Assinale a alternativa incorreta quanto ao uso do acento indicativo crase: a) ela escrevia á lápis b) ele se referiu ás pessoas de boa memória c) iremos á escola amanhã d) referiu-se á turma do 8 ano e) eles chegaram a casa bem tarde me ajuda pf

Explain why the aperture of the spherical mirror should be small compared to the radius of curvature of the mirror.

Aplane takes off from an airport and flies to town a, located d1 = 215 km from the airport in the direction 20.0° north of east. the plane then flies to town b, located d2 = 230 km at 30.0° west of north from town a. use graphical methods to determine the distance and direction from town b to the airport. (enter the distance in km and the direction in degrees south of west.)

Two technicians are discussing a resistance measurement between the can-h and can-l wires. technician a says this measurement should be done with the ignition switch in the "run" position. technician b states that a measurement of 0 ohms indicates an open in the network. which technician is correct?