Multiple Choice
Buoyancy: A rock is suspended from a scale reads 20.0 N. A beaker of water (having a density of 1000 kg/m3) is raised up so the rock is totally submerged in the water. The scale now reads 12.5 N. What is the density of the rock?
A) 1.60 × 103 kg/m3
B) 2.50 × 103 kg/m3
C) 2.33 × 103 kg/m3
D) 3.00 × 103 kg/m3
E) 2.67 × 103 kg/m3
Correct Answer:

Verified
Correct Answer:
Verified
Q34: Buoyancy: A 6.1-kg solid sphere, made of
Q35: Viscosity: Motor oil, with a viscosity of
Q36: Buoyancy: If you double the pressure on
Q37: Bernoulli's principle: A horizontal tube consists of
Q38: Density: A certain coin has a diameter
Q40: Pressure in a fluid: The weight of
Q41: Flow rate: Water flows through a pipe
Q42: Pressure in a fluid: Fluid fills the
Q43: Bernoulli's principle: Air is flowing through a
Q44: Buoyancy: Salt water is more dense than