# Physics

A 70 kg man carrying a 10 kg suit case climbing a ladder of 5 m in two minute, power developed by the man is (g=10 m/s2 ).?

1. 👍 0
2. 👎 0
3. 👁 176
1. Power = force x distance/time

force = mass x acceleration
=(70+10)kg x 10 m s^-2
distance = 5 m
time = 2 x 60 s

1. 👍 0
2. 👎 0

## Similar Questions

1. ### math

A ladder leans against a building. The angle of elevation of the ladder is 70°. The top of the ladder is 25 ft from the ground. To the nearest tenth of a foot, how long is the ladder?

asked by TheOneNotHere on June 4, 2014
2. ### Physics

A uniform ladder of mass 30kg and length 5m rest against a smooth vertical wall with its lower end on a rough ground. The coefficient of friction is 0.4.the ladder is inclined at 60 degrees to the horizontal. Find how far a man of

asked by Steven on October 20, 2018
3. ### math

a man climbing a ladder which is inclined to the wall at an angle of 30 degree. if he ascend at the rate of 2m/s then he approach the wall at the rate of

asked by suman on August 29, 2014
4. ### Constituion

1. The case of Jones v. Clinton (1997) involved what issue? A. Executive privilege B. War-making authority C. Pardon power D. Executive immunity is it D 2. A president is: A. absolutely immune from suit for executive functions. B.

asked by Amy on January 30, 2015
1. ### math word problems

A ladder is leaning against a building. The distance from the bottom of the ladder to the building is 9 ft less than the length of the ladder.how high up the side of the building is the top of the ladder if that distance is 2 ft

asked by lin on August 1, 2009
2. ### calculus

A ladder 29 feet long leans against a wall and the foot of the ladder is sliding away at a constant rate of 3 feet/sec. Meanwhile, a firefighter is climbing up the ladder at a rate of 2 feet/sec. When the firefighter has climbed

asked by milly on February 19, 2016
3. ### Physics

A 6m long uniform ladder which has a mass of 25kg leans with its upper end against a smoorth vertical wall and its lower end on rough horizontal ground. The base of the ladder is 3m from the wall and a man of mass 70kg is two

asked by Tyrone on October 8, 2014
4. ### physics

The 90-kg man, whose center of gravity is at G, is climbing a uniform ladder. The length of the ladder is 5 m, and its mass is 20 kg. Friction may be neglected. (a) Compute the magnitudes of the reactions at A and B for x =1.5 m.

asked by Anonymous on November 27, 2017

An 8.5 m extension ladder of mass 24 kg is propped up against a wall, touching at a point 8.0 m above the level ground. A man of mass 75 kg climbs 2.0 m up the ladder to repair a window. The ladder rests against a frictionless

asked by Anonymous on May 14, 2014
2. ### Math

A roofer must set up a 40-foot ladder against the side of a house. He sets the ladder so that the distance from the base of the ladder to the wall is 1/5 of the length of the ladder. To the nearest degree, what acute angle does

asked by TeeKay on October 3, 2014
3. ### College Physics

A 75.0 kg ladder that is 3.00 m in length is placed against a wall at an angle theta. The center of gravity of the ladder is at a point 1.20 m from the base of the ladder. The coefficient of static friction at the base of the

asked by Ali on October 25, 2010
4. ### ap physics b

A uniform ladder 8.09 m long and weighing 201.0 N rests against a smooth wall. The coefficient of static friction between the ladder and the ground is 0.600, and the ladder makes a 46.0 angle with the ground. How far up the

asked by helpplz on November 17, 2012