If you don't have to wear a spacesuit, you won't die. The height is calculated as 180cm, the mass is about 80kg, and the height of its center of mass is about 100cm. According to the back jump of professional high jump, that is, to maximize the center of gravity, you can jump over the crossbar of 1.5 meters on the earth (men with this physique can definitely achieve it with simple guidance). In a successful jump, every part of his body must be higher than the height of the crossbar, but the center of mass does not need it. According to the back jump method, through slow-motion video recording, even if the athlete reaches the highest point of jumping, the center of mass of the athlete is still lower than the crossbar 10cm. In the process of acceleration, suppose that the center of mass rises from the lowest point (crouching state before takeoff) to the highest point (the moment he leaves the ground), and then his muscles do work to make his center of mass rise by 60cm.
W=mv? /2+ mg
The speed when off the ground can be used in v? =2gh to get
Therefore, the total work is
W=mg(h+s)=80kg× 10m/s? × 0.9m = 720J
Suppose high jumpers do the same job on the moon, but their center of gravity is constant before leaving the moon. The acceleration of gravity on the moon is only 1/6 on the earth, that is, the energy equation of high jump on the moon is 720J=mg(s+h')/6, from which h'=5. 1m can be deduced. This is the height at which the center of mass of the high jumper rises vertically on the moon. Coupled with the original height of the center of mass 100cm and the special skills of sports, it is estimated that the record on the moon is 6.2m, which is a little more than four times that on the earth.
The effect of running and jumping here can be ignored, or the effect is the same on the earth and the moon. Our estimation is based on the assumption that in both cases, using the same high jump skills will accomplish the same work. In fact, because gravity is much smaller, the force exerted by human leg muscles is much less than that on the earth, and air resistance will also have a slight impact on the results, so it should actually be within 6 meters.