Answer:
Antarctica
Explanation:
ap3x
Ganymede, the largest of Jupiter’s moons,
is also the largest satellite in the solar system. Find the acceleration of
gravity on Ganymede if a simple pendulum with a length of 1.00 m has a period
of 10.5 s
Answer:hereeee for pointssss only
Explanation:
The acceleration of gravity on Ganymede will be [tex]g=0.35\ \frac{m}{s^2}[/tex]
What will be the acceleration of gravity on Ganymede?It is given that for a simple pendulum on Ganymede
Lenth= 1.00 m
the time period T= 10.5 sec
The formula for a time period of simple pendulum will be
[tex]T=2\pi\sqrt{\dfrac{l}{g} }[/tex]
By rearranging the formula
[tex]g=l\times (\dfrac{2\pi}{T} )^2[/tex]
[tex]g=1\times (\dfrac{2\pi}{10.5} )^2=0.3577\frac{m}{s^2}[/tex]
[tex]g=0.3577\ \frac{m}{s^2}[/tex]
Thus the acceleration of gravity on Ganymede will be [tex]g=0.35\ \frac{m}{s^2}[/tex]
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Una persona ha de fer una força horitzontal de 400 N per arrossegar amb M.R.U. Un moble de 900 N. El moble es desplaça 5 m sobre el sòl, que és horitzontal. Calcula el treball realitzat per la força que exerceix la persona, per la força de fregament i pel pes del moble.
Answer:
Parte A
2000 J
Parte B
400 N
Parte C
900 N
Explanation:
Los parámetros dados son;
La fuerza horizontal con la que la persona arrastra los muebles = 400 N
El peso de los muebles = 900 N
La distancia que se mueve el mueble en el piso = 5 m
El tipo de movimiento del mueble = M.R.U. Movimiento de línea uniforme
Por lo tanto;
Parte A
Trabajo realizado = Fuerza × Dirección de movimiento de la fuerza
Por lo tanto;
Trabajo realizado en, W = 400 N × 5 m = 2000 J
Parte B
La fuerza horizontal aplicada para arrastrar el mueble = 400 N = La fuerza de fricción que actúa sobre el mueble
La fuerza de fricción que actúa sobre el mueble = 400 N
Parte C
El peso de los muebles se toma como dado 900 N.
Calculate the critical angle for Zircon which has a refractive index of n = 2*
Answer:
Given that refractive index of the material is √2. i.e. n = √2. Hence, critical angle for the material is 45°
Ann and Jesse’s mom is driving them to school. They are listening to music on an FM radio station. When they ride in the car with their father, they sometimes listen to AM radio. Ann wants to find out the difference between AM and FM radio signals. She finds a diagram in an online search. How do the AM and FM radio waves compare? In your answer, explain how the wavelength affects the frequency of the radio waves.
Answer:
the difference is that the carrier waves are altered. am waves amplitude (strength) is varied in the signal to get sound information. Fm waves frequency’s are varied based on the carrier signal.
Explanation:
A baseball is thrown at a 22.5° angle and an initial velocity of 65 m/s. What will be its horizontal
and vertical velocity?
Guys pls someone answer my question I have an exam and this question has 5 marks
Answer:
Horizontal component = 60.05 m/s
vertical component = 22.96 m/s
Explanation:
cosine(angle) = adjacent / hypotenuse or horizontal / angled velocity
angled velocity * cosine (angle) = horizontal velocity
65 m/s * cosine(22.5) = 60.05 m/s
sine(angle) = adjacent/ hypotenuse or vertical/ angled velocity
angled velocity * sine (angle) = vertical velocity
65m/s sine(22.5) = 22.96 m/s
Seasons occur because _____. Earth is closer to the sun during the summer Earth's orbit is an ellipse Earth's tilt causes the sun's rays to hit unevenly Earth rotates faster at the poles
Answer:
Earth's tilt causes the sun's rays to hit unevenly
Explanation:
The Earth orbit or rotate in it's axis or orbital plane. When it's rotate, it tilt from the sun rays Earth's tilt causes the sun's rays to hit the Earth unevenly Earth's axis is tilted about 23 degrees, which causes a variation or differences in the sun's latitude.causing it to vary by 23 degrees north of the equator at the start of northern summer to 23 degrees south of the equator at the start of northern winter. On Earth, that tilt is the primary reason for different seasons.
How to use electromagnetic spectrum in a sentence?
Answer:
The enemy can use his vision across a broadband of the electromagnetic spectrum . Our century has seen the entire electromagnetic spectrum opened for business.
Explanation:
pls somebody help me quick
Answer:
greater than
Explanation:
A bowling ball is bigger than a golf ball and greater than means bigger.
can anyone help me please
Answer:
Gravity.
Rocket ships.
Ball.
Basketball.
Explanation:
Gravity has to do a lot with air. It puts the planets in there area.
Rocket Ship has to do a lot with air. If i'm right, they calculate the area, weather, about the air.
A ball gets throwed in the air, which gravity comes into place.
Basketball is also a similar example to a ball.
what does the splitting of light into component colours through a prism indicate about the composition of sunlight?
