A cube of wood of density 0.64 g/cm3 is 10 cm on a side. When placed in water, what height of the block will float above the surface? (water density = 1.00 g/cm3)
a. 7.8 cm
c. 2.2 cm
b. 3.6 cm
d. 6.4 cm
B
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Consider Newton's second law states, often written as force = mass × acceleration. Based on this law, what property can you determine if you observe the acceleration of an object with a known mass?
A) the net force acting on the object B) the strength of gravity acting on the object C) the current velocity of the object D) the current location of the object
How does Pluto's perihelion distance compare to Neptune's?
What will be an ideal response?
The loss of usable energy in cables used to conduct electricity from power plants to cities is cause by ________________
Fill in the blank(s) with correct word
If all fluid flow within a volume of fluid can be traced as streamlines, the fluid flow is
A) turbulent flow. B) incompressible flow. C) nonviscous flow. D) laminar flow. E) irrotational flow.