Multiple Choice
A solid object is made of two materials,one material having density of 2 000 kg/m3 and the other having density of 5 000 kg/m3.If the object contains equal volumes of the materials,what is its average density?
A) 2 857 kg/m3
B) 3 500 kg/m3
C) 4 500 kg/m3
D) 7 000 kg/m3
E) more information is needed
Correct Answer:

Verified
Correct Answer:
Verified
Q1: If the column of mercury in a
Q2: How much power is theoretically available from
Q4: How large a force is necessary to
Q7: An ideal fluid,of density 0.85 × 10<sup>3</sup>
Q9: Spherical particles of density 2.0 g/cm<sup>3</sup> are
Q10: Water (density = 1 × 10<sup>3</sup> kg/m<sup>3</sup>)flows
Q11: When water freezes,it expands about nine percent.What
Q17: The Greenland ice sheet can be one
Q26: A large stone is resting on the
Q86: In a large tank of liquid,the hydrostatic