[tex] \huge\longrightarrow{ \mathfrak{ \underline{ Answer }}}[/tex]
The Sunlight is actually white in colour, but it's a mixture of seven different coloured lights of different wavelengths, and when sunlight is passed through a prism, it splits into its constituent units forming a spectrum when observed on a screen. And this shows that the Sunlight is composed of seven different coloured lights .
____________________________
They are :
Red ( highest wavelength )OrangeYellowGreen Blue Indigo Voilet ( lowest wavelength )____________________________
[tex]\mathrm{ \#TeeNForeveR}[/tex]
There can be several
in an ecosystem?
A light wave travels through water (n = 1.33) at an angle of 35°. What angle
does it have when it passes from the water into the glass (n = 1.5)?
ne sin(e)
Use the equation o, = sin
M₂
n, sing )
Answer:
30.6 degrees
Explanation:
A light wave travels through water (n = 1.33) at an angle of 35°. It will have angle of 30.56° when it passes from the water into the glass (n = 1.5).
What is Refractive Index ?When a light is going from medium 1 to medium 2. The refractive index is defined as a ratio of velocity of light in medium 1 to velocity of light in medium 2. Refractive index is the factor which deals with the amount of bending of light. More refractive index means more it will bend in the medium 2. When it is 1 we can say that light has not been bent.
By Snell's law, Refractive index is given by,
sin (i) ÷ sin (r) = μ₂÷μ₁
where i is the the angle of incidence
r is the angle of refraction
μ₂ & μ₁ are refractive index of medium 2 and 1 resp.
Given,
Refractive index of water μ₁ = 1.33
Refractive index of Glass μ₂ = 1.5]
Angle of incidence i = 35°
Angle of refraction r = ?
Light is going from water to glass, hence by snell's law.
sin (i) ÷ sin (r) = μ₂÷μ₁
sin (35°) ÷ sin (r) = 1.5 ÷ 1.33
0.5735 ÷ sin (r) = 1.12781
sin (r) = 0.5735 ÷ 1.12781
r = 30.56°
Hence it passes from the water into the glass at angle of 30.56°.
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Ms Jo Jo rubbed two balloons with a piece of wool. What will happen when the balloons are brought near each other?
Suppose you are helping a friend move. The friend asks you stand in the back of a pickup truck to hold a piano because there is no rope available to tie it down. Explain why you should refuse this request.
Explanation:
This exposes the individual to danger. Remember, the Newton Law of motion which says that an object under the state of rest will remain in that state (inertia) unless when acted upon by an external force.
In this scenario, standing at the back of the pickup truck presents danger especially if the truck suddenly stops; this individual would experience an upward thrust due to inertia that may disbalance him.
Make a list of things you pull at home
Please help ASAP. Its for my sister
Answer: Chairs, Plants, Food, electronics, etc.
Explanation:
How do we calculate efficiency?
Explanation:
Efficiency is often measured as the ratio of useful output to total input, which can be expressed with the mathematical formula r=P/C, where P is the amount of useful output ("product") produced per the amount C ("cost") of resources consumed.
i dont know what the answer really is but this is what i think
Which two parts do the capillaries surround?
A. small intestines and heart
B. heart and lungs
C. alveoli and small intestines
Answer:
do we have to choose 2 answers here?
Answer:
most probably it's C
Explanation:
alveoli is surrounded by capillaries and whit that option small intestines is also there
A uniform 1.5 T magnetic field points north. If an electron moves perpendicular (90 degrees) with a speed of 2.5x10 ^7 m/s, through this field, what force (magnitude and direction) will act on it?
Answer:
i think its 470
Explanation:
The wasted energy in processing food is “lost” to ____.
mechanical energy
light energy
chemical energy
heat energy
The wasted energy in processing food is "lost" to heat energy .
What is heat energy ?The form of energy which is transferred between objects having different temperature is called heat energy.
How heat energy is lost in food processing ?In food processing heat transfer is an essential part. Baking , boiling , grilling , freezing etc . all activities are done for food processing. In all these processes heat energy is lost.Thus, we can conclude that heat energy is wasted in the food processing .
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0. The volume of a cube is 27cm3. Find the length of edge of cube.
Answer:
27 cm3
Explanation:
Water drips from a faucet at the rate of 150 drops in 120 seconds. What is the period?
Answer:
.80
Explanation:
The period of the dripping faucet is 0.8 seconds per drip cycle.
What is the rate?The rate is a measure of how much something changes over time and is typically expressed as a ratio of two quantities with different units of measurement.
Here,
The period of a dripping faucet is the time it takes for one complete drip cycle. To find the period, we need to divide the total time by the number of drip cycles.
In this case, the faucet drips 150 times in 120 seconds, so the time for one drip cycle is,
120 seconds / 150 drips = 0.8 seconds/drip
Therefore, the period of the dripping faucet is 0.8 seconds per drip cycle.
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Three resistors of equal resistance are connected in series as shown. Compared to the voltage provided by the battery, voltage across each of the resistors is .
