La superficie horizontal en la cual están los objetos es sin fricción. Si M = 2.0 kilogramos, la tensión en la cuerda 1 es de 12 N. Determine el valor de
F en N.

20. threshold braking in the vehicle's braking system occurs when a. the brake pedal is pushed, heel on floorboard, with full foot pressure. b. the brakes are exerting full braking power, without traction loss. c. the driver begins pushing down the brake pedal, with moderate slowdown. d. the brakes just begin to take hold with a gradual slowdown.

In an experiment, how can i change human errors? be specific.

Which of the following is the main energy source for the sun? a. fission of hydrogen b. fusion of hydrogen c. fusion of helium d. fission of iron