The constant acceleration required to increase the speed of the car from 24 mi/h to 56 mi/h in 5 seconds is 9.78 ft/s^2 (rounded to two decimal places).
To convert 24 mi/h to ft/s, we multiply by 1.46667 (since 1 mile = 5280 feet and 1 hour = 3600 seconds):
24 mi/h * 1.46667 = 35.2 ft/s
To convert 56 mi/h to ft/s, we do the same:
56 mi/h * 1.46667 = 84.1 ft/s
The change in velocity is:
84.1 ft/s - 35.2 ft/s = 48.9 ft/s
The time is given as 5 seconds.
The constant acceleration required can be found using the formula:
acceleration = change in velocity / time
acceleration = 48.9 ft/s / 5 s
acceleration = 9.78 ft/s^2
Therefore, the constant acceleration required to increase the speed of the car from 24 mi/h to 56 mi/h in 5 seconds is 9.78 ft/s^2 (rounded to two decimal places).
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Photographic astronomy was born when louis jacques mande daguerre took the first successful photo of which celestial object?.
Daguerre Jacques mande daguerre took the first successful photo of the moon.
What is Photographic astronomy?It is also known as Astrophotograph, where objects that are astronomical are captured using photograph.
The image of celestial objects, event such as sky and moon are captured using astronomical imaging.
Therefore, Daguerre took the image of the moon using his daguerreotype process.
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What are the units used to measure specific heat capacity?.
The units used to measure specific heat capacity is Joules per kilogram per Kelvin.
What is specific heat capacity?It is the amount of heat absorbed per kilogram of material when the temperature rises by 1 kelvin.
Specific heat capacity C is the Joules of energy in form of heat per kilogram per Kelvin temperature. The units represented by
C = ___ J/kg.K
Thus, the units used to measure specific heat capacity is Joules per kilogram per Kelvin.
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Which mineral has a blue color and will scratch the garnet?
Topaz
Pyrite
Magnetite
Garnet
Augite
Talc
Answer:
Topaz
Explanation:
It's harder than garnet and comes in various colors
Answer:
garnet
Explanation:
What term is defined as speed with a specific direction?
velocity
position
distance
displacement
Answer:
Velocity
Explanation:
I took the test.
If you run 12 km at an average speed of 4 km/h, how
much time does it take?
Answer:
3 hours, I think
Explanation:
Answer:
3
Explanation:
does admiralty head have mixed tides
Yes, Admiralty Head does have mixed tides.
Mixed tides are characterized by two high tides and two low tides of different heights each day. This occurs in locations where the gravitational pull of the moon and sun have a stronger influence on the tides, such as at Admiralty Head.
In general, tides are caused by the gravitational pull of the moon and sun on the Earth's oceans. The moon has a stronger influence on tides due to its closer proximity to Earth. However, the sun's gravitational pull also plays a role in the formation of tides.
At Admiralty Head, the mixed tides occur because the moon's gravitational pull is stronger on one side of the Earth than the other, causing the two high tides and two low tides to be of different heights. This creates a unique tidal pattern that is characteristic of Admiralty Head.
In conclusion, Admiralty Head does have mixed tides due to the stronger influence of the moon and sun's gravitational pull on the tides in this location.
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A boat travels 12. 0 m while it reduces its velocity from 9. 5 m/s to 5. 5 m/s. What is the magnitude of the boat’s acceleration while it travels the 12. 0 m?.
Answer:
-2.5 m/s²
EXPLAINATION: example and yeah
what is the kinetic energy, in joules, of each ejected electron when light of 258.0 nm strikes the metal surface?
When the light of 258.0 nm strikes the metal surface, each ejected electron has a kinetic energy of 4.80 eV.
To calculate the kinetic energy, we use the formula:
Kinetic Energy (KE) = hc/λ, where h is Planck's constant (6.626×10⁻³⁴ Js), c is the speed of light (2.998x10⁸ m/s) and λ is the wavelength of the light (258.0 nm).
Therefore,
KE = (6.626x10⁻³⁴ Js)(2.998x10⁸ m/s) / (2.58x10^-7 m)
= 7.69x10⁻¹⁹ J = 4.80eV, where (1eV = 1.6 x 10⁻¹⁹ J)
Thus, each ejected electron has a kinetic energy of 4.80 eV or 7.69x10⁻¹⁹ J when the light of 258.0 nm strikes the metal surface.
