A platinum sphere has a radius of 1.20 cm. The density of platinum is 21.4×103 kg/m3. What is the mass of the sphere?
A)
37.0 g
B)
38.7 g
C)
69.3 g
D)
21.4 g
E)
155 g
E
You might also like to view...
Determine the equivalent capacitance of the combination shown when C = 24 ?F
a.
20 ?F
b.
36 ?F
c.
16 ?F
d.
45 ?F
e.
27 ?F
All the following statements are true. Which one explains why mean solar time differs from apparent solar time?
A) The length of a solar day is not always exactly 24 hours. B) Earth's rotation period is actually about 23 hours and 56 minutes, not 24 hours. C) Earth's axis precesses with a period of about 26,000 years. D) The Sun reaches the meridian at different times at different longitudes within the same time zone.
Which of the following is not a carbohydrate?
a. Maltose b. Glycine c. Fructose d. Glucose
In an adiabatic process:
A. the energy absorbed as heat equals the work done by the system on its environment B. the energy absorbed as heat equals the work done by the environment on the system C. the absorbed as heat equals the change in internal energy D. the work done by the environment on the system equals the change in internal energy E. the work done by the system on its environment equals to the change in internal energy