Aman with a mass of 70 kg walks up a flight of stairs that is 5 m tall. another man with a mass of 80 kg walks up the same flight of stairs. which one has more power?

a) the 70 kg man because he has less mass
b) the 80 kg man because he has more mass
c) the power generated by each is the same
d) power cannot be determined without the time taken to claim the stairs

Which energy transformation occurs in the core of a nuclear reactor? nuclear energy mechanical energy nuclear energy - thermal energy thermal energy -- nuclear energy mechanical energy - nuclear energy

The car hoist allows the car to be driven onto the platform, after which the rear wheels are raised. if the loading from both rear wheels is 1380 lb, determine the force in the hydraulic cylinder ab. neglect the weight of the platform itself. member bcd is a right-angle bell crank pinned to the ramp at c. the force is positive if in tension, negative if in compression.

He viscosities of several liquids are being compared. all the liquids are poured down a slope with equal path lengths. the liquid with the highest viscosity will