A river is 120km/h wide and the water flows at 2.5km/h. A ferry man who can scull in still water at 3km/h wishes to cross the river in a direction at right angle to it's bank. Find by accurate scale drawing, the direction in which he must steer the boat and the time it takes him to cross. ​

Light that is polarized along the vertical direction is incident on a sheet of polarizing material. only 96% of the intensity of the light passes through the sheet and strikes a second sheet of polarizing material. no light passes through the second sheet. what angle does the transmission axis of the second sheet make with the vertical?

Determine el momento angular de un rueda de 3000g moviendose a 10m/s con un radio de giro de 400cm

What characteristics of hv2112 make it the best candidate to be classified as a thorne-zytkow object?