Answer:
Juno scientific payload includes:
A gravity/radio science system (Gravity Science) A six-wavelength microwave radiometer for atmospheric sounding and composition (MWR) A vector magnetometer (MAG) Plasma and energetic particle detectors (JADE and JEDI) A radio/plasma wave experiment (Waves) An ultraviolet imager/spectrometer (UVS) An infrared imager/spectrometer (JIRAM)Explanation:
Each mission of NASA has a specific set of instruments that it uses to perform scientific experiments on the desired heavenly body. In case of Juno, the mission for Jupiter has a series of instruments that would study domains of gravitational forces, magnetic effect, particle detection, radiation detection, UV/IR imaging, and plasma experiments.
You are trying to get a sailboat to land on the shore. Do you think it would it be easier during the day or night and why?
Answer:
Day
Explanation:
Day because the tides wouldn't be as strong
Answer:night
Explanation:
high tide or whichever one is the tide closer to shore
In 1993, the gold reserves in the United States were about 8.490 × 106
kg. If all
that gold were made into a thick wire with a cross-sectional area of 1cm2
, its
total resistance would be about 6.60 × 102 Ω. If the same operation were
applied to the gold reserves of Germany, France, and Switzerland, the
resistances would be 2.40 × 102 Ω, 2.00 × 102 Ω, and 2.00 × 102 Ω,
respectively. Now consider all four resistors connected as shown in the circuit
diagram below. Find the equivalent resistance.
The equivalent resistance of the circuit is 65.98 Ω.
What is Resistor?
A resistor is an electrical component that limits or regulates the flow of electrical current in a circuit. It is designed to provide a specific amount of resistance to the flow of electrons, measured in ohms, and is typically made of a material that can resist the flow of electricity, such as carbon or metal. Resistors are used in a wide range of electronic devices and circuits, from simple LED flashers to complex computer systems.
To find the equivalent resistance of the circuit, we need to use the formula for resistors in parallel:
1/Req = 1/R1 + 1/R2 + 1/R3 + 1/R4
where Req is the equivalent resistance, and R1, R2, R3, and R4 are the resistances of the four resistors.
Substituting the given values, we get:
1/Req = 1/6.60 × 102 + 1/2.40 × 102 + 1/2.00 × 102 + 1/2.00 × 102
1/Req = 0.01515
Req = 65.98 Ω
Therefore, the equivalent resistance of the circuit is 65.98 Ω.
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Question 1
4
An object is located 90 m in front of a lens. An image is produced 40 m away from the
lens. What is the focal length of the lens?
O 15.3 m
0.025 m
O 27.7 m
O .011 m
A van accelerates from 4m/s to 20m/s in 8s. How far does it travel in this time?
Answer:
96 m
Explanation:
Given,
Initial velocity ( u ) = 4 m/s
Final velocity ( v ) = 20 m/s
Time ( t ) = 8 s
Let Acceleration be " a ".
Formula : -
a = ( v - u ) / t
a = ( 20 - 4 ) / 8
= 16 / 8
a = 2 m/s²
Let displacement be " s ".
Formula : -
s = ut + at² / 2
s = ( 4 ) ( 8 ) + ( 2 ) ( 8² ) / 2
= 32 + ( 2 ) ( 64 ) / 2
= 32 + ( 2 ) ( 32 )
= 32 + 64
s = 96 m
Therefore, it travels 96 m in time 8 s.
A balloon is rubbed against a student's hair and then touched to a
wall. The balloon sticks to the wall due to:
(a) magnetic forces between the particles of the balloon and the
particles of the wall
(b) electrostatic forces between the particles of the balloon and
the particles of the wall
(c) magnetic forces between the particles of the wall
(d) electrostatic forces between the particles of the balloon
Answer:
B. electrostatic forces between the particles of the balloon and the particles of the wall
B
If the player in the attached figure wants to kick the ball as far as possible (the greatest range R), what is the angle he should kick the ball at?
An object has a mass of 10grams and a volume of 20m3. what is the density of the object
Explanation:
density = mass/ volume
in the question the mass is given in grams so will convert it into kg,
10 g = 0.01 kg
density= 0.01/ 20 = 1 / 2000 = 0.005 kg/m^3
!!pls help!! Where does the electricity in your home come from? What types of fuels are used to generate this electricity
Answer:
Electricity comes from power generation plants (some homes have solar cells which produce most of the electricity
Older plants use coal and gas as fuels for power generation (if you see a train go thru with 100 or so cars loaded with coal, that may be from Wyoming and going to a coal fired plant)
Wind farms are becoming more plentiful and produce some portion of the electricity generated
Solar cell farms are also used to produce a small portion of electricity
Heat pumps can use geothermal sources (heat from the ground)
Wave motion of water can also be used to produce electricity
how does increasing and decreasing the temperature affect the kinetic energy of molecules?
Answer:
Amontons's law. If the temperature is increased, the average speed and kinetic energy of the gas molecules increase. ... If the gas volume is decreased, the container wall area decreases and the molecule-wall collision frequency increases, both of which increase the pressure exerted by the gas
Which energy transformation occurs in plants, allowing them to make food?
