The best way to know what the safe load is for the boat is to calculate the buoyancy of the boat.
According to the Archimedes' principle, when a body is some merged in a liquid partially or fully, an upward force is applied on the body by the fluid that is equal to the weight of the fluid displaced by the body.
This upward force is called buoyancy.
As long as the weight of the lord on the boat is equal to the buoyancy of the boat it can we considered a safe load limit for the boat.
The buoyancy of the boat can be calculated by using the volume of the boat the density of the liquid in which the boat is going to serve and the acceleration due to gravity.
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When steam turns a turbine, what is the energy conversion? *
1. Thermal to mechanical
2. Electrical to mechanical
3. Mechanical to chemical
(pls help)
Which of the following skills that you learn while participating in a team sport is also a life skill that employers look for?
A.
Showing respect to others
B. Working well with others
c.
Problem solving
D
All of the above
Answer:
The answer is all of the above
Explanation:
Answer:
D
Explanation:
Bob and Sarah build an electromagnet by wrapping a wire around a nail and connecting the wire to both terminals of a battery. When they test the electromagnet, it can pick up six paper clips. Their teacher wants all groups to pick up at least 10 paper clips. What revisions could Bob and Sarah make to increase the number of paper clips their electromagnet picks up
1). Wrap more turns of the wire around the nail.
2). Increase the electrical current through the wire. (Do this by inserting another battery in the circuit, in series with the first one.)
explain why the rate of diffusion of a gas decreases with decrease in temperature
Temperature: Higher temperatures increase the energy and therefore the movement of the molecules, increasing the rate of diffusion. Lower temperatures decrease the energy of the molecules, thus decreasing the rate of diffusion. Solvent density: As the density of a solvent increases, the rate of diffusion decreases.
what are the uses of convex lens
Answer:A convex lens is employed in microscopes and magnifying glasses to converge all incoming light rays to a particular point. ...
The convex lens is used in cameras. ...
A convex lens is used for the correction of hyperopia. ...
The converging lens is used in the projector as well.
The half-life of technetium-99 is 6 hours.How much of a 100 milligram sample of
technetium-99 will remain after 30 hours? *
O 3.125 mg
O 12.5 mg
O 6.25 mg
O 1.56 mg
All waves change speed when they enter a new medium, but they don't always bend. When does bending occur?
How is our magnetic field made?
Answer:
REVENGE
Explanation:
HAHAAHAHAAHAHAHA
Each gene controls the production of one or more specific ( Blank).
Answer:
Genes are located in the CHROMOSOME
Explanation:
Genes are contained in chromosomes, which are in the cell nucleus. A chromosome contains hundreds to thousands of genes. Every normal human cell contains 23 pairs of chromosomes, for a total of 46 chromosomes. A trait is any gene-determined characteristic and is often determined by more than one gene.
Answer:
CHROMOSOME
Explanation:
SE UM CORPO ELETRICAMENTE NEUTRO É CARREGADO COM PROTONS, entao afirmamos; a) fica carregado negativamente b) fica carregado só com cargas positivas c) fica carregado positivamente d) fica com excesso de eletrons e) continua eletricamente neutro
Answer:
c) It gets positively charged
Explanation:
If an electrically neutral body is loaded with protons so it gets positively charged because proton has positive charge. When the protons is added to the neutral body, it can't remain neutral because the quantity of positive charges increases in the nucleus and it gets positively charged while on the other hand, the atom from which protons are taken will acquire negative charge due to presence of more number of electrons and we know that electrons has negative charge.
what is the amplitude and wavelength of the wave shown below?
Amplitude: 30 cm; wavelength 110cm.
An elevator is rising up a vertical shaft in a skyscraper. Between the 12th and 20th floors, it travels at a constant speed. During this time period:
1.) The only unbalanced force acting on it is air resistance.
2.) The forces acting on it are balanced so the net force is zero.
3.) The upward force is greater than the combined downward forces of gravity and air resistance, making it move upward.
4.) There are no forces acting on it so the net force is zero.
Las ondas tienen elementos de posición y temporales uno de ellos se define como, La distancia recorrida por una onda en un período se llama Opciones: Longitud de onda Frecuencia Período Velocidad
Answer:
Velocidad.
Explanation:
Físicamente hablando, la velocidad es la distancia recorrida por unidad de tiempo. En el caso de las ondas se trata de la distancia recorrida en un período de tiempo.
Por ende, la opción correcta es: Velocidad.
A car goes from 0 m/s to 13 m/s in 10 seconds. What is the
car's rate of acceleration?
Answer:
V initial = 0 m/s
V final = 13 m/s
Time = 10 s
Vf - Vi / T =
13-0/10 =
1.3 m/s^2
Explanation:
Hey<3
A sports car accelerates at 4.3 m/s2. If the car exerts a force of 4106 N, what is the mass of the sports car?
