Answer:
The question you asked was 3hrs ago, i assumed you may have found it out. It was just a question.
1. An elephant has a mass of 5,500 kg. What is the elephant's weight?
Write equation here:
Answer:
12125.42 Lbs.
Explanation:
The weight of the elephant is 53,900 N
The given parameters;
mass of the elephant = 5,500 kg
The weight of the elephant is calculated as;
Weight = mg
where;
m is the mass of the elephant
g is acceleration due to gravity = 9.8 m/s²
The weight of the elephant is calculated by substituting the given parameters;
Weight = 5,500 x 9.8 = 53,900 N
Thus, the weight of the elephant is 53,900 N
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6. You apply 50 N of force to a lever over a distance of 2 meters. The other end of the lever raises up 1 meter
(a) How weight does the lever lift?
(b) What is the mechanical advantage?
Answer:
ok this is when we come to calculating the mechanical advantage of a lever. To do this, you divide the distance from the fulcrum, the point at which the lever pivots, to the applied force by the distance from the fulcrum to the resistance force. Using this picture, this means dividing distance b by distance a.
Explanation:
2.
A dolphin can hear sounds with frequencies up to 280 kHz. What is the
speed of sound in water if a wave with this frequency has a wwavelength
of 0.51 cm?
Answer:
1428 m/s
Explanation:
Given that,
The frequency hear by a dolphin, f = 280 kHz
We need to find the speed of sound in water if a wave with this frequency has a wavelength of 0.51 cm.
The formula for the speed in terms of wavelength and frequency is given by :
[tex]v=f\lambda\\\\v=280\times 10^3\times 0.51\times 10^{-2}\\\\v=1428\ m/s[/tex]
So, the speed of sound in water is 1428 m/s.
Aponte a alternativa correta que faz a relação entre energias renováveis e sustentabilidade - O investimento em energia renovável ajuda o meio ambiente e a diminuição dos gases de efeito estufa e destruição da natureza -Não a relação entre esses dois conceitos, pois o desenvolvimento sustentável esta ligado a produção de materiais recicláveis -O desenvolvimento sustentável esta agregado ao desenvolvimento econômico e não com energias renováveis -A produção de carros elétricos só vai aumentar a poluição do ar
Answer:
letra a
Explanation:
3. If I have a block of solid gold and I continually add energy to it, will it continually increase in
temperature? Explain.
What happens to an object if the sum of the forces acting on it is greater than
zero?
The fastest production car can accelerate from 0 km/hr to 230 km/hr in 10.2 seconds over the distance of 0.400 km. What is the average speed of the car in km/s over .400 km?
A-0.024 km/hr
B-0.039 km/hr
C-0.392 km/hr
D-230 km/hr
Can someone help please
Answer:
The correct answer is 24.
Explanation:
What is the momentum of a 2.0-kg object that has a velocity of 8.0 m/s ?
Please help
10 points whats an average height for a egg drop? 20m or what?
Answer:
Egg Drop Challenge height
The containers will be dropped from an initial height of about 11.5 ft. The second and final drop will be from the second floor (about 19.5 ft).
Explanation:
Which hand is negatively charged?
A
B
C
D
Answer:
B
b
b
b
b
b
b
b
b
b
b
b
b
b
b
bb
b
b
b
b
b
b
b
b
b
b
b
b
b
b
Answer:
B is the answer
Explanation:
i marked b on my test and got 100%
What are
the three mediums that sounds
can travel through? Which the
fastest and which is the slowest?
You can take your heart rate for 6 seconds and multiply by 10 to get the 60 second count quickly during
True
False
Answer:
true
Explanation:
2 An object has a negative charge. Which statement about the object is correct? A Electrons have been transferred onto it. B Electrons have been transferred away from it. C It has more positive charges than negative charges. D Positive charges have been transferred away from it.
Answer:
A . Electrons have been transferred into it.
ps.. PLZ give me brainliest!!!
Tysm! Hope this helps!
The graph shows the amplitude of a pausing wave over time in secondo (o).
What is the approximate frequency of the wave shown?
A. 0.5 Hz
B. 0.1 Hz
C. 9 Hz
D. 20Hz
Answer:
its B
Explanation:
i just took the test
0.1 Hz the approximate frequency of the wave shown.
What is Frequency?In physics, frequency is the number of waves that pass a fixed point in a unit of time as well as the number of cycles or vibrations that a body in periodic motion experiences in a unit of time.
After moving through a sequence of situations or locations and then returning to its initial position, a body in periodic motion is said to have experienced one cycle or one vibration. See also basic harmonic motion and angular velocity.
The frequency is 2 per second if the period, or time interval, needed to complete one cycle or vibration is 1/2 second; it is 100 per hour if the duration is 1/100 of an hour.
Therefore, 0.1 Hz the approximate frequency of the wave shown.
To learn more about Frequency, refer to the link:
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Could there ever be a situation where a small sports car could have more inertia than a big bus?
Calculate equivalent resistance in the following between points P and Q.
