A man weighing 60 kg climbs a staircase carrying a 20 kg load on his hand

A man weighing 60 kg climbs a staircase carrying a 20 kg load on his hand.The staircase has 20 steps and each steps has height of 20 cm.If he takes 20s to climb, his power is

Options

(a) 160 W
(b) 230 W
(c) 320 W
(d) 80 W

Correct Answer:

160 W

Explanation:

No explanation available. Be the first to write the explanation for this question by commenting below.

admin:

Related Questions

  1. A projectile is fired at an angle of 45° with the horizontal
  2. If r denotes the distance between sun and the earth, then the angular momentum of the earth
  3. Which of the following is a vector quantity?
  4. The time period of a mass suspended from a spring is T. If the spring is cut into four
  5. A block of mass m is placed on a smooth wedge of inclination θ