Tenemos el eje de un motor que gira a 2.000 rpm con una polea A de 20 mm de diámetro acoplada a su eje. Si unimos mediante una correa la polea A con otra polea B que mide 80 mm de radio. ¿Se trata de un mecanismo reductor o multiplicador de velocidad? ¿Qué velocidad adquirirá el eje de la segunda polea B?

Ingrid started speaking about her slide presentation. when she clicked to th"third slide, which had just a picture of an elephant, she forgot what she wassupposed to talk about. what could ingrid do to avoid this situation in thefuture? oa. print handouts for her audience.ob. add presenter's notes to each slide.oc. add a video to each slide.od. save her slide presentation to a flash drive