[tex] \sf{(i) \: We \: are \: given \: a \: figure \: of \: Series \: Circuit. }[/tex]
[tex] \sf{Here \: Resistances \: are ,}[/tex]
[tex] \sf• \: R_{1} =3 Ω[/tex]
[tex] \sf• \: R_{2} =3Ω[/tex]
[tex] \sf• \: R_{3} =3Ω[/tex]
[tex] \sf{We \: know \: the \: formula \: of \: the \: Equivalent \: Resistance \: for \: Series \: Circuit, }[/tex]
[tex] \bf \red {\bigstar {\: R_{s} = R _{1} + R _{2} + R_{3}+...+ R_{n}}}[/tex][tex] \sf ⇒ R_{s} =(3 + 3 + 3)Ω[/tex]
[tex] \sf \therefore R_{s} =9Ω[/tex]
[tex] \sf \pink{ \boxed{Answer : 9 Ω.}}[/tex]
[tex] \\ \\ [/tex]
[tex] \sf{(ii) \: We \: are \: given \: a \: figure \: of \: Parallel \: Circuit. }[/tex]
[tex]\sf{Here \: Resistances \: are ,}[/tex]
[tex] \sf• \: R_{1} =3 Ω[/tex]
[tex] \sf• \: R_{2} =3 Ω[/tex]
[tex] \sf• \: R_{3} =3 Ω[/tex]
[tex] \sf{We \: know \: the \: formula \: of \: the \: Equivalent \: Resistance \: for \: Parallel \: Circuit, }[/tex]
[tex] \bf \red {\bigstar {\: \frac{1}{R_{p}} = \frac{1}{R _{1}} + \frac{1}{R_{2}} + \frac{1}{R_{3}}+...+\frac{1}{R_{n}} }}[/tex][tex] \sf⇒ \frac{1}{ R_{p} } = \frac{1}{3} + \frac{1}{3} + \frac{1}{3} [/tex]
[tex] \sf⇒ \frac{1}{ R_{p} } = \frac{1 + 1 + 1}{3} [/tex]
[tex] \sf⇒ \frac{1}{ R_{p} } = \frac{3}{3} [/tex]
[tex] \sf⇒ \frac{1}{ R_{p} } = 1[/tex]
[tex] \sf \therefore R_{p} = 1Ω[/tex]
[tex] \sf \pink{ \boxed{Answer : 1 Ω.}}[/tex]
hope it helps you.
Examine the cross-sectional slice of a stem of a mint plant. Which statement most specifically describes mint?
The available options are:
Mint is a dicot.
Mint is a monocot.
Mint is an angiosperm.
Mint is a bulb plant.
Answer:
Mint is a dicot.
Explanation:
Given the fact that Mint is considered to be a member of Lamiaceae, an angiosperm plant which is characterized by typically having leaves that consist of reticulate vacation and appears like veins in structure. It also has a seed that contains two cotyledons.
Hence, it is considered a DICOT PLANT due to these characteristics. The botanical name of Mint is referred to as Mentha arvensis.
Answer: A
Explanation:
If a velocity-time graph is horizontal, then acceleration is
a
zero.
b
positive
С
less than 1.
d
none of the above
If the velocity-time graph is horizontal, the acceleration is zero because the slope will be zero.
what's difference between results in dot product and cross product of vectors.
give examples
ASAP
Answer:
A dot product of two vectors is also called the scalar product. ... The difference between the dot product and the cross product of two vectors is that the result of the dot product is a scalar quantity, whereas the result of the cross product is a vector quantity.
Explanation:
Hope it is helpful.....
Which one is a element??
Answer:
A.) Carbon
Explanation:
Carbon is an element on the periodic table.
it has the symbol C, and is found in almost every single thing!
Answer:
Carbon
Explanation:
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Help anyone ? I need to pass this test !!!
Sitting causes your hip flexors to shorten, this can cause:
a.
weight gain
b.
heart disease
c.
tight hips
d.
varicose veins
Answer:
c. tight hips
Explanation:
sitting for too long is a major culprit in tightening the hip flexors. When you sit all day at a desk, the iliopsoas, in particular, shortens, making the flexors tight.
what do you add to distilled water for making it to conduct electricity
Answer:
we add salt to conduct electricity
How long will it take a bear to run 45 meters if it is traveling at 10m/s
Why is photosynthesis essential for plant homeostasis?
a
To color leaves green
b
To make food for the plant
c
To remove carbon dioxide from leaves
d
To make new types of cells
pls pls help me out AHH, what is not true about MEIOSIS?
A. The chromosomes in the daughter cells half the number from the parent cell.
B. The chromosomes in the daughter cells are the same number as the parents cell.
C. The only cells that will undergo meiosis will become sperm or egg cells used for reproduction.
D. The shuffling of genes happens in meiosis.
Answer:
B.
Explanation:
This is not true as the number of chromosomes in the daughter cells are half the number in the parent's cells
What’s I called when a HORIZONTAL VELOCITY DIVIDED BY VELOCITY.
Mice eat insects and get eaten by owls. In which case would a population of mice increase?
drought keeps grass from growing.
More mice die than are born.
The owl population increases.
The populations of insects increases.
What could you use to split white light into the colors of the rainbow?
A. A flashlight
B. A capacitor
C. A light bulb
D. A prism
Answer:
D
Explanation:
Answer:
prism
Explanation:
what happens to the current across a circuit when the voltage is doubled while the resistance is held back
Since the current is inversely propotional to its resistance, when the voltage is doubled the current will be one-half