O que significa a palavra (Acnur)? * 3 pontos
a) Trata-se do nome do responsável pelo resgate.
b) Agência das Nações Unidas para os Refugiados.
c) É uma sigla que traz as iniciais dos sobreviventes.
d) Trata-se de um estrangeirismo.
Opção 5

Which statement correctly describes the current in a circuit that is made up of any two resistors connected in parallel with a battery? a. the current in the battery and in each resistor is the same b. the current the battery equals to the sum of the currents in the resistors c. the current in the battery is less than the current in either resistor d. the current in the battery equals to the product of the currents in the resistors

The first law of thermodynamics states that heat added to a system is neither created nor destroyed but is as it changes into other forms of energy.

To place a communications satellite into a geosynchronous orbit at an altitude of 22,240 mi above the surface of the earth, the satellite first is released from a space shuttle , which is in a circular orbit at an altitude of 185 mi, and then is propelled by an upper-stage booster to its final altitude. as the satellite passes through a, the booster's motor is fired to insert the satellite into an elliptic transfer orbit. the booster is again fired at b to insert the satellite into a geosynchronous orbit. knowing that the second firing increases the speed of the satellite by 4810ft/s, determine (a.) the speed of the satellite as it approaches b on the elliptic transfer orbit, (b.) the increase in speed resulting from the first firing at a.