Calcula la cantidad de calor que hay que darle a 0,01 l de mercurio para que su temperatura pase de 10 ºC a 25 ºC. Datos: rho=13,6 g/cm3 ; Ar(Hg)=200,6; C=28,1 J/(mol∙K).
Respuesta:
286 J
Explicación:
Paso 1: Convertir 0,01 L de Hg a cm³
Usaremos los siguientes factores de conversion.
1 L = 1000 mL
1 mL = 1 cm³
0,01 L × 1000 mL/1 L × 1 cm³/1 mL = 10 cm³
Paso 2: Calcular la masa (m) correspondiente a 10 cm³ de Hg
La densidad de Hg es 13,6 g/cm³.
10 cm³ × 13,6 g/cm³ = 136 g
Paso 3: Calcular los moles(n) correspondientes a 136 g de Hg
La masa molar de Hg es 200,6 g/mol.
136 g × 1 mol/200,6 g = 0,678 mol
Paso 4: Calcular la cantidad de calor requerido (Q)
Usaremos la siguiente fórmula.
Q = c × n × (T₂ - T₁)
donde,
c: calor específico del Hg (28,1 J/mol.K = 28,1 J/mol.K)
T₂ y T₁: temperaturas final e inicial, respectivamente
Q = (28,1 J/mol.°C) × 0,678 mol × (25°C - 10 °C) = 286 J
Water molecules are made of slightly positively charged hydrogen atoms and slightly negatively charged oxygen
atoms. Which force keeps water molecules stuck to one another?
Answer:
Surface tension.
Explanation:
Water has this thing called surface tension, where the water, most of the time, is hard to split.
A few examples of surface tension in action:
If you spill some water, you can see that they seem to connect together as if they were magnetic.You can put around 20-30 drops of water on average on a penny. This shows that water has better surface tension than other liquids, like oil, that can the penny can only hold around 10-15.Lastly, water bugs (which are kind of like mosquitos) can actually stay on top of the water, because they do not break the surface tension of it.Hope this helps you!
A solenoid coil 10cm long has 40 turns cm-1. The current rises from zero to its maximum value of 5.0000 A and 0000.01s when the switch is closed. Find the energy stored in magnetic field if the area of cross section of solenoid be 28 centimeter square.
Answer:
Explanation:
Energy stored in a solenoid per unit volume = B₀² / (2μ₀)
B₀= μ₀ n I₀
n is no of turns per unit length .
Energy stored in a solenoid per unit volume = ( μ₀ n I₀)² / (2μ₀)
=μ₀n²I₀²/2
n = 40 turns / cm = 40 x 100 turns per meter.
I₀ = 5000A .
Putting the values
Energy stored in a solenoid per unit volume
= 4π x 10⁻⁷ x 40 x 10² x 5000² /2
= 1256 J/ m³
Volume of solenoid = cross sectional area x length
= 28 x 10⁻⁴ x .10 = 2.8 x 10⁻⁴ m³
Total energy stored = 1256 J / m³ x 2.8 x 10⁻⁴ m³
= .35 J .
a sample of alien goo has a density of 45g/cm^3 and a volume of 10cm^3. What is its mass?
Answer:
mass= 4.5 g
Explanation:
density = mass/ volume
given :
density = 45 gm/cm^3
volume = 10cm^3
now
45 = mass / 10
45/10 = mass
mass = 4.5 g
Una carga de 4 nC es transportada desde el suelo hasta la superficie de una esfera cargada con un trabajo de 7 X 10-5 j. Determinar el potencial eléctrico de la esfera
Respuesta:
2 × 10⁴ V
Explicación:
Paso 1: Información provista
Carga transportada (q): 4 nCTrabajo realizado (W): 7 × 10⁻⁵ JPaso 2: Convertir q a Coulomb
Usaremos el factor de conversión 1 C = 10⁹ nC.
4 nC × 1 C/10⁹ nC = 4 × 10⁻⁹ C
Paso 3: Calcular el potencial eléctrico (V) de la esfera
Usaremos la siguiente fórmula.
V = W/q
V = 7 × 10⁻⁵ J/4 × 10⁻⁹ C = 2 × 10⁴ V
How is an equation described if the number of atoms of each element in the products equals the number of atoms of each element in the reactants? a.not spontaneous b.balanced c.an acid-base reaction d.spontaneous
Answer: balanced
Explanation: i just took the test! :) hope this helps
In an equation, the number of atoms in products is equal to the number of atoms in reactant represents a balanced equation. Hence, option B is correct.
What are chemical reactions?It is a process in which one or more substance is converted into the other substances, is called chemical reactions. The chemical equation is given as A + B = C + D. A, B are reactants and C, D are products.
There are several types of chemical reactions like balanced reactions, spontaneous reactions, combination reactions and decomposition reactions.
