Answer: The power station converts stored chemical energy in the fuel to kinetic energy in the raised temperature of the steam that pushed a turbine to rotate the generator that makes electricity.
So chemical to thermal (kinetic) to thermal to kinetic to electrical. Then mostly to heat or movement.
Loads of losses, thermal, mostly.
Explanation: hopes this helps
In all of the power plants, electricity is generated by rotating turbine inside a magnetic field. That is why, power plant transfers mechanical energy into electric energy. That is why, it doesn’t make electricity.
What is power plants?
An industrial facility for the production of electricity is referred to as a power plant. In most cases, power plants are wired into a grid.
A revolving device called a generator, which transforms mechanical power into three-phase electric power, is found in many power plants. An electric current is produced by the movement of a conductor in relation to a magnetic field.
The majority of power plants throughout the world produce electricity by burning fossil fuels including coal, oil, and natural gas. Nuclear energy and the usage of renewable energy sources including solar, wind, geothermal, and hydroelectricity are examples of low-carbon power sources.
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What did Hubble discover about the universe?
A. That it is expanding.
B. None of these
C. That it is smaller than previously thought.
D. That it is shrinking.
Answer:
A. That it is expanding.
A foul ball is hit straight up into the air with a speed of 25 m/s.
how long is it in the air?
Answer:
31.25 m
Explanation:
The foul ball experiences upward linear motion thus:
initial velocity(u) - 25m/s
final velocity(v) - 0m/s
velocity due to gravity - -10m/s2 (since the ball moves upwards)
Hence:
v2=u2+2(gs)
0=625+2(-10*s)
0=625-20s
-625=-20s
s=31.25m
light frequency of 3.6 x 10^14 hz what is the wavelength
8.3×10 to the power minus 7
Explanation:
lambda equals velocity over frequency.
What is specific heat capacity??
Specific heat capacity is the unit mass of a substance is defined as the amount of heat absorbed (kg) (J), when its temperature rises 1 K (or 1 ° C), and its units J / ( kg K) or J / happen. (Kg ° C).Hope it helps u
Stay safe, stay healthy and blessed.Have a good day !Thank you
#Jennifer
Answer:
The specific heat capacity is defined as the quantity of heat (J) absorbed per unit mass (kg) of the material when its temperature increases 1 K (or 1 °C), and its units are J/(kg K) or J/(kg °C).
Two satellites some distance apart exert a gravitational force on each other of 20 newtons (N). Each satellite has a mass of 300 kilograms (kg). If the satellites remained tho same
distance apart but each had a mass of 600 kg, what would the force of gravity between them be?
•5N
•10N
•40N
•80N
If the masses of the objects are both doubled to 600 kg each, the force between them will be 40N.
Newton's law of Universal GravitationThe Newton's law of universal gravitation states that, force of gravity between two objects is directly proportional to the product of the masses and inversely proportional to the square of the distance between them.
As such;
F = Km1m2/r^2
If the masses of the objects are doubled but the distance of separation remains the same, it follows that the force between the masses will also be doubled. Hence, if the masses of the objects are both doubled to 600 kg each, the force between them will be 40N.
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An object is being shot from a horizontal ground at an incline angle of 30 degree with respect to the ground at a speed of 52 m/s. Find the duration in seconds that the object is above the height of 14 m. Give your answer with one decimal place.
When an object is thrown at an angle from the horizontal, the path followed by the body is called the projectile motion. The duration in seconds that the object is above the height of 14 m is 4.698 s.
What is speed?Speed is the time rate at which velocity is changing.
Vertical speed component is
V₀y = 52sin 30°= 26 m/s
Given is the height h=14m
Using second equation of motion,
S=ut+ 1/2 at²
Substituting the values, we get
14 = 26t - 4.9t²
4.9t² - 26t +14 =0
Solving the quadratic equation, we get the time as
taking the positive sign, t =4.698 s
taking the negative sign , t = 0.6082 s
Thus, the duration in seconds that the object is above the height of 14 m is 4.698s.
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Consider an object of mass 2kg at rest on a ramp with βs=0.5 and βk=0.4.
If the ramp angle is 60 degrees, how far can the object travel in the first 1 seconds?
The distance traveled by the object in the first 1 second is determined as 0.98 m.
Distance traveled by the objectThe distance traveled by the object is calculated as follows;
F - μkmgcosθ = ma
0 - μkmgcosθ = ma
- μkgcosθ = a
-(0.4)(9.8)cos60 = a
- 1.96 m/s² = a
s = ut + ¹/₂at²
s = 0(1) + ¹/₂(-1.96)(1)²
s = -0.98 m
|s| = 0.98 m
Thus, the distance traveled by the object in the first 1 second is determined as 0.98 m.
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A sound travelling through some unknown medium has a wavelength of 0.05m and a frequency of 118,820 Hz. What is the speed of the wave?
a. 5941 m/s
b. 1482 m/s
c. 343 m/s
Answer:
5941m/s
Explanation:
velocity equals frequency x lamdha
Why do the other bulbs go dark when one bulb is removed in the series circuit but the other bulbs do not go dark when one bulb is removed in the parallel circuit?
