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. Which of the following does not increase regularly?
  2. The device can act as a complete electronic circuit is
  3. If oxygen has root mean square velocity of C m/s, then root mean square velocity of H
  4. A ball rolls off the top of stair way with a horizontal velocity of magnitude 1.8 m/s
  5. Potentiometer measures the potential difference more accurately than a voltmeter