Spontaneous reaction is a chemical reaction, in which the reactant is converted into product without the supply of external energy. The spontaneous reaction exothermic. The example for spontaneous reaction is combustion reaction.
Non-spontaneous reactions is a type of chemical reaction, in which the reactants can not be converted into product by its own. This reaction requires a external energy to undergo the chemical reaction. Electrolysis of water is an example of non-spontaneous reactions.
When there is exchange of one or more hydrogen ions (H⁺) between the reactant and product molecules is called acid-base reactions. This thpe of reaction is called as neutralisation reactions.
Balanced reactions is defined as the number of atoms in reactant is equal to the number of atoms in products. It is also said to be that when there is no inequalities between reactant and product.
Hence, if number of atoms in both reactant and product is equal, then it is called Balanced reactions. Thus, the correct option is B.
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Brainliest for correct answer :)
An object travelling for 20 seconds initially travels at 10ms-1 and increases its speed to 40ms-1 what is its acceleration?
Answer:
Acceleration a =-1.75 m/s²
Explanation:
Given:
Initial speed u = 24 m/s
Final speed v = 10 m/s
Time taken t = 8 sec
Find:
Acceleration a
Computation:
a = (v-u)/t
a = (10-24)/8
a = -14 / 8
Acceleration a =-1.75 m/s²
The average mass of an adult American female is 75 kilograms. What is the weight of
the average female in pounds?
Answer:
with 75kg --> 165.35 pound(lb)
Explanation:
[tex] \frac{75}{0.45359237} [/tex]
My next photo
How's it
Answer:
Good............................
Which statements about the geocentric model are false? Select the two correct answers.
A. It explains why Mars appears to move backward for a few months approximately every two years.
B. It shows the Sun at the center of the solar system.
C. It shows Earth at the center of the solar system.
D. It shows the orbits of the planets as circular.
Answer:
pretty sure its C
Explanation:
maybe C thats my opinion
What is the net force acting upon this object? *
3N : to the left
5 N : to the right
Answers to choose from:
2 N Right
BN
2 N Left
5 N Right
2 N Right
.. .. .. .. .. .. .. ..
Answer:
2 N Right
Explanation:
Net force = 5 - 3
= 2 N to the Right
Explain the effects of expansion of water on aquatic life
Answer:
The anomalous expansion of water helps preserve aquatic life during very cold weather. When temperature falls, the top layer of water in a pond contracts, becomes denser and sinks to the bottom. If the temperature falls further, the top layer expands and remains on the top till it freezes.
can someone please solve this
Answer:
The gravity is pulling the diver downwards but the rotation of the body means gravity cant pull him down as quickly
Explanation:
Which statement is best supported by the information in the chart? Wave Y is moving the fastest. Wave X is moving the fastest. All of the waves are moving at the same speed. All of the waves have the same value of wavelengths per second.
Answer:
Wave x is moving the fastest.
Explanation:
Answer:
Wave x is moving the fastest.
Explanation:
A 1220-w hair dryer is used by several members of the family for a total of 30 min per day during a 30 day month. How much elecrical energy is consumed by the hair dryer during the month give your answer in kilowatt hours
Answer:
Energy = 18.3 Kilowatt-hour
Explanation:
Given the following data;
Power = 1220 Watts
Time = 30 * 30 = 900 minutes to hours = 900/60 = 15 hours
To find the energy consumption;
Power can be defined as the energy required to do work per unit time.
Mathematically, it is given by the formula;
[tex] Power = \frac {Energy}{time} [/tex]
Making energy the subject of formula, we have;
Energy = power * time
Energy = 1220 * 15
Energy = 18300 Joules
To convert energy to Kilowatt-hour;
Energy = 18300/1000
Energy = 18.3 Kilowatt-hour
The inventor of the electric cell was:
O Coulomb
Franklin
o Gilbert
O Volta
Answer:
The inventor of the electric cell was:
Alessandro Volta (in other words, Volta)
Explanation:
Answer:
Volta
Hope this helped you!!
Brainliest plsss
Explanation:
Alessandro Volta, in full Conte Alessandro Giuseppe Antonio Anastasio Volta, (born February 18, 1745, Como, Lombardy [Italy]—died March 5, 1827, Como), Italian physicist whose invention of the electric battery provided the first source of continuous current
describe the shape of a screw
Answer:
The shape of a screw is a cylindric shape that grows in diameter at the top. Along the cylindar portion, it has horizantal ridges that circulate around the screw.
Hope this helps, brainliest pls :D
What 3 things do you need to make an electromagnet ?
Answer:
1. Battery
2. Copper wire
3. Nail or piece of metal (zinc, iron, or steel).
Answer:
magnet coppers wire and piece of metals
Does earths Roation causes gravity?
Answer:
he gravity of Earth, denoted by g, is the net acceleration that is imparted to objects due to the combined effect of gravitation (from mass distribution within Earth) and the centrifugal force (from the Earth's rotation )
Please help!
A string of length Lis clamped at each end. It CAN'T vibrate with a 1
equal to
Answer:
4L is the answer
Explanation: