Answer:
d=6km
Explanation:
because multiply 2x3 is six
calculate the currrent passing acrooss a bulb if it has a resistane of 15 ohms and a potentinal difference of 6v is applied across it
V = IR
6 V = I × 15 Ohms
I = 6 V : 15 Ohms
I = 0,4 A
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why is space black if there is light coming from everywhere?
3 situations that give friction a “bad reputation”
Which form of energy provides power for a gas stove?
A. nuclear energy
B. electrical energy
C. chemical energy
D. sound energy
Answer:
The gas, which is usually a hydrocarbon fuel, provides the energy. So when the fuel burns with oxygen in the air, it creates heat energy.
Explanation:
Therefore, chemical energy in carbon is released during the combustion process. Carbon dioxide is created, because the carbon-oxygen chemical bonds in the carbon dioxide form which releases heat.
Hope this helps! Have a good day :)
Which of the following accounts for most of an atom's mass?
A. The nucleus
B. Neutrons
C. Protons
D. Electrons
C.protons
Explanation:
sana makatulong :>
B. Assuming the acceleration is still -9.81 m/s2, what is the instantaneous velocity of the
shuttlecock when it hits the ground? Show your work below.
We have that the instantaneous velocity of the shuttlecock when it hits the ground is
[tex]V_{int}=\sqrt{U^2+19.6H}[/tex]
From the question we are told
Assuming the acceleration is still -9.81 m/s2, what is the instantaneous velocity of the
shuttlecock when it hits the ground? Show your work below.
Generally the equation for acceleration is mathematically given as
[tex]a=v \frac{dv}{dx}\\\\\Therefore\\\\\2ah=v^2-u^2[/tex]
Where
acceleration is still -9.81 m/s2,
Hence,
[tex]V^2-U^2=2(-9.81)*-H[/tex]
Therefore
[tex]V_{int}=\sqrt{U^2+19.6H}[/tex]
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A soccer ball is kicked 8 m north. Then a teammate kicks it 6 m east into the goal. What is the soccer ball’s displacement from where it was first kicked?
10 m northeast
14 m northeast
100 m northeast
4 m southeast
Answer:
Displacement=10 meters
Explanation:
The displacement is the direct path from the first contact with the ball and the last spot it was seen in. The ball was kicked north 8 meters, meaning it was kicked vertically upward, and then it was kicked east 6 meters, or to the right. If we were to draw the displacement we would see that this is a right triangle. That means we can use the Pythagorean Theorem:
[tex]a^2+b^2=c^2\\8^2+6^2=c^2\\64+36=c^2\\c^2=100\\\sqrt{c} =\sqrt{100} \\c=10[/tex]
Boom.
The displacement is 10 m toward the northeast. The first option is correct.
The displacement is a vector quantity having both magnitude and direction. It is equal to the path length between the initial and final positions.
Given:
North displacement, y=8 m
East displacement, x= 6 m
The net displacement is calculated using Pythagoras' theorem as the displacements are perpendicular to each other.
The displacement is given by:
d=√(x²+y²)
d=√(8²+6²)
d=10 m
So, the displacement is 10 m.
Therefore, the displacement is 10 m toward the northeast. The first option is correct.
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Un avión vuela hacia al norte a una velocidad de 90 m/s, pero un fuerte viento sopla hacia al este a 20 m/s y desvía su rumbo. Realiza los trazos y encuentra el vector resultante.
La adicion de vectores permite encontrar la repuesta para la velocidad resultante del avión es:
Modulo de la veloicdad v= 92,2 m/s Dirección de esta veloicdad 12,5º al Norte del Este
Las magnitudes vectoriales son cantidades tienen modulo y dirección, la velocidad es una de estas magnitudes, por lo tanto deben ser sumada usando álgebra vectorial.
Un sistema de referencia es un sistema desde donde realizar las mediciones, en este caso indican que usemos un sistema de los puntos cardinales.
En el adjunto podemos ver un esquema de los vectores velocidad y su resultante, realicemos el calculo de la resultante por método analíticos
Indican que el valor de la velocidad hacia el Este es vₓ = 20 m/s y la velocidad hacia el Norte es v_y = 90 m/s, por lo tanto, para la magnitud usamos el Teorema de Pitágoras
[tex]R= \sqrt{v_x^2 + v_y^2}[/tex]
R = [tex]\sqrt{20^2 + 90^2}[/tex]
R = 92,2 m/s
Para encontrar la direccion usemos trigonometría
tan θ = [tex]\frac{v_y}{v_x}[/tex]
θ = tan⁻¹ [tex]\frac{v_y}{v_x}[/tex]
θ = tan⁻¹ 20/90
θ = 12,5º
La dirección se lee 12,5º al Norte del Este
En conclusión usando la suma de vectores podemos encontrar la repuesta para la velocidad resultante del avión es:
v= 92,2 m/s con dirección 12,5º al Norte del EsteAprender mas aquí:
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URGENT: true or false: liquids can be poured from one container to another because there are no attraction forces between atoms or molecules
Answer:
False
Explanation:
It's common sense
Answer:
True
Explanation:
Water doesnot have any definite shape.There is less attraction between particles .Hence water can move one container to anotherA silica bulb of negligible expansivity holds 0.3kg of mercury at 00 C when fall. Some steel balls are introduced and remaining space is occupied at 00 C by 250gm of mercury. On heating the bulb and its contents to 1000 C, 5gm of mercury overflow. Find the linear expansivity of the steel.[γ=1.8*10- 6 / 0 C]
Answer:
sorry I don't know the answer for this question
PLZ HELP THIS IS FOR AN UNIT
Paul road his bike from the bottom of his street to his friend’s
house at the top of the hill on his street. He knew his PE was
5,000 J and ME was 25,000 J but wanted to find out his KE.
