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 ?

Which one of the following has greater active mass

Which one of the following has greater active mass

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

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':