1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
mixas84 [53]
3 years ago
10

A ladder is leaning against a vertical wall, and both ends of the ladder are at the point of slipping. The coefficient of fricti

on between the ladder and the horizontal surface is μ1 = 0.195 and the coefficient of friction between the ladder and the wall is μ2 = 0.253. Determine the maximum angle with the vertical the ladder can make without falling on the ground.

Physics
1 answer:
Nutka1998 [239]3 years ago
4 0
Here:
Sum Fx| Fgx=Fw
SumFy| Fgy=mg-mu2xFw
SumTorques | Fw(Lcos(theta))=mg(L/2)sin(theta) - Now,this leads to-->Fw=Fg=(mg)/(2tan(theta))For no slipping Fgx<=mu1(Fgy)

Just make the substitutions and it gets ugly but the final thing you get should be 

theta= arctan[(1-mu1x mu2)/(2mu1)) , which equals 67.946 then subtract from 90 and viola!
you get the answer of 22.305
You might be interested in
Is how high or low sound is
JulsSmile [24]

Answer:

How high the sound or how low the sound is depending on the pitch of the sound which in this case the frequencies of the sound. The higher of the frequencies , the higher of the pitch but it has the shortest length of wave (λ). That's why AM radio have a longer range but bad audio quality than FM radio that have better audio quality with shorter range.

5 0
3 years ago
What is the difference between the initial position and the final position of an object?
Grace [21]
The initial is where you are starting and the final postion is where the object ends up
5 0
2 years ago
A circuit has a 10 Ω resistor connected to a 1.5 V dry cell. What is the current that can flow in the circuit?
ludmilkaskok [199]

Here is the highly detailed, arcane, complex, technical form of Ohm's Law that is needed in order to answer this question  ===>  I = V / R  .

Current = (voltage) / (resistance)

Current = (1.5 V) / (10 Ω)

<em>Current = 0.15 Ampere</em>

8 0
2 years ago
How to calculate the slope of position time graph?
Mashcka [7]

Answer:

The slope of a position-time graph can be calculated as:

m=\frac{\Delta y}{\Delta x}

where

\Delta y is the increment in the y-variable

\Delta x is the increment in the x-variable

We can verify that the slope of this graph is actually equal to the velocity. In fact:

\Delta y corresponds to the change in position, so it is the displacement, \Delta s

\Delta x corresponds to the change in time \Delta t, so the time interval

Therefore the slope of the graph is equal to

m=\frac{\Delta s}{\Delta t}

which corresponds to the definition of velocity.

3 0
3 years ago
How are energy sources managed?<br><br> Could you link a site with a good answer?
Arturiano [62]

Answer: When it comes to energy saving, energy management is the process of monitoring, controlling, and conserving energy in a building or organization. Typically this involves the following steps: Metering your energy consumption and collecting the data.

Explanation:

8 0
2 years ago
Other questions:
  • Explain why the amplitude of the wave did not change when you increased the frequency of the stimulation. how well did the resul
    9·1 answer
  • Why must objects be cooled before their mass is determined on a sensitive balance?
    10·1 answer
  • A transverse wave is traveling from right to left. what direction does the medium vibrate?
    11·2 answers
  • A family ice show is held at an enclosed arena. The skaters perform to music with level 75.0 dB. This level is too loud for your
    9·1 answer
  • __________ is the gradual increase in the temperature of earth’s atmosphere. greenhouse effect air pollution global warming temp
    12·2 answers
  • HELP PLEASE! I have some homework for my 9th grade physical science class and it's due Monday, I already completed 1/2 of it, if
    6·1 answer
  • An atomic nucleus with a rest mass energy of 7134 MeV is accelerated to 99.217% the speed of light relative to the lab frame. Wh
    6·1 answer
  • Light of intensity I0 and polarized horizontally passes through three polarizes. The first and third polarizing axes are horizon
    12·1 answer
  • In a pig caller can produce a sound intensity level of 107 dB. How many pig callers would be needed to generate an intensity lev
    10·1 answer
  • When a 12 N horizontal force is applied to a box on a horizontal tabletop, the box remains at rest. The force of friction acting
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!