A. 205 cm
This has 3 significant figures: 2,0 and 5.
B. 0.00004 cm
This has 1 significant figure: 4
C. 20 cm
This has 2 significant figures: 2 and 0.
D. 20. cm
This has 2 significant figures: 2 and 0
Tenemos.
Masa de la mesa = 20kg
Masa encima = 10kg
Masa total = 30kg
Area de cada pata = 20cm² = 20cm² * 1/10000cm² * 1m² =0,002m²
Presió(P)n que se ejerce sobre cada pata.
P =F/A
P = Masa por gravedad/A Masa = 30kg Gravedad =9,8m/s²
P =(30kg * 9,8m/s²)/0,002m²
P = 294kg * m/s²/0,002m² Pero kg *m/s² = Nw
P = 294Nw0,002m²
P = 147000 Nw/m² Pero Nw/m² = pa
p =1,47 * 10⁵ pa
Respuesta.
La presión que se ejerce sobre cada pata es de 1,47 * 10⁵pa
The specific heat of water is 4.186.
<span>electromagnetic.........</span>
Water and h20 delivery have been a very meaningful company to the community