1) Maria saiu de Mosqueiro às 6 horas e 30 minutos, de um ponto da estrada onde o marco quilométrico indicava o km 60. Ela chegou a Belém às 7 horas e 15 minutos, onde o marco
quilimétrico da estrada indicava o km 0. Qual o módulo da velocidade média, em km/h,
do carro de Maria em sua viagem de Mosqueiro até Belém? Qual o tipo do movimento de
Maria, movimento progressivo ou movimento retrógrado?
(a) 45
(b) 55
(c) 60
(d) 80
(e) 120

Imagine you work as a consultant, and your daily job involves listening to the constructive criticism of others. as part of your job, you must listen to opposing viewpoints to make important decisions. in this activity, you are a consulting dam engineer. you must make a decision about four different dams; should they be repaired, taken down, or left alone? you will listen to contrasting opinions about what should be done with the dams before you make the final decision. as the consulting dam engineer, what do you decide to do with this dam? explain your reasoning. by making your decision, did you support the opinions of the mayor and/or the dam safety official? why or why not? (site 1)

Does work output exceed work input when a machine is used? a) yes, it does, as machines create energy. b) it depends on the type of machine used. c) no, it doesn’t, as machines are inefficient. d) no, it doesn’t, as machines cannot create energy.

Which of the following are considered noble gases? a. bromine b. neon c. argon d. chlorine