Un blocco di legno scende lungo un piano inclinato, di altezza 0,74 m e lunghezza 1,21 m. Trascura l'attrito tra il blocco e il piano. ► Calcola l'accelerazione del blocco sul piano. .

An air bubble of volume 20 cm³ is at the bottom of a lake 40 m deep, where the temperature is 4.0°c. the bubble rises to the surface, which is at a temperature of 20°c.take the temperature of the bubble’s air to be the same as that of the surrounding water. just as the bubble reaches the surface, what is its volume?

Akg a of 55 m at an of 11 ? . if is at 98 km/h,be ?

In positive numbers less than 1, the zeros between the decimal point and a non-zero number are blank significant