Answer:
I think this
One bulb burning out in a series circuit breaks the circuit. In parallel circuits, each light has its own circuit, so all but one light could be burned out, and the last one will still function.
A book weighing 1.2 kg stands on the table. We place our hand on the book with a force of 15.3 N. The reaction force of the table base to the book is: a) 12 N b) 15 N c) 22 N d) 27 N e) 33 N
Answer:
27 N
Explanation:
It will be the force of the book 1.2 kg * 9.81 m/s^2 PLUS the force of your hand 15.3 N ..... it will be in the OPPOSITE direction
1.2 * 9.81 + 15.3 = ~27.1 N
Which of these objects must have the greatest force acting on it? pls help fast
A. A baseball being dropped to the ground.
B. A baseball being tossed 1 meter into the air.
C. A paper airplane being tossed across the room.
D. A bowling ball being tossed 1 meter into the air.
Let's look at Newton's second law
F=maForce is directly proportional towards mass
If mass is more force will be more.
Between baseball and bowling ball Bowling ball has higher mass
So it would expert most force
Option D
When astronomers look at stars outside of our galaxy, they have noticed that the color of the stars appears to be shifted slightly to the red end of the visible spectrum; this means that the wavelength of the light coming from those distant stars is longer than expected. If this red shift is assumed to be caused by the relative motion of the stars, what does that tell us about their movement?
They are moving toward the Earth.
They are moving away from the Earth.
They are not moving relative to the Earth.
Both the Earth and the star are stationary.
Answer:
moving away
Explanation:
They are moving AWAY from earth making the wavelengths longer than what was emitted....this is called 'Red Shift'.... longer waves is a shift toward the RED end of the spectrum .. (ROY G BIV)
How are u? I hope u doing well ااااااااااااااااا
Answer:
Hey
I'm alright and you
I also hope you're doing well
HELP ASAP PLS!!!
when you see a full moon, what type of tides do you expect there to be?
Answer:
Spring High Tide
When the moon is full or new, the gravitational pull of the moon and sun are combined. At these times, the high tides are very high and the low tides are very low.
if i wanted the laser to refract less as it exits the prism, i would
If you wanted the laser to refract less as it exits the prism, you should increase the wavelength of the light.
What is refraction?Refraction can be defined as a phenomenon which describes a change (bend) in the path taken by light when it's at surfaces between different transparent materials.
According to the model of light wave, the refraction of light is inversely proportional to its wave. Thus, you should increase the wavelength of light, if you want the laser to refract less as it exits the prism.
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An increase in voltage results in
If the current is held constant, an increase in voltage will result in an increase in resistance.
hope it helps...!!!
calculate how much charge passes through the LED in 1 hour if the current flowing in the circuit below is 350mA
Given the the current flowing in the circuit and the elapsed time, the charge that passes through the LED is 1260 Coulombs.
What is Current?Current is simply the rate of flow of charged particles i.e electrons caused by EMF or voltage.
If a charge passes through the cross-section of a conductor in a given time, the current I is expressed as;
I = Q/t
Where Q is the charge and t is time elapsed.
Given the data in the question;
Time elapsed t = 1hr = 3600sCurrent I = 350mA = 0.35ACharge Q = ?We substitute our given values into the expression above to determine the charge.
I = Q/t
Q = I × t
Q = 0.35A × 3600s
Q = 1260C
Therefore, given the the current flowing in the circuit and the elapsed time, the charge that passes through the LED is 1260 Coulombs.
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how to calculate the total input energy transfer
Answer:
i dont know
Explanation:
sorry i cant answer this question
A 1200 kg car traveling at an unknown velocity has a rear-end collision with a 1600 kg car parked in the road. The cars lock bumpers and skid off together at 3.0 m/s. What was the velocity of the 1200 kg car right before the collision?
Answer:
Gotta be it
Explanation:
m1*v1 = m2*v2
1200*v1 = 1600*3
1200*v1 = 4800
v1 = 4800 / 1200
v1 = 4.0 m/s
Which type of evidence was used to tie Ted Bundy to the murder of Lisa Levy?
Explanation:
identified by one of the Chi Omega survivors as the assailant, and hair and fiber evidence tied him to the Leach murder. His trial for the Florida attacks in June 1979 was the first-ever nationally televised trial in the United States.
A diverging lens with f = -33.5 cm is placed 14 cm behind converging lens with f = 20cm. where will an object at infinity be focused?
Answer:
Explanation:
Focal length of diverging lens,
fd= -33.5 cm
focal length of converging lens,
fc = 20 cm
Now let s is object distance and s' is image distance.
