One man takes 1 minute to raise a box to a height of 1 metre and another man takes 1/2 minute to do so. The energy of the two is

One coolie takes two minutes to raise a box from platform to train. Another coolie takes one minjte, work done

One coolie takes 1min to raise a box through a height of 2m . Another one takes 30s for the same job and does the same amount of work. Which one of the two has greater power and which one uses greater enegy?

One coolie takes 1min to raise a box through a height of 2m . Another one takes 30s for the same job and does the same amount of work. Which one of the two has greater power and which one uses greater enegy?

One coolie takes 1 min to raise a box through a height 2m. Another takes 30 m/s for the same job and does the same amount of work. Which one of these two has a greater power?

One coolie takes 1 min to raise a box through a height 2 m . Another takes 30 s for the same job and does the same job and does the same amount of work. Which one of these two has a greater power and which one uses greaster energy ?

One coolie takes 1 minute to raise a suitcase through a height of 2m but the second coolie takes 30 s to raise the same suitcase to the same height. The powers of two coolies are in the ratio':

An experiment takes 10 minutes to raise temperature of water from 0^(@)C to 100^(@)C and another 55 minutes to convert it totally into steam by a stabilized heater. The latent heat of vaporization comes out to be -