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Telescopes are used to
Select one:
O a measure time.
O b. measure distance.
O c. see very small objects.
Od see objects far away.
Check
Answer:
I think its option D
D: see objects far away
Answer:
Telescopes are used to
d. see objects far away.
Explanation:
Check:
a. measure time (That's a clock)
b. measure distance( Measuring Tape)
c. see very small objects.(Microscope)
d. see objects far away.(Telescope) We use a telescope to see the stars, which are far away.
What is released when rocks shift or move along a tectonic plate boundary?
(It is a science question)
Answer:
juuhu
Explanation:
jjj
Whenever energy is changed from one form to another is some energy lost as heat
Answer:
That is very true, there can never be 100% energy conversion.
Questions High-speed video can record sporting events at a frame rate of 60 frames per second (frame/s). 8 a What is the time interval between one frame and the next?
The frame interval will be 1/60th of a second.
Solution:
60f = 1sec
1f = x
x = 1/60 sec.
The 24 frames per second standard are prevalent in film and video technology. This frame rate allows a video from a series of images to be perceived as a fluid whole. The I-frame interval configures the number of fields that occur between frames in the video stream.
A timeframe is defined as a span of seconds minutes days, hours weeks months, or years in which something occurs or occurs. For example, a project with a two-week deadline indicates a timeframe. A time interval is the length of time between two specific points in time. For example, The time difference between 3:00 and 4:00 is 1 hour.
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Choose the correct words from the box to complete the definition of resistance.
current difficulty ease potential difference
The electrical resistance of a material is a measure of the ______________ of passing a ______________ through it.
Answer:
Opposition of passing a electric circuit
Find the x and y components of each of the following vectors.
hyp = 15 m/s
theta = 150°
x = ?
y = ?
Answer:
x =
\( - 15 \times \frac{ \sqrt{3} }{2} \frac{m}{s} \)
y = 7.5m/s
during the collision, how significant was friction? consider that any impulse effects from friction would be based upon the magnitude of the friction and the time the friction has to act.
During the collision, friction was significant in the sense that it had an effect on the impulse of the collision.
The magnitude of the friction and the time it had to act are important factors in determining the effect of friction on the impulse of the collision.
In general, the greater the magnitude of the friction, the greater the effect on the impulse of the collision, and the longer the time that friction has to act, the greater the effect on the impulse of the collision.
Static friction occurs when the two objects in the collision are not moving relative to each other, and the magnitude of static friction depends on the surface roughness and the normal force between the two objects. The longer static friction has to act, the greater the total impulse of the collision.
Kinetic friction occurs when the two objects in the collision are moving relative to each other, and the magnitude of kinetic friction depends on the coefficient of kinetic friction between the two objects. The longer kinetic friction has to act, the greater the total impulse of the collision.
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Im so nervous about something and I need advice!!! PPPLLLLZZZZ DO NOT REPORT!! WILL MARK BRAINLIEST!!!
Answer: depends on what your nervous about
Explanation:tell me what your nervous about
let l be a linear map from a vector space v to a vector space w . prove that the kernel (also known as the null space) of l is a subspace of v .
The kernel (null space) of a linear map L from a vector space V to a vector space W is a subspace of V.
To prove that the kernel (null space) of a linear map L from a vector space V to a vector space W is a subspace of V, we need to show three things: closure under vector addition, closure under scalar multiplication, and the presence of the zero vector.
1. Closure under vector addition:
Let u and v be vectors in the kernel of L, denoted as u, v ∈ ker(L). This means L(u) = 0 (the zero vector in W) and L(v) = 0. We want to show that u + v is also in the kernel of L.
Using the linearity of L, we have:
L(u + v) = L(u) + L(v) = 0 + 0 = 0
This shows that u + v is mapped to the zero vector by L, thus u + v is in the kernel of L.
2. Closure under scalar multiplication:
Let u be a vector in the kernel of L, denoted as u ∈ ker(L). This means L(u) = 0. We want to show that αu is also in the kernel of L for any scalar α.
Using the linearity of L, we have:
L(αu) = αL(u) = α0 = 0
This shows that αu is mapped to the zero vector by L, thus αu is in the kernel of L.
3. Presence of the zero vector:
The zero vector in V, denoted as 0v, is always in the kernel of any linear map because L(0v) = 0 in the codomain W.
