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
liubo4ka [24]
3 years ago
13

A block of mass m= 2.8 kg is attached to a spring of spring constant k= 500 N/m. the block is pulled to an initial position x =

5 cm to the right of the equilibrium point as shown below, and released from rest. Find the speed of the block as it passes through equilibrium if the coefficient of kinetic friction between the block and the surface μk = 0.35.

Physics
1 answer:
padilas [110]3 years ago
3 0

Answer:

Explanation:

The energy stored in a spring

= 1/2 k x²

where k is spring constant and x is extension in the spring.

= .5 x 500 x .05²

= .625 J

Work done by friction = energy dissipated

= - μmg x d , μ is coefficient of friction , m is mass , d is displacement

= - .35 x 2.8 x 9.8 x .05

= - .48 J

energy of the mass when it reaches equilibrium position

= .625 - .48

= .145 J

If v be its velocity at that time

1/2 m v ² = .145

.5 x 2.8 x v² = .145

v² = .10357

v = .32 m /s

32 cm /s

You might be interested in
A race car rounding a corner at a constant speed of 200 miles per hour.
ICE Princess25 [194]

Answer:

Yes since it is changing direction

Explanation:

A race car rounding a corner at a constant speed of 200 miles per hour

6 0
2 years ago
Identify the vibrating media in three different types of musical instruments
Artist 52 [7]

Answer:

There are three basic categories of musical instruments: percussion, wind, and stringed instruments. Most musical instruments use resonance to amplify sound waves and make sounds louder. In a musical instrument, the whole instrument and the air inside it may vibrate when the head of the drum is struck.

3 0
2 years ago
Julian is having trouble coping with stress and setting goals. What is he most likely struggling with?
klio [65]
I would say Emotional health. Just because it is more sensable
6 0
3 years ago
Read 2 more answers
What is the magnitude of the gravitational force of attraction to Jupiter exerts on IO
kotegsom [21]

The gravity force between Jupiter and Io will be 6.343 × 10²² N.

<h3>What is Newton's law of gravitation?</h3>

Newton's law of gravity states that each particle having mass in the universe attracts each other particle with a force known as the gravitational force.

Given data;

Mass of Jupiter,\rm m_j = 1.9 \times 10^{27} \ kg

Mass of moon of Jupiter,\rm m_{i_0}= 8.9 \times 10^{22} \ kg]

The gravitational constant is,\rm G =  6.67 \times 10^{-11 } \ m^3  kg^{-1}  s^{-2}

Distance between Jupiter and Io, R = 421,700 km = 4,217,00,000 m

The gravitational force is proportional to the product of the masses of the two bodies and inversely proportional to the square of their distance.

The gravitational force is found as;

\rm F = G \frac{ m_J m_{I_0}}{R^2} \\\\\ F = (6.67\times 10^{-11}) \frac{( (1.9\times 10^{27})\times (8.9\times 10^{22} )} { (421700000)^2}\\\\ F_g = 6.343 \times 10^{22} \  N

Hence, the gravity force between Jupiter and Io will be 6.343 × 10²² N.

The complete question is

"Jupiter has a mass of 1.9 × 1027 kg, and its moon Io has a mass of 8.9 × 1022 kg. Their centers are separated by a distance of 421,700 km what is the force of gravity acting on Io? "

To learn more about Newton's law of gravitation, refer to the link.

brainly.com/question/9699135.

#SPJ1

8 0
2 years ago
A β− and a β+ particle meet and interact within a tissue. Discuss what would be the likely outcome of this interaction.
Arturiano [62]

When a β− and a β+ particle meet and interact they are annihilated.

Every matter has an antimatter. An antimatter of a particular particle is another particle that has exactly the same properties as the initial particle but carries an opposite charge.

If we look at β− and β+ particles, we will notice that they are matter and antimatter. The interaction of matter and antimatter leads to annihilation. The energy produced by annihilation of matter and antimatter is enough to destroy the tissue.

So, when β− and a β+ particle meet and interact they are annihilated.

Learn more: brainly.com/question/23266051

3 0
2 years ago
Other questions:
  • Would a 9-N force applied 2 m from the fulcrum lift the weight. Explain.
    15·1 answer
  • A graph of Boyle’s law shows the relationship between
    11·1 answer
  • What does it mean if a conductor is in "electrostatic equilibrium"? a) The conductor is at rest.
    5·1 answer
  • Together, Claudia and her bicycle have a mass of 90 kg. What force is needed to give them an acceleration of 2 m/s²? Ignore the
    6·1 answer
  • Can anyone please answer both of these questions?
    9·1 answer
  • An object is thrown vertically and has an upward velocity of 18 m/s when it reaches one
    5·1 answer
  • Newton discovered that the colors formed by a prism can be recombined to
    9·1 answer
  • When do the heavier elements finally form? Give a few example.
    12·1 answer
  • What product is formed by a reaction in which the hydrogen atoms of an acid are replaced by
    14·1 answer
  • (i) What happens to the magnitude of the charge on each plate of a capacitor if the potential difference between the conductors
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!