Answer:
the voltage across each resistor is one third of the battery voltage
Explanation:
In a series circuit, the current is constant throughout the circuit, so the battery voltage is equal to the sum of the voltage drop in each part of the series circuit.
V = i (R₁ + R₂ + R₃)
in the exercise indicate that all resistance has the same value
R₀ = R₁ = R₂ = R₃
V = i 3 R₀
V = 3 V₀
V₀ = i R₀
V₀= V / 3
the voltage across each resistor is one third of the battery voltage
A traveler at Newark airport pulls his 294N suitcase with constant velocity to the check-in counter applying a force of 159N at an angle of 37 degrees with the horizontal. Calculate the Normal force, frictional force and the coefficient of friction between the suitcase and the airport floor.
Answer:
N = 198.3 N, fr = 126.98 N and μ = 0.64
Explanation:
For this exercise we must use the translational equilibrium condition.
Let's set a reference system with the x-axis horizontally and the y-axis vertical. Let's use trigonometry to decompose the applied force
cos θ = Fₓ / F
sin θ = F_y / F
Fₓ = F cos θ
F_y = F sin θ
Fₓ = 159 cos 37 = 126.98 N
F_y = 159 sin 37 = 95.69 N
Y axis
N + F_y - W = 0
N = W - F_y
N = 294 - 95.69
N = 198.3 N
X axis
Fₓ -fr = 0
Fₓ = fr
fr = 126.98 N
the expression for the friction force is
fr = μ N
μ = fr / N
μ = 126.98 / 198.3
μ = 0.64
The distance from Abdullah's house to his school is 2.4km. Abdulla takes 0.6h to go to school on his cycle but takes only 0.4h to return home. His average speed is
Answer:
The average speed can be calculated as the quotient between the distance travelled and the time needed to travel that distance.
To go to the school, he travels 2.4 km in 0.6 hours, then here the average speed is:
s = (2.4km)/(0.6 hours) = 4 km/h
To return to his home, he travels 2.4km again, this time in only 0.4 hours, then here the average speed is:
s' = (2.4 km)/(0.4 hours) = 6 km/h.
Now, if we want the total average speed (of going and returning) we have that the total distance traveled is two times the distance between his home and school, and the total time is 0.6 hours plus 0.4 hours, then the average speed is:
S = (2*2.4 km)/(0.6 hours + 0.4 hours)
S = (4.8km)/(1 h) = 4.8 km/h
A student performed an experiment in the lab and discovered that the material used has a PH of 8.54. What is true about this material
a
it is a base
b
it is an acid
c
more information needed to know if the material is acid or base
Atoms in group 18 are inert (chemicalally unreactive) because
Answer:
They have a full shell of valence electrons and are very stable .
Explanation:
Answer
atoms in group 18 are chemically inert because they are stable and do not take part in any chemical reaction.
Explanation:
An alpha particle (the nucleus of a helium atom, carrying a charge of 3.2x10 ^-19 C) moves at 5.5x10 ^7 m/s at a right angle to the magnetic field. If the particle experiences a force of 1.5x10 ^-14 N due to the magnetic field, then what is the magnitude of the magnetic field?
Answer:i think its 7.5
Explanation:
Force=k((q1q1)/r^2)
The force that one electrically charged object exerts on other charged objects can be calculated using Coulomb's law.
You can see this law here written in equation form. The q's represent the two charges, and the r the distance between
the charges. The constant kis 9109
Using this information, calculate the electric force exerted by a +2 coulomb charge on another +2 coulomb charge,
when the charges are 25 meters apart
A)1.44*10^11
B)5.76*10^11
C)8 Newton’s
D)64 Newton’s
Answer:
transferred from one object to another. Charged objects can exert forces on other charged ... Electric charge can be measured using the law for the forces between charges
The electric force exerted by the +2 C on another +2 C when at a distance of 25 m is 5.76×10⁷ N
Coulomb's law equationF = Kq₁q₂ / r²
Where
F is the force of attraction K is the electrical constant q₁ and q₂ are two point charges r is the distance apart How to determine the force Charge 1 (q₁) = 2 CCharge 2 (q₂) = 2 CElectric constant (K) = 9×10⁹ Nm²/C²Distance apart (r) = 25 mForce (F) =?F = Kq₁q₂ / r²
F = (9×10⁹ × 2 × 2) / (25)²
F = 36×10⁹ / 625
F = 5.76×10⁷ N
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Atmospheric pressure is measured by a device called
Answer:
barometer
Explanation:
Answer:
barometer
Explanation:
When assessing energy resources, it is helpful to use a measure called EROI, which is ________.
A. energy returned plus energy invested
B. energy returned minus energy invested
C. energy returned divided by energy invested
D. money invested in extraction and processing minus income from sales
Answer: C. energy returned divided by energy invested.
Explanation:
The Energy Return on Investment (EROI) simply means the ratio of the amount of usable energy that is obtained from a particular resource to the amount of the energy that is being expended in order to produce the net amount of the energy.
When assessing energy resources, it is helpful to use a measure called EROI and this is the energy returned divided by energy invested.
Therefore, the correct option is C