Weight of a person is 800 N . If he runs 4 m on a vertical ladder in 2 s then he needs a power of

Question

Weight of a person is 800 N . If he runs 4 m on a vertical ladder in 2 s then he needs a power of (A) 3200 kW (B) 3.2 kW (C) 1.6 kW (D) zero

Tardigrade Admin · Accepted Answer

Power is given by P=(m g h/t)=((800 × 4)/2)=1600 W

Q. Weight of a person is $800 N$ . If he runs $4 m$ on a vertical ladder in $2 s$ then he needs a power of