The pressure in a water tap at the base of a building is 3 × 106 dynes/cm2 and on its top it is 1.6 × 106 dynes/cm2. The height of the building is approximately
A. 7 m
B. 14 m
C. 70 m
D. 140 m
Answer:B
The pressure in a water tap at the base of a building is 3 × 106 dynes/cm2 and on its top it is 1.6 × 106 dynes/cm2. The height of the building is approximately
A. 7 m B. 14 m C. 70 m D. 140 m