What is the minimum amount of energy required for an 80-kg climber carrying a 20-kg pack to climb Mt. Everest, 8 850 m high?
A、8.67 MJ;
B、4.16 MJ;
C、2.47 MJ;
D、1.00 MJ
发布时间:2025-05-30 09:07:49
A、8.67 MJ;
B、4.16 MJ;
C、2.47 MJ;
D、1.00 MJ