Answers
Answer:
Circled in Red...plus the scales, of course.
Explanation:
Related Questions
An oil tanker has a mass of to, 40000 tonnes. It is 500m long and 40m wide. What is the mininum depth of harbor it requires?
Answers
The minimum depth of harbor of the oil tank is 2.22 m
The given parameters:
mass of the oil tanker, m = 40,000 tonnes
length of the tanker, l = 500 m
width of the tanker, w = 40 m
To find:
minimum depth of harbor
Note: The specific gravity of oil is approximately 0.9
The density of water ([tex]\rho_w[/tex]) = 1000 kg/m³
Covert the given mass to kilogram
1 tonne = 1000 kg
40,000 tonnes = 40,000,000 kg
The density of the oil tanker is calculated as:
[tex]S.G = \frac{\rho_o}{\rho_w} \\\\\rho_o = S.G \times \rho_w\\\\\rho_o = 0.9 \times 1000\\\\\rho_o = 900 \ kg/m^3[/tex]
The volume of the oil tanker is calculated as:
[tex]Volume = \frac{mass}{density} \\\\Volume = \frac{40,000,000}{900} \\\\Volume = 44,444.44 \ m^3[/tex]
The minimum depth of harbor is calculated as:
[tex]height = \frac{volume}{Length \times width} \\\\height = \frac{44,444.44}{500\times 40} \\\\height = 2.22 \ m[/tex]
The minimum depth of harbor of the oil tank is 2.22 m
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Differences between law of flotation and Archimedes's principle
Answers
Answer:
Differences between law of flotation and Archimedes's principle
here
Explanation:
Convert 4 centimeters to meters using dimensional analysis and scientific notation. Please go step by step as I am having difficulty with this subject.
Answers
Answer:
[tex]thank \: you[/tex]
A probability of breaking a tree is more than a short one during storm
Answers
Answer:
due to inertia of motion
PLEASE HELP
You are given a liquid mixture to identify as a colloid, suspension, or solution. When you shine light from a laser pointer you can see the beam spread out in the mixutre. Only some light passes through. What is the next test you should perform to determine the type of mixture?
Heat the mixture to evaporate the water.
Shine the light through again several times.
Wait to see if the particles settle out of the mixture.
Shake the mixture.
Answers
Waiting to see if the particles settle out of the mixture will be the next test to perform to determine the type of mixture.
What is a Mixture?This comprises of two or more substances which aren't chemically bonded together.
Suspension is a heterogeneous mixture that settle out of solution while colloid is a heterogeneous mixture that do not settle out of solution which is why option C was chosen.
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thanks for the points :D
Which of the following elements has properties different than the rest?
H
K
N
O
Answers
Answer:
I think K . If it not, then sorry.Hope I helped you.
Answer: The answer [b] or also known as k
Explanation:
Vector A has a magnitude of 75.0 cm and points at 30° above the positive x-axis. Vector B has a magnitude of 25.0 cm and points along the negative x-axis. Vector C⃗ has a magnitude of 40.0 cm and points at 45° below the negative x-axis.
(a) Determine the x and y components of Vector A
(b) Determine the x and y components of Vector B .
(c) Determine the x and y components of Vector C .
(d) Determine x and y components of the sum of these three vectors.
(e) Determine the magnitude of the sum of these three vectors.
(f) Determine the direction of the sum of these three vectors.
Answers
(a)
A = (75.0 cm) (cos(30°) i + sin(30°) j)
A = (75.0 cm) (√3/2 i + 1/2 j)
A ≈ (64.95 i + 37.5 j) cm
The x component is the coefficient of the i unit vector, while the y component is the coefficient of the j unit vector.
(b) "points along the negative axis" in other words means that B makes an angle of 180° with the positive x-axis in the counterclockwise direction. In particular this tells you that B is parallel to the x-axis, so its y component would be zero.
B = (25.0 cm) (cos(180°) i + sin(180°) j)
B = (25.0 cm) (-1 i + 0 j)
B = (-25.0 i) cm
(c) If the negative x-axis corresponds to 180°, then 45° below this would make an angle of 180° + 45° = 225° with the positive x-axis.
C = (40.0 cm) (cos(225°) i + sin(225°) j)
C = (40.0 cm) (-1/√2 i - 1/√2 j)
C ≈ (-28.28 i - 28.28 j) cm
(d) The sum A + B + C has components that are the sums of the components of each of A, B, and C.
