Answers
Answer:
An asteroid is a minor planet of the inner Solar System. Historically, these terms have been applied to any astronomical object orbiting the Sun that did not resolve into a disc in a telescope and was not observed to have characteristics of an active comet such as a tail.
Related Questions
Use the table to answer the question.
Planet
Estimated Mass of Planet (1024 kg)
Venus
4.87
Mars
0.642
Jupiter
1.898.0
Neptune
102.0
A spacecraft flies within 500.000 km of each of these planets. Which one would gravitationally attract the spacecraft the most?
3
Venus
Mars
Jupiter
Neptune
Answers
Answer:
Jupiter is by far the largest.
G = K M / R^2 = K C M since R is given as 5E5 km
G = gravitational attraction
If 100 kg person weighed 400 N on the planet Zorg,
what is the acceleration due to gravity on Zorg?
Answers
Answer:
4 m/s²
Explanation:
Formula
Weight = Mass x Gravity due to accelerationSolving :
400 N = 100 kg x gg = 400/100g = 4 m/s²Answer:
Explanation:
accleration = Force /mass
a = 400 / 100
a = 4 m/s^2
Which nasa spacecraft is studying jupiter and its moons?.
Answers
Answer:
Juno
Explanation:
The NASA spacecraft Juno (2016) is the one that was studying Jupiter more in detail.
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The form of energy associated with the motion, position, or shape of an objects called:.
Answers
Which characteristic do all of the outer planets have in common?.
Answers
Answer:
Composition of hydrogen and helium is common in all outer planets. The inner planets are marked by features such as small size which is of rocks. On other hand, outer planets are characterized by features such as huge size due to composition of hydrogen and helium gases.
Explanation:
Answer:
They are mostly made up of hydrogen and helium.
Explanation:
Seth and Diana were asked to be the leaders for a game of tag during recess at school. Seth and Diana can ensure that all interested students get a chance to participate equally regardless of ability to run fast by having the: Tagged players sit out until the next game starts Tagged players perform a fitness activity then return to the game Two youngest students be the taggers Two fastest students be the taggers
Answers
Answer:
B
Explanation:
did this yesterday with my friend
Answer: Tagged players perform a fitness activity
Explanation: Proof of validity is shown below.
Use the passage to answer the question.
Light travels from the stars to Earth. As light travels, it moves through the empty vacuum of space. This is not something that waves do, because they need a medium to travel through, while particles do not. This shows that the particle model is best for explaining this phenomenon.
What is the reasoning in this passage?
(1 point)
Light travels from the stars to Earth.
As light travels, it moves through the empty vacuum of space.
This shows that the particle model is best for explaining this phenomenon.
This is not something that waves do because they need a medium to travel through, while particles do not.
Answers
This is not something that waves do because they need a medium to travel through, while particles do not.
How light travels in space?A light travels without any medium while on the other hand, a medium is required for sound waves to move from oe place to another. Sound is a mechanical wave that cannot travel through a vacuum.
So we can conclude that electromagnetic waves like light do not require medium for its propagation.
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Help, Please.
A, B, C, or D
Answers
Answer:
B
Explanation:
Answer:
B
Explanation:
A momentum does not stop it is conserved
C momentum is a vector quantity while energy is a scalar there is a difference
D momentum can't be formed a new it is still conserved
A truck covers a distance of 360 km in 5 hrs. Find its speed
Answers
Answer:
72 km / hour
Explanation:
Speed equals to distance over time. We are given distance equal 360 km and time in 5 hours.
Hence:
[tex]\displaystyle \large{s=\frac{360}{5}}\\\displaystyle \large{s=72}[/tex]
Therefore, the speed is 72 km / hour.
Notes
Sometimes, speed is defined as ‘v’ while velocity is defined as ‘v vector’ indicating that velocity is speed with direction and speed is just velocity with only magnitude.
__________________________________________________________
Ayo? i need help asap
Let's do some calculation! Using the information below, calculate the speed of the wave. MAKE SURE TO INCLUDE YOUR UNITS!
wavelength = 2.3 cm and frequency = 3.7 Hz
Answers
c = 3.7 * 0.023 = 0.0851 (3 sf)
How does valles marineris differ from the grand canyon?.
Answers
Explanation:
Named Valles Marineris, the grand valley extends over 3,000 kilometers long, spans as much as 600 kilometers across, and delves as much as 8 kilometers deep. By comparison, the Earth's Grand Canyon in Arizona, USA is 800 kilometers long, 30 kilometers across, and 1.8 kilometers deep.
Which of the following is not true about tectonic plates
Answers
Answer:
Scientists have identified about a dozen major and several minor tectonic plates
HELP ME PLEASEEEE ILL GIVE BRAINLY
Answers
Answer:
Labeling from top left to bottom right
A) transmission - direct light being transmitted as direct light
B) reflection - light being reflected back
C) refraction - incident light being refracted
D) diffraction - diffracting slit shown
E) absorption - light absorbed and reemitted
F) scattering - light scattered in different direction
a roller coaster of mass 2000kg is rolling down a track with an instantaneous speed of 10m/s
Answers
The given is:Mass – 2000 kg
The given is:Mass – 2000 kgInstantaneous speed – 10 meter per second
Step: 1Step: 1K.E= 1/2mv^2
Where, K.E – Kinetic energy in joules:
m – Mass in kg
v – Velocity or speed in meter per second
Step: 2From the give,
m = 2000 kg
v = 10 m/s
Equation (1) becomes,
K.E= 1/2 (2000) (10)^2
= (0.5)(2000)(100)
= 100000
K.E = 100,000 Joules
The kinetic energy is 100,000 Joules, if a roller coaster of mass 2000 kg is rolling down a track with an instantaneous speed 10 m/s.
Describe the rise and fall of a basketball using the concepts of kinetic energy and potential energy.
Answers
Answer:
in the beginning the kinetic energy is at a maximum level because the starting velocity is high comparatively.. and because of the gravitational acceleration acting on the ball in the opposite direction the kinetic energy drops proportionally because of the velocity drop. after the ball reaches it's maximum height the potential energy of the ball is high because of the height.. and again the kinetic energy starts to build because the ball again starts to fall down..
Explanation:
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What is the definition of a surface wave?
Answers
Answer:
A surface wave is a wave that travels on the crust of the earth after an earthquake; surface waves cause the destruction of an earthquake
Explanation:
A surface wave is a wave that travels on the crust of the earth after an earthquake; surface waves cause the destruction of an earthquake
Pick the right answer
Answers
:) (can you mark me brainliest?)
PLEASE SOMEONE HELP!! what is the answer? WILL MARK BRAINLIEST!!
Answers
Answer:
A.
Explanation:
The answer should be A.
i apologize if it is incorrect-
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Questions #4, 5, and 6:
Part 1 of 3: Two moles of helium gas initially at 335 K and 0.58 atm are compressed isothermally to 1.44 atm. Find the final volume of the gas. Assume that helium behaves as an ideal gas. The universal gas constant is 8.31451 J/K · mol. Answer in units of m³.
Part 2 of 3: Find the work done by the gas. Answer in units of kJ.
Part 3 of 3: Find the thermal energy transferred. Answer in units of kJ.
Answers
For two moles of helium gas initially at 335 K and 0.58 atm are compressed isothermally to 1.44 atm, The solutions are is mathematically given as
V2=0.03818 m3W=-5.065KJQ =5.065 KJWhat is the final volume of the gas?Generally, the equation for the Ideal gas law is mathematically given as
PV=nRT
Therefore
V1=2*8.31451*335/(0.58*1.01325*105)
V1=0.09479 m3
Also
V2=V1*(P1/P2)
V2 =0.09479*(0.58/1.44)
V2=0.03818 m3
b)
W=nRTLn(V2/V1)
W=2*8.31451*335*Ln(0.03818/0.09479)
W=-5.065KJ
c)
In conclusion, Heat energy
Q=-W
Q =5.065 KJ
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The emf of a battery is E = 20 V . When the
battery delivers a current of 0.2 A to a load,
the potential difference between the terminals
of the battery is 18 V volts.
Find the internal resistance of the battery.
Answer in units of Ω.
Answers
Answer:
10 ohms
Explanation:
V = IR
2 v is the drop in the battery
2 = .2 R
R = 10 ohms
You travel 200 kilometers in the first two hours. During the next hour, you stop for lunch and only travel 25 kilometers. What was your average speed?
Answers
Answer:
75 km/hour
Explanation:
Total distance travelled= 200+25 = 225 km
Total time= 2+1 hours = 3 hours
Average speed= Total Distance/Total time = 225/3 = 75 km/hr
Describe mathematically how two distinct waves each with wave functions like the one in eq. 2 – call them y1 and y2 – will combine. We call this interaction the principle of superposition.
Answers
The resultant wave of the different wave functions is = y1 + y2
Calculation of the resultant wave functionsThe principle of superposition states that two waves moving through the same medium, the resultant value of the wave function is the sum of the different wave functions.
Waves superimpose by adding their disturbances,each disturbance corresponds to a force, and all the forces add.
Therefore, the resultant wave of the different wave functions is the addition of both wave functions which is = y1 + y2.
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Which changes in an electric motor will make the motor stronger? select 3 options. using a stronger permanent magnet using a weaker permanent magnet increasing current in the electromagnet decreasing current in the electromagnet increasing the distance between the magnets decreasing the distance between the magnets
Answers
1. Using Strong Permanent. 2. increasing the current. 3. Decreasing the space between Magnets
Explanation:
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The changes that make the motor stronger will be using strong permanent magnets, increasing the current, and decreasing the space between magnets.
