What is the minimum amount of energy required for a 70.0-kg climber carrying a 20.0-kg pack to climb Mt. Everest, which is 8850 m high?
a. 8.67 MJ
c. 4.41 MJ
b. 7.81 MJ
d. 0.900 MJ
B
Physics & Space Science
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Which of the following is a method of heat transport that involves the movement of warm molecules of gas or liquid from one region to another?
a. Convection b. Conduction c. Radiation
Physics & Space Science
A +15-nC point charge is placed on the x axis at x = 1.5 m, and a ?20-nC charge is placed on the y axis at y = ?2.0m. What is the magnitude of the electric field at the origin?
A. 105 N/C B. 15 N/C C. 75 N/C D. 45 N/C E. 60 N/C
Physics & Space Science
Which of the following is not a general type of faulting?
a. Forward b. Normal c. Strike-slip d. Reverse
Physics & Space Science
Which of the following is a vector quantity?
A. volume B. force C. speed D. time E. length
Physics & Space Science