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
Lelu [443]
3 years ago
8

Two masses are connected by a string which passes over a pulley with negligible mass and friction. One mass hangs vertically and

one mass slides on a horizontal surface. The horizontal surface has a coefficient of kinetic friction of 0.200. The vertically hanging mass is 3.00 kg and the mass on the horizontal surface is 3.00 kg. The magnitude of the acceleration of the vertically hanging mass is (the initial velocity of the horizontal mass is to the right)
Physics
1 answer:
monitta3 years ago
3 0

Answer:

a=2,5m/s^2

Explanation:

From the question we are told that:

Coefficient of kinetic friction \mu= 0.200

Vertical Mass M_v=3kg

Horizontal mass M_h=3.00kg  

Generally the equation for kinetic force F_k is mathematically given by

F_k=\mu N\\F_k=0.2*3\\F_k=0.6

Generally the equation for T is mathematically given by

For M_v=3kg3g-T=3a

For M_h=3kg

T=M_v V+F_k\\T=3.0a+0.6

Therefore substituting

3-3a-0.6=3a\\2.4g=6a

a=2,5m/s^2

You might be interested in
What kind of energy involves the flow of charged particles?
Citrus2011 [14]

Answer:

Electrical energy is answer

Explanation:

hope it helps

Mark me as brainliest plz.

3 0
3 years ago
What is the efficiency (w/qh) of an ideal carnot heat engine operating between a hot region at t= 400 k and a cold one at t= 300
Vinvika [58]
The efficiency of an ideal Carnot heat engine can be written as:
\eta = 1-  \frac{T_{cold}}{T_{hot}}
where
T_{cold} is the temperature of the cold region
T_{hot} is the temperature of the hot region

For the engine in our problem, we have T_{cold}=300 K and T_{hot}=400 K, so the efficiency is
\eta= 1 - \frac{300 K}{400 K}=0.25
4 0
3 years ago
Use the illustration to answer the question :)
Naily [24]

Answer:

This type of heat transfer occurs inside materials, typically solid materials. The heat from the fire is passed from molecule to molecule along the length of the material. The fire will generally follow the heat or sometimes the heat from conduction may cause a new fire to ignite elsewhere. The conduction is happening in the walls of the fireplace

Explanation:

SKATE OR DIE> LOSER

4 0
2 years ago
What happens when a population exceeds its carrying capacity?
Mademuasel [1]
They either die from not enough food, they move to another place, or sometimes they adapt to the amount of organisms there. That is all I know
4 0
3 years ago
Read 2 more answers
What is the number at the end of an isotope’s name? atomic number neutron number mass number electron number
zimovet [89]

Answer:

i think it is mass number

Explanation:

3 0
3 years ago
Read 2 more answers
Other questions:
  • 50 POINTS HELP ME PLEASE!!!!!!!!!!!!
    15·2 answers
  • Imagine two people standing at placemark A and placemark E, looking at each other across the fault. Which of the following state
    7·1 answer
  • Two vectors, X and Y, form a right angle. Vector X is 48 inches long and vector Y is 14 inches long. the length of the resultant
    10·1 answer
  • slader Question: A Model Rocket Is Launched Straight Upward With An Initial Speed Of 50m/s. Iit Accelerates With A Constant Upwa
    11·1 answer
  • A particle of mass 10 g and charge 72 μC moves through a uniform magnetic field, in a region where the free-fall acceleration is
    7·1 answer
  • Describe the composition of the nucleus of an atom.
    10·2 answers
  • Please help on this one?
    6·1 answer
  • What is the path that an electric current follows called
    11·2 answers
  • Exam
    5·2 answers
  • What net force would be necessary to cause a block of wood with a mass of 2.5 kg to accelerate at a rate of 3.0 m/s2
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!