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
allsm [11]
3 years ago
10

Help please! based on the following table, which object has the lowest density? A. object A B. object B C. object C D. object D

Physics
2 answers:
seraphim [82]3 years ago
6 0
The answer to this question lies in the definition of density. One material will just float over another if its density is smaller. If one material is denser than the other, it will sink. Density can be defined as the mass per unit volume of a substance at a given pressure and temperature. Thus, for a material to float in water, it does not depend on the weight, or rather on the mass, but on the distribution of the mass by the volume occupied, that is, of the density. The more distributed the mass, that is, the larger its volume, the less dense the object and it will float.


Object C has the lowest density<span>
65 N or 6.5 Kg ------------ 6 N or 6 Kg

This effective mass under water will be its actual mass minus the mass of the fluid displaced. 

The buoyant force on a submerged object is equal to the weight of the fluid displaced.
Weight of object - buoyant force on object (the mass of the fluid displaced)

6Kg - 6.5Kg= - 0.5Kg

</span>Answer: C. object C
swat323 years ago
6 0

Answer:

C

Explanation:

As we know density is the ratio of mass to volume. As per the given data in table, Buoyant force is the repulsive force which is applied by the water or liquid in upward direction when an object is placed or merged in the liquid. An object will sink only when the buoyant force will be less than than the force applied from upward direction on that object, hence it will have greater density.

Of all the options available, only option C is the object which has the lowest density.

In this case the buoyant force is greater than the weight of the object hence the body will not sink, rather it will float on surface hence it has the lowest density of all.

You might be interested in
A police officer uses a radar gun to determine the speed of a car. A specialized radar gun uses ultraviolet light to determine t
Virty [35]

Answer:

A transverse and D electromagnetic

on edg2020

Explanation:

I got it right on the test

good luck

5 0
3 years ago
Read 2 more answers
The entropy of an isolated system must be conserved, so it never changes.a. Trueb. Fasle
Snowcat [4.5K]

Answer:

B: False

Explanation:

The second law of thermodynamics states that: the entropy of an isolated system will never decrease because isolated systems always tend to evolve towards thermodynamic equilibrium which is a state with maximum entropy.

Thus, it means that the entropy change will always be positive.

Therefore, the given statement in the question is false.

6 0
3 years ago
Which of the following is fact-based science rather than part of a personal belief system?
marusya05 [52]
Since there are no choices, then this question calls for open-ended answers. Facts-based science must have proven underlying laws that support inferences such as Coulomb's Law, Kinetic Theory of Matter and many more. On the other hand, examples of science that focus on personal belief is philosophy. This depends on the perspective of known philosophers. An example would be Sigmund Freud who proposed the theory of 3 personalities. Although it is more on personal beliefs, this is used as a foundation in the study of psychology.
3 0
3 years ago
Some miners wish to remove water from a mine shaft. A pipe is lowered to the water 90 m below, and a negative pressure is applie
WITCHER [35]

Answer:

Explanation:

Given

Pipe is lowered to the water h=90\ m

Negative Pressure is applied to raise the water

Pressure is given by

P=\rho gh

where P=pressure

\rho =Density

h=depth

P=10^3\times 9.8\times 90

P=8.82\times 10^{5}\ N/m^2\approx 8.82\ atm

(b)8.82 atm is much lower than the vapor pressure of water

(c)The fact of applying a negative pressure of 8.74 below the vapor pressure of water

4 0
3 years ago
Hello, I wanted an answer from a mathematician. The number 1.04 is closer to the number 1, 2, 1.25 or 1.5.
babymother [125]

Answer:

Explanation:

Of the 4 numbers given, the answer is 1 or A

If you take the absolute value of abs(1 - 1.04) you get 0.04.

(2 - 1.04) = 0.96

1.25 - 1.04 = .21

1.5 - 1.04 = 0.46

The last three are all larger than 0.04

Note: absolute value means the positive difference between 2 numbers (even  though it is negative). If it is negative, absolute value makes it positive.

3 0
2 years ago
Other questions:
  • Light rays from stars bend toward smaller angles as they enter Earth's atmosphere. a. Explain why this happens using Snell's law
    8·1 answer
  • Which group of animals would be served best by the following adaptations?
    8·2 answers
  • Which of these statements about a dipole are correct? Select all that are true.
    12·1 answer
  • What are the benefit and what are drawbacks of GMO
    5·1 answer
  • What name is given to the variable we plot on the x-axis
    8·2 answers
  • What of the following does NOT influence resistance? *
    8·1 answer
  • Which statement describes the difference between renewable and nonrenewable energy sources
    14·1 answer
  • Using Hooke's law, Fspring=kΔx, find the elastic constant of a spring that stretches 2 cm. when a 4 Newton force is applied to i
    7·1 answer
  • What nutrient does your body need the most? A. protein B. vitamins C. water D. carbohydrates
    11·2 answers
  • If you jump upward with a speed of 1.70 m/s how high will you be when you stop rising?
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!