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3 years ago

Which best describes why liquids needs a container when a solid does not

Physics

2 answers:

Vika [28.1K]3 years ago

6 0

Answer:

<em>The answer to this question is B: </em>Solids have a definite shape and a liquid takes the shape of its container

Explanation:

I did the quiz

Vladimir [108]3 years ago

4 0

Answer:because liquids does not stick togather so it spreads out and solids don't

Explanation:

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QUESTION 6

Daniel [21]

Question 7 is false

5 0

3 years ago

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A ball is rolling across the floor at a constant velocity. What is the value of the change in its kinetic energy, ΔEk?

Katyanochek1 [597]

B. When the ball is rolling across the floor at a constant velocity, the change in its kinetic energy is zero.

<h3>What is change in kinetic energy?</h3>

The change in kinetic energy of an object is the dereference between the final kinetic energy and the initial kinetic energy.

ΔK.E = K.Ef - K.Ei

ΔK.E = 0.5m(vf² - vi²)

where;

K.Ef is the final kinetic energy
K.Ei is the initial kinetic energy
vf is final velocity
vi is initial velocity

At constant velocity, the initial velocity and final velocity are equal.

ΔK.E = 0.5m(0) = 0

Thus, when the ball is rolling across the floor at a constant velocity, the change in its kinetic energy is zero.

Learn more about kinetic energy here: brainly.com/question/25959744

#SPJ1

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2 years ago

How could some chemical changes be reversed?

Anna11 [10]

<span>If the reactants and the products are in a closed container and at equilibrium, so think of "trapping"</span>

3 0

3 years ago

Read 2 more answers

The Chartered Institute of Management Accountants defines activity-based cost management as follows: "An approach to the costing

egoroff_w [7]

Answer:

ABC is the activity based accounting. It is the costing done for each separate activity which maybe unit level, batch level, product sustaining or facility sustaining.

Explanation:

The basic difference between ABC and traditional costing systems can be explained with the help of the following diagram.

Traditional Costing System

Overhead Cost Accounts (For each individual expense e.g. tax)

First Stage Allocation

Cost Centers ( normally Departments)
Cost Centers ( normally Departments)

N. Cost Centers ( normally Departments)

Second Stage Allocation ( Direct Labor Or Machine Hours)

Cost Objects ( products, services and customers)

ACTIVITY BASED COSTING SYSTEMS

Overhead Cost Accounts (For each individual expense e.g. tax)

First Stage Allocation ( resource cost drivers)

Activity Cost Centers
Activity Cost Centers

N. Activity Cost Centers

Second Stage Allocation ( activity cost drivers)

Cost Objects ( products, services and customers) (Direct Costs)

Four steps are involved in the design of ABC systems.

identifying the major activities that take place in an organization
assigning cost to cost pools / cost centers for each activity
determining the cost for each major activity
assigning the cost of activities to products according to the product's demand for activities.

The first two steps relate to the first stage and final two steps to the second stage of the two - stage allocation process shown above.

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3 years ago

If F1 is the force on q due to Q1 and F2 is the force on q due to Q2, how do F1 and F2 compare? Assume that n=2.

Anna35 [415]

This question is incomplete

Complete Question

Three equal point charges are held in place as shown in the figure below

If F1 is the force on q due to Q1 and F2 is the force on q due to Q2, how do F1 and F2 compare? Assume that n=2.

A) F1=2F2

B) F1=3F2

C) F1=4F2

D) F1=9F2

Answer:

D) F1=9F2

Explanation:

We are told in the question that there are three equal point charges.

q, Q1, Q2 ,

q = Q1 = Q2

From the diagram we see the distance between the points d

q to Q1 = d

Q1 to Q2 = nd

Assuming n = 2

= 2 × d = 2d

Sum of the two distances = d + 2d = 3d

F1 is the force on q due to Q1 and

F2 is the force on q due to Q2,

Since we have 3 equal point charges and a total sum of distance which is 3d

Hence,

F1 = 9F2

6 0

4 years ago