T-2,898 x 10m. K.
Answers: 3
Physics, 22.06.2019 06:00
A1,700kg car is being used to give a 1,400kg car a push start by exerting a force of 140n the impulse on the smaller car during the 30.0s of contact is +670kg*m/s. what is the impulse of the smaller car on the larger car? -814 kg*m/s 0kg *m/s -670kg*m/s -550kg*m/s
Answers: 1
Physics, 22.06.2019 17:40
The first-order reaction a→2b+c has rate constant 0.538 s−1. if the initial concentration of a is 0.867 mol l−1, what is the half-life of the reaction in seconds? remember to use correct significant figures in your answer (round your answer to the nearest hundredth). do not include units in your response.
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Physics, 22.06.2019 18:00
Aprisoner is forced to go into one of three rooms, but he can choose which room. the first room is ablaze with fire. the second one is rigged with explosives that will go off as soon as he enters. the third contains a pair of lions who haven't eaten in years. which room should he choose to survive?
Answers: 2
2. As estrelas são muitas vezes classificadas pela sua cor gráfico representa a intensidade da radia...
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