Questions LLC
Login
or
Sign Up
Ask a New Question
Physics
Mechanics
Work and Energy
A man of mass70Kg climbs a ladder which is 4m long leaning against a wall which is 3m high.Calculate the work done by this man
1 answer
m g h
You can
ask a new question
or
answer this question
.
Similar Questions
uniform ladder 25 ft long rests against a smooth vertical wall. The ladder weighs 15 Kg. The lower end of the ladder is 15 ft
Top answer:
see this figure: http://tuhsphysics.ttsd.k12.or.us/Tutorial/NewIBPS/PS9/9-63.JPG when the ladder
Read more.
A 30-kg uniform ladder 12 m long is leaning against a frictionless wall at an angle of 50 degrees above the horizontal. A 45-kg
Top answer:
http://answers.yahoo.com/question/index?qid=20091116155804AA13w8n
Read more.
A uniform ladder 10.0 m long is leaning against a frictionless wall at an angle of 60.0° above the horizontal. The weight of
Top answer:
none
Read more.
A uniform ladder 10.0 m long is leaning against a frictionless wall at an angle of 60.0° above the horizontal. The weight of
Top answer:
70mtr
Read more.
A 10 foot long ladder is leaning against a vertical wall with the top of the ladder 8ft from the ground. What is the slope of
Top answer:
looks like plain ol' Pythagoras base^2 + 8^2 = 10^2 bse^2 = 100-64 = 36 base = √36 = 6 slope =
Read more.
A uniform ladder 5 m long weighing 200 N
friction between the bottom of the ladder and the its base 3m from the wall. The
Top answer:
To find out how far a 600 N man can climb before the ladder starts slipping, we need to determine
Read more.
2. A 75.0-kg painter climbs a ladder that is 2.75 m long leaning against a vertical wall. The ladder makes a 30.0° angle with
Top answer:
see other post
Read more.
2. A 75.0-kg painter climbs a ladder that is 2.75 m long leaning against a vertical wall. The ladder makes a 30.0° angle with
Top answer:
a. work=force.distance where the dot means cosine of angle between them work=mg*2.75 cosine30 that
Read more.
A ladder is leaning up against a wall. The ladder touched the wall 5ft up. The ladder is 6ft Long.
A) Draw a picture and label
Top answer:
b. what is arcsin(5/6)? c. distance=sqrt(36-25)
Read more.
A ladder 25ft long is leaning against the wall of a house. The ladder is pulled away from the wall at a rate of 2 ft per second.
Top answer:
This is the classic problem that almost every text in Calculus uses to introduce "rate of change"
Read more.
Related Questions
A ladder 12 meters long is leaning against the wall of a building. The bottom of the ladder is sliding away from the wall at the
A ladder 25 feet long is leaning against a vertical wall. If the bottom of the ladder is pulled horizontally away from the wall
a ladder of 8 m os leaning against a wall begins to slide. If its upper end slides down the wall at a rate of 0.25 m/sec, at
A painter climbs a ladder leaning against a smooth wall. At a certain height, the ladder is on the verge of slipping. Let the
a ladder leaning against the wall makes an angel of 68 degrees with the level ground . the foot of the ladder is 3 ft away from
Two ladders are leaning against a wall at the same angle, as shown. How long is the short ladder?
the first ladder is 80ft long
10. A ladder leaning against a vertical wall is 11.28 m high up against the wall. The foot of the ladder is 5m from the wall.
A 20m long ladder is leaning against a wall. The top of the ladder is sliding down the wall at a constant speed of 2m/s. How
a ladder 38 feet long is leaning against the side of a wall. if the angle between the ladder and the wall is 54 (degrees)
3. Suppose a ladder is 12 ft. long. The base of the ladder is 5 ft. from a wall, and the top of the ladder is leaning against