A + B + C ≈ (11.67 i + 9.22 j) cm
(e) The magnitude of the vector sum is
||A + B + C|| = √((11.67 cm)² + (9.22 cm)²) ≈ 14.87 cm
(f) Since both components of the vector sum are positive, you know that it's a vector that terminates in the first quadrant of the x,y-plane, so it makes an angle with the positive x-axis of
arctan(9.22/11.67) ≈ 38.3°
A solid sphere and a solid cylinder , both uniform and having the same mass and radius, are released from rest at the same height on a ramp. If they roll down the ramp without slipping, which one will have the lower forward velocity at the bottom of the ramp?
a. The solid sphere
b. The solid cylinder
c. Both will have the same forward velocity
Answers
Answer:
I (cylinder) = 1/2 M R^2
I (sphere) = 2/5 M R^2
The equation of motion shows
I * alpha = M g R sin theta = const
An increase in the moment of inertia will result in a smaller acceleration
The cylinder will have the smallest forward velocity because it will arrive at the bottom after the sphere
what do you mean by MA of a lever is 3 , VR of a lever is 4 and efficiency of a machine is 60%
Answers
Which type of bond and how many bonds would occur as carbon dioxide (CO2) is formed from carbon in Group IVA and oxygen in Group VIA?
A. Three metallic bonds
B. two ionic bonds
C. One covalent bond
D. Four covalent bonds
Answers
Answer:
The answer is D. Four covalent bounds
what is matter made of ?
Answers
Explanation:
Matter is anything occupies space and has mass
Matter is made up small tiny particles called atom
Atom contains:-
Proton
Neutron
Electron
Revolution: One orit of an object in space around another_ days?
Answers
Answer:
365 days..
Explanation:
Hope it may help you シ︎♡︎
[tex] \huge\mathfrak\green{365 \: or \: 366 \: Days.}
[/tex]
[tex]Hope \: it \: helps[/tex]
what happens when you mix water and baking soda
Answers
astone is thrown upwards with an initial velocity of 25m/s atan angle of 30 to the ground.what is the work out the stones horizantal range ?
Answers
Answer:
Range is 62.5 metres
Explanation:
Time of flight
[tex]t = \frac{2u \sin( \theta) }{g} [/tex]
for range, acceleration is zero
from second newton's equation:
[tex]S = ut + \frac{1}{2} {at}^{2} [/tex]
but a = 0:
let range be x:
[tex]x = ut \\ x = \frac{2 {u}^{2} \sin( \theta) }{g} \\ \\ x = \frac{ \{2 \times 25 {}^{2} \sin(30 \degree) \}}{10} \\ \\ x = 62.5 \: metres[/tex]
[ taken g to be 10 m/s² ]
Late one night on a highway, a car speeds by you and fades into the distance. Under these conditions the pupils of your eyes have diameters of about 7.0 m m. The taillights of this car are separated by a distance of 1.4 m and emit red light (wavelength = 660 nm in vacuum). How far away from you is this car when its taillights appear to merge into a single spot of light because of the effects of diffraction?
Answers
Diamond has a density of 3.26 g/cm3
. What
is the mass of a diamond that has a volume of
0.214 cm3
?
Answer in units of g
Answers
Explanation:
Hey there!
According to the question;
Density of diamond (d) = 3.26g/cm³
And Volume (v) = 0.214 cm³
Mass(m) = ?
From the definition of density;
d = m/v
Or, 3.26 g/cm³ = m/(0.214 cm³)
or, 3.26 g/cm³ * 0.214 cm³ = m
Therefore, mass of the diamond is 0.69764 g.
Hope it helps!
what happens to the value of g when we move from equator to the pole.the weight of an object is greater at poles than at equator .
why?
Answers
Hope you understand
prove the conservation of linear momentum
Answers
Answer:
force experienced by A and B are equal and opposite, that is total momentum before collision is equal to total momentum after collision if no external forces act on them which proves the principle of conservation of linear momentum.
Convert 17800 seconds into day
Answers
Answer:
the answer is 0.206 day
hope this helps!
Answer:
17800 Second (s) = 0.206019 Day (d)
what is the function of thrombocytes
Answers
Answer:
the function of the thrombocytes is to clott blood
A car is traveling at a constant speed on the highway. Its tires have a diameter of 65.0 cm and are rolling without sliding or slipping. If the angular speed of the tires is 49.0 rad/s , what is the speed of the car, in SI units
Answers
Answer:
Explanation:
The car is rolling without slipping so Vcm= R×ω = 0.325×49 = 16
_________statistics are measures that summarize the characteristics of a sample
Answers
Answer:
Explanation:
Descriptive statistics statistics are measures that summarize the characteristics of a sample.
Hope it helps
LESSON-THE PLANT Fairy
1) Fill in the blanks using given options.
