Saturday
August 30, 2014

Homework Help: Physics. Need urgent help.

Posted by Dan on Sunday, May 6, 2012 at 11:05pm.

A scuba diver searches for treasure at a depth of 20.0m below the surface of the sea. at what pressure must the scuba device deliver air to the diver? (density of sea water= 1030kg/m^3;atmospheric pressure= 1.013x10^5 pa)

another one

A king's crown is said to be solid gold but may be made of lead and covered with gold. when it is weighed in air, the scale reads 0.475 kg. when it is submerged in water the scale reads 0.437 kg.is it solid gold? if not, what percent is mass is gold? (density of gold= 19.3x10^3 kg/m^3)

Answer this Question

First Name:
School Subject:
Answer:

Related Questions

physics - A scuba diver searches for treasure at a depth of 20.0m below the ...
Chemistry - A scuba diver 40ft below the ocean surface inhales 50.0 ml of ...
chem help - a scuba diver breathing normal air descends 100m of depth, where the...
chemistry - A mixture of O2 and He is prepared for a scuba diver who is going to...
chemistry... confusing! - a scuba diver breathing normal air descend to 100 m of...
PHYSICS! - In scuba diving, a regulator is used so that the pressure of the air ...
math - underwater pressure can be found using the formula p=L+d/33 where p is ...
math - The pressure on a scuba diver at sea level is 14.7 pounds per sq inch (...
physics - A scuba diver must decompress after a deep dive to allow excess ...
Physics - A scuba diver has an air tank with a volume of 0.010 m^3. The air in ...

Search
Members