un objet de fer a été place dans l eau de l une de ces sources serait rongé au bout d un certain temps. Afin d'étudier le phénomène on réalise l'expérience détailler dans le texte si après

Asmall object with mass 0.200 kg swings back and forth on the lower end of a light rope that is 3.00 m long. the upper end of the rope is attached to the ceiling. as the object swings through its lowest position, where the rope is vertical, the speed of the object is 5.80 m/s. at this point in the motion, what is the tension in the rope? (use g = 9.80 m/s2.)

Specific heat refers to the amount of heat required to change 1 gram of a substance by degree(s) celsius

Current from a charged capacitor lights a bulb. as time goes on the brightness of the