What is Paul’s KE energy on his bike ride to his friend’s house?
Answer:
5,000+25,000=
Explanation:
You need to plus it answer it now go girl #CarryOnLearningnewton’s law of gravity says the gravitational force between two objects is proportional to:
Answer:
Mass of the object or earth
someone help me please
Answer:
2g
Explanation:
Mass is force/area
16 N is the force because N is newtons and that measures force
8m/s^2 is the acceleration
They gave it to you right in front of you
can a system have kinetic and potential energy at the same time
Answer:
yes
Explanation:
...........................
What are the characteristics of metals? *
Answer:
Good conducters of heat and electricity. High melting points. high density. malleable. Ductile.
Explanation:
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The lines ane on top of each other
40 m
Distance:
Displacement:
Explanation:
Distance = Total path length Distance = 38m + 35m + 40m Distance = 113m Displacement = Final - Initial posiⁿDisplacement = 40m - 38mDisplacement = 2mThe law of conservation of energy states that A) energy may be created, destroyed or transformed. Eliminate B) energy may be created, but only in certain types of nuclear reactions. C) energy may neither be created nor destroyed; it may only be transformed. D) the energy created by one process must be equal to that destroyed by another process.
Answer:
C.) Energy can be neither created nor destroyed.
Explanation:
There is no new energy on the earth. All energy is transformed into new sources but no energy has ever been destroyed or created.
proposed amendment on no more federal income tax
Surveyors frequently use trig functions. Suppose that you measure the angle from your position to the top of a mountain to be 2.50∘. (Figure 6) If the mountain is 1.00 km higher in elevation than your position, how far away is the mountain?
Answer:
22.9km
Explanation:
If the mountain is 1.00 km higher in elevation than your position and the angle measured from your position to the top of a mountain is 2.50∘.then you would have been 22.9 km far away from the mountain
What are trigonometric functions?A right-angled triangle's side ratios are the easiest way to express a function of an arc or angle, such as the sine, cosine, tangent, cotangent, secant, or cosecant. These functions are known as trigonometric functions.
As given in the problem you measure the angle from your position to the top of a mountain to be 2.50∘. If the mountain is 1.00 km higher in elevation than your position,
By using the tangent trigonometric function for the right triangle
tanθ = height /distance
tan 2.5° = 1000 m /distance
distance =1000 m /tan 2.5°
=22903 m
=22.9 km
Thus, the mountain is 22.9 km far away from your position
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In any sample of water, there are always some water molecules which have become ions. These ions are produced by transferring a ________ from one water molecule to another
Answer: Proton
Explanation:
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What are two projects that X decided to "kill"? Why did they abandon these projects
sorry,pls I don't understand
if a hot air balloon is seen rising above the top of a hill, what is the top of the hill called?
Answer:
If you see that a hot-air balloon is rising above the top of a hill, what is the top of the hill called?
A. delta point
B. distance system
C. coordinate system
D. reference point
It is reference pointhope it helps :)
The answer is -7m, but I don’t know how that’s the answer. Can anyone explain?
Explanation:
At first it is in 14m position but position doesn't matter in displacement, similar case for time taken.
So at first it travels 6m in positive direction.
So displacement= 6m
Then it travels 13 in opposite or negative direction.
So displacement = 6 -13 m = -7 m
Hope it helps ya
You're standing in the lobby of a huge building.
You go up 6 floors.
You stop and catch your breath.
You go down 13 floors.
Where do you end up ?
I have a backbone and my body is covered with smooth, moist skin. I cannot regulate my own body temperature. I lay eggs in the water to reproduce. What can you infer from the description?The organism is an invertebrate.The organism is a vertebrate and an amphibian.The organism is a vertebrate and a mammal.The organism is a vertebrate and a reptile.
ayudenme pls es urgente es nota del cohorte
Answer:
500m
Explanation:
because 250+250 goood
11. A roller coaster car is moving slowly up a long ramp to the very top of the roller coaster. It goes over the top and starts down a steep slope and it picks up speed rapidly as it rolls down an almost vertical slope. Four seconds later, at the bottom of the steep slope, its velocity is 28 m/s. The average acceleration during those 4 seconds was 6 m/s2 . What was the initial velocity of the roller coaster car as it started down the slope?
Answer:
a = (v2 - v1) / t
a t = v2 - v1
v1 = v2 - a t
v1 = 28 m/s - 6 m/s^2 * 4 s = 4 m/s
A 15 kg chunk of ice falls off the top of an iceberg. If the chunk of ice falls 8m to the surface of the water what is its velocity?
Answer:
When we can get the Kinetic energy from this formula KE= 1/2 M V^2and we can get the potential energy from this formula PE = M g H
we can set that the kinetic energy at the bottom of the fall equals the potential energy at the top so, KE = PE
1/2 MV^2 = M g H
1/2 V^2 = g H
when V is the velocity, g is an acceleration of gravitational force (9.8 m^2/s) and H is the height of the fall (8 m).
∴ v^2 = 2 * 9.8 * 8 = 156.8
∴ v= √156.8 = 12.5 m/s
PLEASE ANSWER ASAP! <33 When the computer you are working on uses energy it also produces waste energy. What type of energy is this waste energy?
Chemical Energy
Thermal Energy
Answer:
thermal energy
Explanation:
computer produce thermal energy later brought out by exhaust fans...
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when two charged particles interact there is an ____how do the coils impact the strength of the magnetic field
when two charge particles interact