Now using lens formula for conversing lens
\frac1{f_c}=\frac1{s}+\frac1{s'}
f
c
1
=
s
1
+
s
′
1
Putting all values(object is at s=infinity)
Then image distance
\frac1{s'}= \frac1{f_c}- \frac1{s}
s
′
1
=
f
c
1
−
s
1
=\frac1{20}- \frac1{\infin}=
20
1
−
∞
1
s'=20cms
′
=20cm
Now using lens formula for diversing lens
s''=14-20=-6cm
Using lens formula
\frac{1}{-33.5} = \frac{1}{-6 }+ \frac{1}{s''' }\\s'''=\frac{(6)\times(-33.5)}{(-33.5+6)}\\s'''=\frac{(-201) }{(-27.5) }
−33.5
1
=
−6
1
+
s
′′′
1
s
′′′
=
(−33.5+6)
(6)×(−33.5)
s
′′′
=
(−27.5)
(−201)
image distance for diverging lens
s''' = 7.3 cm (behind the diverging lens)
A diverging lens with f = -33.5 cm is placed 14 cm behind converging lens with f = 20cm. image distance for diverging lens, s''' = 7.3 cm (behind the diverging lens)
what are the type of lens ?When a lens in the path of a beam of parallel rays causes the rays to diverge after refraction, it is referred to as a diverging lens.
It always creates a virtual image and has a thinner core than its boundaries.
Concave lenses(diverging lenses) function as diverging lenses because they cause light rays to diverge as they pass through them.
Therefore, when used with air as the operating medium, a concave lens can be thought of as a diverging lens.
The concave lens has several applications, including in telescopes, cameras, lasers, glasses, binoculars, and other optical devices.
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• Kelley and Raul are moving a 95 kg desk to the right. If the coefficient of friction between the desk and the floor is 0.29, what is the force of friction that will oppose the motion of the desk?
f = μk.N (N = m.g)
f = 0.29 x 95 x 10
f = 275.5 N
what is the speed of light in air ?
[tex] \\ [/tex]
ty! ~
Answer:
the speed of light in air is about 299,000,000 and 3×10⁸ m/s
What controls how fast an object falls?
Answer:
gravity
Explanation:
as the earth rotates on an axis, it causes an effect known as centripetal acceleration with is an acceleration that pulls objects towards the center of the object. in planets, we call this Gravity
Answer:
See below
Explanation:
The initial downward velocity, the acceleration of gravity and air friction all play a part
Jupiter's moon Io has active volcanoes (in fact, it is the most volcanically active body in the solar system) that eject material as high as 500 km (or even higher) above the surface. Io has a mass of 8.93×1022kg and a radius of 1821 km.
How high would this material go on earth if it were ejected with the same speed as on Io? ( RE =6370km , mE=5.96×1024kg )
Include variations in gravitational acceleration
The material will go as high as 91.54 km would this material go on earth if it were ejected with the same speed as on Io.
What is will be the height of the material on earth?The height of the material on earth will be derived from the given values as follows:
Gravitational constant, G = 6.67 × 10⁻¹¹ m³/kgs²radius of Io, r = 1821000 mmass of Io, m = 8.93 × 10²² kgHeight of materials, H = 500000 macceleration due to gravity on Earth, g = 9.81 m/s²Tue acceleration due to gravity on Io, go is given as:
[tex]g_o = \frac{GM}{r^{2}}[/tex]
Substituting the values:
[tex]g_o= \frac{6.67×10^{-11}×8.93×10^{22}}{1821000^{2}}[/tex]
[tex]g_o = 1.796 m/s^{2}[/tex]
Height on earth, He and Height on Jupiter H is given as follows:
[tex]H_e = \frac{v^{2}}{2g}[/tex]
[tex]H = \frac{v^{2}}{2g_o}[/tex]
Taking ratio of the two heights and solving for height on earth, He:
[tex]H_e = H × \frac{g_o}{g}[/tex]
Substituting the values:
[tex]H_e = 500000 × \frac{1.796}{9.81} = 91539.245 m[/tex]
Therefore, the material will go as high as 91.54 km would this material go on earth if it were ejected with the same speed as on Io.
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Need help asap!!science foundations
All nuclear reactions generate radioactive waste. Which answer correctly lists
nuclear reactions beginning with the cleanest reaction?
A. Radioactive decay, nuclear fusion, nuclear fission
B. Nuclear fission, nuclear fusion, radioactive decay
C. Nuclear fusion, nuclear fission, radioactive decay
D. Radioactive decay, nuclear fission, nuclear fusion
If the ball reaches the ground in 8 seconds and the velocity of the ball before it hits the ground is 78.4. What is its acceleration?
also please explain how if you can
Answer:
9.8 m / s^2
Explanation:
Assuming free fall====> there is no initial downward/upward velocity
Assuming metric units 78.4 m/s
vf = a t
78.4 = a (8) shows a = 9.8 m/s^2
A planes average speed between two cities is 600 km/h. If the trip takes 2.5 hours ,how far does the plane fly?
22.61 . (a) An insulating sphere with radius has a uniform
charge density P .The sphere is not centered at the origin but at
r->=b->.Show that the electric field inside the sphere is given by
E-> = P(r-> - b->)/3Eo
Answer:
f
Explanation: