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  46. A heavily loaded boat floating in a pond. The

Question :   46. A heavily loaded boat floating in a pond. The : 2102176

 

46. A heavily loaded boat is floating in a pond. The boat sinks because of a leak. What happens to the surface level of the pond?

A. It stays the same.

B. It goes up.

C. It goes down.

D. More information is needed to reach a conclusion.

47. A heavily loaded boat is floating in a pond. The boat starts to sink because of a leak but quick action plugging the leak stops the boat from going under although it is now deeper in the water. What happens to the surface level of the pond?

A. It stays the same.

B. It goes up.

C. It goes down.

D. More information is needed to reach a conclusion.

48. A block of wood has specific gravity 0.80. When placed in water, what percent of the volume of the wood is above the surface?

A. 0, the block sinks.

B. 20%

C. 25%

D. 80%

49. An ideal fluid flows through a pipe made of two sections with diameters of 1.0 and 3.0 inches, respectively. The speed of the fluid flow through the 3.0-inch section will be what factor times that through the 1.0-inch section?

A. 6.0

B. 9.0

C. 1/3

D. 1/9

50. The flow rate of a liquid through a 2.0-cm-radius pipe is 0.008 0 m3/s. The average fluid speed in the pipe is:

A. 0.64 m/s.

B. 2.0 m/s.

C. 0.040 m/s.

D. 6.4 m/s.

 

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