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MAVERICK [17]
3 years ago
10

Which of the best describes a solution

Physics
1 answer:
Andreyy893 years ago
3 0
Answer:

1).A mixture having a uniform composition where the components can't be seen separately and all components are in the same state best describes a solution. In chemistry, a solution is a homogeneous mixture composed of two or more substances.
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What subatomic particle identified this atom
mylen [45]

Answer:

protons

Explanation:

the protons identifies an atoms as that of a particular element the atomic number is equal to the number of protons in the nucleus of an atom

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4 years ago
You are going sledding with your friends, sliding down a snowy hill. Friction can't be ignored. Riding solo on your sled, you ha
Musya8 [376]

If you let a friend ride with you, increasing the mass does increase the net force on the system, but it also increases the inertia. a=Fnetm. Since both the net force and mass are increased they still cancel, leaving the acceleration the same.

<h3>Further explanation </h3>

Inertia is the tendancy of a moving object to keep moving in a straight line or of any object to resist a change in motion.

According to the picture below, we choose x-direction parallel to the inclined surface. Our positive direction is to the right. Hence, we will calculate the acceleration when riding solo first:

\Sigma F_x = mg sin \theta - F_k = m a_x\\mg sin \theta - F_k = m a_x\\a_x = \frac{mg sin \theta - F_k }{m} ... (1)\\

\Sigma F_y = F_n - mg cos \theta = m a_y = 0\\F_n = mg cos \theta\\F_k = \mu_k F_n\\F_k = \mu_k mg cos \theta\\

Put (2)  into  (1)  

a = \frac{m g sin \theta - \mu_k m g cos \theta}{m} \\a = g sin \theta - \mu_k g cos \theta

From the equation 3, we found that the acceleration does not depend on the mass of the object. Notice that:

g  is constant

\theta is constant,

\mu_k is constant

So that, a  is constant whatever the amount of the mass is

<h3>Learn more</h3>
  1. Learn more about inertia brainly.com/question/720714

<h3>Answer details</h3>

Grade:  9

Subject: physics

Chapter:  inertia

Keywords:  inertia

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3 years ago
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A 64-kg skater initially at rest throws a 4.0-kg medicine ball horizontally to the left. Suppose the ball is accelerated through
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Explanation:

64-kg skater initially at rest throws a 4.0-kg medicine ball horizontally to the left. Suppose the ball is accelerated through a distance of 1.0 mm before leaving the skater's hand at a speed of 7.0 m/s. Assume the skater and the ball to be point-like and the surface to be frictionless and ignore air resistance. Use a vertical y-axis with the positive direction pointing up and a horizontal x-axis with the positive direction pointing to the right.

Required:

a. Determine the acceleration of the ball during the throw.

b. Determine the acceleration of the skater during the throw.

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3 years ago
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What is the difference between force and energy
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Force- An interaction between an object that causes it to change it's velocity.

Energy- Ability to do work. It also comes in different forms including Thermal heat, Radiant Light, and Kinetic Motion.
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Sunspots, flares, prominences, and coronal mass ejections are all caused by.
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Sunspots, flares, prominences, and coronal mass ejections are all caused by magnetic activity on the Sun.

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