A 7.8-kg solid sphere, made of metal whose density is 2500 kg/m3, is suspended by a cord. When the sphere is immersed in water (of density 1000 kg/m3 ), what is the tension in the cord?
A) 46 N
B) 61 N
C) 76 N
D) 92 N
E) 110 N
A
You might also like to view...
A baseball is thrown by the center fielder (from shoulder level) to home plate where it is caught (on the fly at an equal shoulder level) by the catcher. At what point is the ball's speed at a minimum? (air resistance is negligible)
a. just after leaving the center fielder's hand b. just before arriving at the catcher's mitt c. at the top of the trajectory d. speed is constant during entire trajectory
The primary types of chemical bonding in ceramics are ionic and _________.
Fill in the blank(s) with the appropriate word(s).
The acceleration of a body is given by the slope of a graph plotting
A. velocity versus distance travelled. B. time versus velocity. C. time versus distance travelled. D. distance travelled versus time. E. velocity versus time.
When the accelerating voltage in an X-ray tube is doubled, the minimum wavelength of the X-rays
A) is increased to twice the original value. B) is increased to four times the original value. C) is decreased to one-fourth the original value. D) is decreased to one-half the original value.