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
GalinKa [24]
2 years ago
5

Please help me with this question,giving the first correct answer brainliest

Physics
2 answers:
Bess [88]2 years ago
7 0

Answer:

Your answer is A

Explanation:

Anettt [7]2 years ago
3 0

Answer:

Mixture

Explanation Just did test :)

You might be interested in
How does nuclear fusion produce energy
prisoha [69]
The fusion reaction that is easiest to accomplish is the reaction between two hydrogen isotopes: deuterium, extracted from water and tritium, produced during the fusion reaction through contact with lithium. When deuterium and tritium nuclei fuse, they form a helium nucleus, a neutron and a lot of energy.
6 0
3 years ago
In a nuclear reactor 1 g of mass is converted into energy. How much energy in Joules is produced?
KengaRu [80]

Answer:

3 x 10^5  J

Explanation:

mass of substance, m = 1 g = 0.001 kg

Velocity of light, c = 3 x 10^8 m/s

According to the Einstein mass energy equivalence, the energy associated with the mass is given by

E = m c^2

E = 0.001 x 3 x 10^8

E = 3 x 10^5  J

5 0
3 years ago
A pulley system lifts a 1345 n weight a distance of 0.975m. Paul pulls the rope a distance of 3.90m, exerting a force of 375N. A
Rashid [163]

A. IMA: 4

The Ideal Mechanical Advantage (IMA) is given by:

IMA = \frac{d_i}{d_o}

where

d_i is the input distance

d_o is the output distance

For the pulley system in this problem, d_i = 3.90 m and d_o = 0.975 m, so the IMA is

IMA=\frac{3.90 m}{0.975 m}=4


B. MA: 3.59

The actual mechanical advantage (AMA), or simply the Mechanical Advantage (MA), is given by

MA=\frac{F_o}{F_i}

where F_o is the output force and F_i is the input force. For the pulley system in this problem, F_i = 375 N and F_o = 1345 N, so the MA is

MA=\frac{1345 N}{375 N}=3.59


C. Efficiency: 89.8 %

The efficiency of a machine is equal to the ratio between the MA and the AMA:

\eta = \frac{MA}{AMA} \cdot 100

Therefore, in this case,

\eta=\frac{3.59}{4}\cdot 100=0.898=89.8 \%

3 0
3 years ago
What is the only planet where a day lasts longer than a year?
Ksivusya [100]

Answer:

Venus

Explanation:

Facts about Venus:

  • A day on Venus lasts little longer than a year on Venus.
  • Venus is the second largest planet in the solar system.
  • It completes one rotation every 243 Earth days.
  • Venus is called Earth's sister planet.
  • It is named after the Roman goddess of love and beauty.
  • Venus is one of the most hottest planet in our solar system.

3 0
3 years ago
What in th max age of a dog
Anna11 [10]
Ok, SO my family runs a Dog Day Care. ( littlecanineclubhouse.com if you need proof.)

And what i have found it that it really depends on the type of dog it is.

Such as a PUG, they can live anywhere between 15 to 20 years.
A Boston Bull Terrier can live up to about 10 to 15 years.
A French Bull dog can live anywhere up to 10 to 12 years.
A golden Retriever can live up to 10 to 12 years. 
ETC. 

SO it really depends on the dog. 
6 0
3 years ago
Other questions:
  • Of the more than 2,000 known minerals approximately 95% of them belong to what mineral group?
    10·1 answer
  • 5 uses of satellite​
    15·1 answer
  • This is a strong, short-lived magnet created by a looped electrical current.
    15·1 answer
  • organisims that have a physical trait that makes it easier for them o access food supply are unlikely to pass on that trait to t
    14·1 answer
  • A solid, glowing-hot object will emit light over the full range of wavelengths resulting in a spectrum. If a diffuse and relativ
    6·1 answer
  • When a tuning fork of frequency 201 Hz vi-brates beside a piano string, beats are heard.The string is tightened slightly and the
    9·1 answer
  • What can be found in every skeletal muscle?
    8·2 answers
  • Boys A and B, are pulling a heavy cabinet at the same time with 5 N of force
    12·1 answer
  • How might the temperatures on Mercury be different if it had the same mass as Earth?
    7·1 answer
  • 3 What is the displacement of a satellite when it makes a complete round along its circular path?​
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!