7 meters in inches is 275.590 inches.
work done=m*g*h=53*9.81*7=3.63951 kJ where: m is mass (kg) g is acceleration due to gravity h is lift displacement
Five feet six inches !
36 inches
it is about 46 inches
16.9291 inches.
36 inches
0.494 inches.
64.57 inches
2.13 inches
3.74 inches
332,500 inches
About 6 inches