PHYSICS
posted by EM .
A person who weigh 500N climbs a flight of straight from the ground to the 4th floor of a building in 40sec. If the height of 4th is 10m find
A... power in watts
b.....power in Hp

PHYSICS 
MathMate
Hints:
1 watt = 1 joule/s = 1 Nm/s = 1 kgm²/s&su3;
h=10m
weight,w=500N (=mg)
t=40 sec.
power = Nm/s = wh/t watts
1 horsepower = 745.7 watts
Respond to this Question
Similar Questions

physical Science
Two people who weigh the same climb a flight of stairs. The first person climbs the stairs in 30 s, while the second person climbs them in 40s. Which person does more work? 
Physical Science
Two people who weigh the same climb a flight of stairs. The first person climbs thestairs in 30s, while the second person climbs them in 40s. Which does more work? 
college
let i = the square root of 1 with i to the 1st power =i, i to the 2nd power= 1, i to the 3rd power =i , i to the 4th power=1 find ito the power 215 
physics
The disk shaped head of a pin is 1.0 mm in diameter. Which of the following is the best estimate of the number of atoms in the layer of atoms on the top of the surface of the pinhead? 
9th grade math
x to the 2nd power if x = 3/4 how do you find 3/4th to the 2nd power? 
Physics
Two People who weigh the same climb a flight of stairs. The 1st person climbs the stairs in 30s, and the 2nd person climbs them in 40s. Which person does more work? 
Physics
Two People who weigh the same climb a flight of stairs. The 1st person climbs the stairs in 30s, and the 2nd person climbs them in 40s. Which person does more work? 
math
is x to the 4th power plus x to the 4th power equal to x to the 8th power? 
Math
Need to simplify (6b to the 2 power)to the 2nd power (6b to the 4th power)to the 4th power equals 24b to the 4th power Not sure if I did this right trying to understand how to simplify. Please help, please. 
Math
Hey, I just need my answer checked. Simplify: y to the 4th power times y to the 3rd power y to the 1st power y to the 7th power ** y to the 12th power y to the 43rd power correct?