Answer:
954.88kg
Explanation:
F=ma
Given that,
F = 4106N
and a = 4.3m/s²
By rearranging the equation,
m = F÷a
m = 4106 ÷ 4.3
m = 954.88kg
What is the color of lava at its hottest? Help asap
ol
ir Q.No.la ताल भनका क
The unit of density is called derived unit, why?
Answer: Density is measured in kg⋅m−2 . This means that it is derived from fundamental units which are the kilogram and metre. ... hence the kilogram and the metre are SI units and density is a derived unit from these units
Explanation:
they are calculated from the base units mass and length. Density is one derived unit; force, area, volume, specific volume and mass fraction are also derived units. Each derived unit is defined by a quantity equation.
Answer:
Density is obtained through mathematical manipulation.
Explanation:
A derived unit is obtained through mathematical calculation and the result is written with the S.I unit kg/m³
If the model spacecraft were made ONLY out of plastic (no other materials) would it be repelled by the magnet launcher?
yes or no?
Answer:
no it wont i think
Explanation:
a. It shows the relative distance of each planet from the sun
b. It shows the relative amount of sunlight each planet receives
c. It shows the relative size of each planet tone another
d. It shows the relative period of rotation for each planet
Answer:
C. It shows the relative size of each planet tone another
Explanation:
I took this quiz earlier. Hope you have a great day! :)
help please :)))))))))))
Find the tension in the two groups that are holding the 2.9 kg object in Pl., One makes an angle of 35.6° with respect to the vertical group 2 is pulling horizontally
Answer:
≈ 20.35 N [newton's of tension]
Explanation:
( (2.9 × 9.8) ÷ cos(35.6°) ) × sin (35.6°) =
( (28.42) ÷ (≈0.813) ) × (≈0.582) =
(≈34.96) × (≈0.582) = 20.3449446.... ≈ 20.35
classify forest of nepal on the basis of height and temperature.
The forest of Nepal has been described here on the basis of the levels of altitude, and different types of climate under the following vegetation zones:
Tropical zone(-1,000m) Subtropical zone (1,000-2,000m) Temperate zone (2,000-3,000m)Can someone please help me with science.
Answer:
The answers to your questions are given below
Explanation:
22. The energy of an electromagnetic wave and it's frequency are related by the following equation:
E = hf
Where:
E => is the energy
h => is the Planck's constant
f => is the frequency
From the equation i.e E = hf, we can conclude that the energy of a wave is directly proportional to it's frequency. This implies that an increase in the frequency of the wave will lead to an increase in the energy of the wave and also, a decrease in the frequency will lead to a decrease in the energy of the wave.
23. Gamma ray and radio wave are both electromagnetic waves. All electromagnetic waves has a constant speed of 3×10⁸ m/s in space.
Thus, gamma ray and radio wave have the same speed in space.
Why would you have trouble breathing at high altitudes?
A. it is colder at the top of a mountain
B. the oxygen molecules are spread farther apart
C. the oxygen molecules are closer together
Answer:
A. It is colder at the top of a mountain
Explanation:
When acceleration and velocity are in opposing directions, the speed will
Answer:
If the velocity and acceleration are in the same direction (both have the same sign - both positive or both negative) the object is speeding up. If the velocity and acceleration are in opposite directions (they have opposite signs), the object is slowing down.
Please mark my answer brainliest for further answers :)Why did the lemon battery work and how many volts does one produce?
O The juice of the lemon is an acid and the acid caused 2 volts.
O The juice of the lemon is an electrolytic solution allowing electrons to flow and created around 5 V.
O The juice of the lemon is an electrolytic solution allowing electrons to flow and created around 1.5 V.
O The juice of the lemon is an acid and the acid caused 1 volt.
Answer:
the third one
Explanation:
A tuba creates a 4th harmonic of frequency 116.5 Hz. What is the frequency of the third harmonic? (Speed of sound = 343 m/s) (Unit = Hz )
Answer:
3rd Harmonic Frequency created by tuba is equal to [tex]87.375[/tex] hertz
Explanation:
Given -
4th Harmonic frequency created by tuba is equal to [tex]116.5[/tex] hertz
1st Harmonic Frequency created by tuba is equal to [tex]\frac{116.5}{4}[/tex] hertz
3rd Harmonic Frequency created by tuba is equal to [tex]3* \frac{116.5}{4}[/tex] hertz
3rd Harmonic Frequency created by tuba is equal to [tex]87.375[/tex] hertz
Answer:
87.375 Acellus
Explanation:
GIVING BRAINLIEST PLEASE HELP!!
-if you answer correctly ill give you brainliest which will give you 23pts-
Answer: wood
Explanation: pls help me https://brainly.com/question/22777864
Energy can come from electricity, but it
can also come from water
false
true
Answer:
the answer is truth
Explanation:
Answer:
I think it might be true...
EASY QUESTION IM GIVING BRAINLIEST!!
20 PTS
Maybe stainless steel :)