What is an electric motor?An electric motor is a mechanism that turns electricity into mechanical energy.
The interaction between the motor's magnetic field and electric current in a wire winding generates force in the form of torque imparted to the motor's shaft in most electric motors.
An electric generator is physically equivalent to an electric motor, but it converts mechanical energy into electrical energy using a reversed flow of power.
When string magnets are used, a strong flux is produced, and the motor becomes more powerful. Internal flux has a significant impact on coil strength.
Increasing current results in greater power. In the same way, shortening the distance between magnets makes the motor stronger by increasing flux and torque.]
Hence the changes that make the motor stronger will be using strong permanent magnets, increasing the current, and decreasing the space between magnets.
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how did the intensity of a sound wave change if the distance from the source is decreased by a factor of 2?
Answers
Answer:
If it is increased by a factor of 2 then it would be decreased by a factor of 4.
Explanation:
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a huge rock out of skateboard gets so hard during the day they can't sit on it from ______.
1) convection
2) conduction
3) radiation
Answers
Answer:
2 conduction
Explanation:
Answer:
2) conduction
Explanation:
They can't sit on it due to the heat that is felt as soon as a person comes in contact with itThis is commonly known as "conduction"Which graph shows an object with constant acceleration?
A graph titled Velocity versus Time shows time in seconds on the x axis, numbered 0 to 10, and velocity in meters per second on the y axis, numbered 0 to 50. A line starts at the origin and goes to (4, 40), then a line from (4, 40) to (9, 40) and a line from (9, 40) to (10, 0).
A graph titled Velocity versus Time shows time in seconds on the x axis, numbered 0 to 5, and velocity in meters per second on the y axis, numbered 0 to 10. A line starts at (0, 10) and ends at (5, 0).
A graph titled Velocity versus Time shows time in seconds on the x axis, numbered 0 to 5, velocity in meters per second on the y axis, numbered 0 to 35. A curved line starts at the origin and arcs up to (4.3, 35).
Answers
The graph in the question that represents an object with constant acceleration is : Graph A
Description of constant accelerationAcceleration is the change in velocity with time. For graph A the acceleration remained constant as the velocity of the object did not change with the change in time. As the time changes from 4 to 9 seconds the velocity of the object remained at 40 before decelerating to 0. This shows that the acceleration of the object was constant.
Hence we can conclude that The graph that shows an object with constant acceleration is : Graph A
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Adaptations are unique traits developed by organisms to help them survive, thrive, and reproduce in their particular environment. Adaptations may be structural or behavioral. Which of the following is an example of a behavioral adaptation?
A) shallow roots of cacti
B) long neck of a giraffe
C) migration of birds
D) webbed feet of ducks
Answers
Answer:
its c - the migration of birds
Explanation:
i did it on study island
What conditions are necessary for total internal reflection to occur?.
Answers
Answer: When a ray of light travels from an optically denser medium to an optically rarer medium and is incident at an angle greater than the critical angle for the two media, the ray totally reflects back into the medium, obeying the laws of reflection. This phenomenon is known as the total internal reflection.
Explanation:
For added effect, he takes the monitor up to the roof which is about 84 m above the ground. What is the velocity of the monitor as it hits the ground?
Answers
The velocity of the monitor as it hits the ground is equal to 40.58 m/s.
Given the following data:
Height = 84 meters.Scientific data:
Acceleration due to gravity (g) = [tex]9.8 m/s^2.[/tex]How to calculate the velocity.In accordance with the law of conservation of energy, the potential energy possessed by the monitor at the roof top would be equal to the kinetic energy possessed by the monitor at the ground:
[tex]PE=KE\\\\mgh=\frac{1}{2}mv^2\\\\2mgh=mv^2\\\\V=\sqrt{2gh}\\\\V=\sqrt{2 \times 9.8 \times 84}\\\\V=\sqrt{1646.4}[/tex]
V = 40.58 m/s.
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A block of mass 3. 0 kg is hung from a spring, causing it to stretch 12 cm at equilibrium, as shown above. The 3. 0 kg block is then replaced by a 4. 0 kg block, and the new block is released from the position shown above, at which the spring is unstretched. How far will the 4. 0 kg block fall before its direction is reversed?.
Answers
Based on the length of the spring and the mass of the block, the distance the 4.0 kg block can fall before a reversal in direction is 32 cm.
How do we arrive at 32cm?Because energy is conserved, the distance the block can drop can be found as:
Mass x gravity x distance = (1 / 2) x spring constant x distance ²
Spring constant:
= (Mass x gravity) / distance
= (3 x 9.8) / 12
= 2.45 cm
Distance is:
Mass x gravity x distance = (1 / 2) x spring constant x distance ²
distance = (2 x Mass x gravity) / spring constant
= (2 x 4 x 9.8) / 2.45
= 32 cm
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