A 4.7-kg solid sphere, made of metal whose density is 4000 kg/ , hangs by a light cord. When the sphere is immersed in water, what is the tension force the cord exerts on the sphere? The density of water is 1000 kg/m3
A) 35 N
B) 40 N
C) 46 N
D) 52 N
E) 58 N
A
You might also like to view...
Mathematical models indicate that ___________ galaxies are produced by high-speed collisions in which a smaller galaxy passes through another galaxy almost perpendicular to the disk of the galaxy
a. ring b. spiral c. antenna d. irregular e. tidal tail
The acceleration due to gravity has the same value for all free-falling objects, regardless of their mass or weight
Indicate whether the statement is true or false
A baseball catcher throws a ball vertically upward and catches it in the same spot when it returns to his mitt. At what point in the ball's path does it experience zero velocity and non-zero acceleration at the same time?
a. midway on the way up b. at the top of its trajectory c. the instant it leaves the catcher's hand d. the instant before it arrives in the catcher's mitt
The excited state of a certain atom is 3.2 eV ± 0.21 eV. (a) What is the average lifetime of this state? (b) If the excited energy doubled (6.4 eV ± 0.21 eV) how would the lifetime be affected?
What will be an ideal response?