Homer

A 2.6x10^3 kg elevator carries a maximum load of 888.1 kg. A constant frictional force of 4.9x10^3 N retards the elevator's motion upward. The acceleration of gravity is 9.81 m.s^2. What minimum power must the motor deliver to lift the fully loaded elevat...

In one type of mass spectrometer, ions having the same velocity move through a uniform magnetic field. The spectrometer is being used to distinguish 12C+ and 14C+ ions that have the same charge. The 12C+ ions move in a circle of diameter 25 cm. (a) What i...

D'oh!

1car + 3 donkeys = 4.2 elephants, so they win.

5d = 2e 3e = 1c 1c+3d ? 4e ************************************************************************************* d = (2/5)e c = (3/1)e 1(3e)+3((2/5e)) = 4.2e > 4e So, 1 car + 3 donkeys equals to 4.2 elephants, so they win.

Fox, Sheridan, Tierney, aux lords Grey et Holland, lui adressant ces pressantes questions a la face de l'Angleterre, epouvantee du nombre de ses ennemis, et troublee par les cris d'un peuple affame demandant du pain sans l'obtenir. massage lyon La caleche...