( Grass, tree, Mehndi, shapes and colour)
a) Plants with thick or thin trunk are called as
b) Leaves of different plants have different
c) Didi was sitting on the
d) is a bush.
Answers
B. Shapes
C. Grass
D. Mehndi
An engineering company needs to solve a design problem.
It is designing a high-speed train to transport passengers
between Boston and Atlanta.
Which statement is a criterion for this project?
O A. The train must not take more than six years to build.
B. The train must not have wheels with bearings that need
lubrication,
O C. The train must cost less than $150 million to design.
D. The train must be able to maintain a speed of 250 km/h.
Answers
The engineering company must consider the speed of the train in the design.
The correct answer is option D.
To design a high speed train to transport passengers between Boston and Atlanta, the engineering company must include the following design criterion in the project:
the speed of the train: this must be high in order to satisfy the high-speed criterion in the statement of the problem.Thus, the only statement in all the given options that considered speed of the train is option D.
"D. The train must be able to maintain a speed of 250 km/h."
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Answer:
The train must provide a smooth ride for passengers between bosten and atlanta
Explanation:
how many grams of CaCo3, will react with dil HCL to produce 75gm of Co2 ?
Answers
Answer:
100g is correct answer.
Answer:
100 grams
Explanation:
CaCO3 ➡️ CaO + CO2
pls mark brainlies!
Name another way that energy is made
Answers
Answer:
The three major categories of energy for electricity generation are fossil fuels (coal, natural gas, and petroleum), nuclear energy, and renewable energy sources. Most electricity is generated with steam turbines using fossil fuels, nuclear, biomass, geothermal, and solar thermal energy.
Explanation:
Solar
Wind
Geothermal
Hydrogen
TidaWave
Hydroelectric
Biomass
A rock is thrown straight up from the edge of a cliff. The rock reaches the maximum height of 15 m above the edge and then falls down to the bottom of the cliff 35 m below the cliff. What is the traveled distance of the rock?
A. 30 m B. 35 m C. 50 m D. 65 m
Answers
Answer:
The distance travelled by the rock is 65m
The rock is thrown 15 m up from the edge of the cliff and it have to travel 15 m down to reach the cliff and go to bottom of the cliff by 35 m. Thus, the total distance travelled by the rock is 65 m.
What is distance?Distance is a physical quantity used to measure how far an object is travelling. It is a scalar quantity and is characterised by magnitude only. Distance travelled is sometimes substituted with displacement. Both have the units in cm, m, feet, kilometer etc.
Distance in physics is the product of the speed of a moving body and the time taken complete the travel.
Distance = speed × time.
It is given that, the rock is thrown straight up from the edge of a cliff and it reaches upto 15 m. Then it have to return back this 15 m down to reach the edge. From there it goes 35 m below.
Thus, total distance = 15 + 15 + 35 = 65 m.
Therefore, the total distance travelled by the rock is 65 m.
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A car speeds up from 0.0 m/s to 14.0 m/s
in 3.25 s.
The acceleration of the car is:
A. 14.0 m/s2
B. 4.31 m/s2
C. 45.5 m/s2
D. 10.8 m/s2
Answers
Explanation:
Its speed is zero at the beginning of the 3.25 s and 14 m/s at the end.
I'm thinking you probably wanted to find the car's acceleration.
Acceleration =(change in speed) / (time for the change).
Acceleration =(14m/s )/ (3.25s) .
Acceleration = 4.31m/s² .
I hope it will help you so.
Have a great day.
Be safe and be happy.
Hope I have helped
2 1.1.4 Quiz: Introduction to Physical Science
Question 2 of 10
Which expression correctly describes energy using SI units?
O A. 1 J = 1 kg-m/s2
O B. 1 J = 1 kg.m/s
C. 1 J = 1 kg:m2/s2
D. 1 J = 1 kg.m/s
SUBMIT
Answers
Answer:
A. 1 J= 1 kg•m²/s² :)
Explanation:
How to use calculus in physics ?
Answers
Explanation:
In Physics, many quanitties are the function of other quanitities.
For instance in kinematics, where the displacement (s), position (x), velocity (v) and time (t) of a particle are related.
Suppose the position of a particle can be descirbed as a function of time, i.e.
[tex]x=f(t)[/tex]
then since velocity is the rate of change of position, we write
[tex]v=\dfrac{d}{dt}f(t)=f'(t)[/tex]
which is the derivative of the poisiton/ time function.
On the other hand, the displacement of the particle is the sum of position changes over time, so the displacement can be defined by
[tex]s=\int^{t_1}_{t_0}f(t)dt[/tex]
which is the integration of postion/ time function.