Therefore, we have shown that the kernel of L satisfies the three conditions to be a subspace of V: closure under vector addition, closure under scalar multiplication, and the presence of the zero vector. Hence, the kernel of L is indeed a subspace of V.
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What is the half-life radioactive isotope?
Answer:
The half-life of a radioactive isotope is the time taken for half the unstable nuclei in a sample to decay.
In the solar system, the distribution of light and heavy elements is as follows: Group of answer choices Most of the light and heavy elements are within a few astronomical units of the center. Within a few astronomical units of the center, most of the matter consists of light elements. Beyond that, most of the matter consists of heavy elements. Most of the light and heavy elements are generally farther than a few astronomical units from the center. Within a few astronomical units of the center, most of the matter consists of heavy elements. Beyond that, most of the matter consists of light elements.
Answer:
Most of the light and heavy elements are within a few astronomical units of the center.
Explanation:
The solar system is composed of different celestial bodies that are called small or large bodies, which revolve around the sun, all of these bodies are the elements of the solar system, which in addition to having different sizes, have different densities and weights from each other . One thing these elements have in common, regardless of their weight, that most of them have astronomical units of the center, which are units of length generated from the average distance from the Earth to the Sun.
4. A dry cleaner throws a 22 kg bag of laundry onto a stationary 9.0 kg cart. The cart and the laundry bag
begin moving at 3.0 m/s to the right. Find the velocity of the laundry bag before the collision.
The velocity of the laundry bag before collision is 4.22 m/s. The collision of two objects in the absence of an external force does not affect the momentum of the two bodies.
What is Collision?Collision is the sudden, forceful coming together of two objects in direct contact with each other, such as, two billiard balls, a golf club and a ball, a hammer and a nail head, two cars when being coupled together.
In order to solve this problem, the principle of conservation of momentum can be applied. This tells us that the momentum of a system is preserved before and after a collision.
Both the movements i.e., bag and cart are positive, since they both move in the same direction. Now, the momentum of objects before the collision is equal to the momentum of objects after the collision.
This can be represented as:
m₁ × v₁ = m₂ × v₂
Here, m₁ = mass of the laundry bag = 22kg
v₁ = velocity of the laundry bag
m₂ = sum of the mass of laundry bag and cart = 9kg
v₂ = velocity of the moving cart = 3m/s
m₁ × v₁ = m₂ × v₂
22kg × v₁ = (22+9)kg × 3m/s
v₁ = (31kg × 3m/s)/ 22kg
v₁ = 93/22
v₁ = 4.22m/s.
Therefore, the velocity of the laundry bag before collision is 4.22m/s.
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How much force does a soccer goalie
experience when stopping a ball with the
mass of 0.2 kg that accelerates at the rate
of 10 meters per second^2?
Answer:
2 N
Explanation:
From the question, it's given that
Mass m = 0.2 kg
Acceleration a = 10 m/s^2
The force a soccer goalie experience when stopping a ball will be equal to the force at which the ball is being kicked. This is
F = ma
Substitute all the parameters into the formula
F = 0.2 × 10
F = 2 Newton.
Two objects are dropped from a bridge, an interval of 1. 0 s apart. Air resistance is negligible. During the time that both objects continue to fall, their separation.
A bridge drops two items at a distance of 1.0 seconds apart. There is very little air resistance. It implies that distance grows with passing time.
Describe resistance.Resistance seems to be the capacity of a chemical to prevent the movement of electrical charge. R, capitalized, serves as its emblem. The most common unit of resistance is the ohm, which is frequently expressed as a syllable and occasionally represented by that of the classical Greek letter omega.
What metrics are used to quantify resistance?Resistance is measured with a device like a multimeter, either analog or digital. Both kinds of instruments are valuable in a variety of applications since they can act a certain way as well as stream, voltage, or other factors.
let first object at t = 0,
initial velocity, u = 0,
1st ball, s1 = 1/2gt²
2nd ball s2 = 1/2 g(t - 1)²
separation between them,
s1 - s2 = 1/2 gt² - 1/2g(t - 1)²
= 1/2 g[t² - t² + 2t - 1]
= 1/2 g(2t - 1)
= separation ∝ (2t - 1)
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how much excess charge must be placed on a copper sphere 25.0 cmcm in diameter so that the potential of its center is 3.75 kvkv ?
Excess charge must be placed on a copper sphere = 4.167 x 10^(-8) C
The potential is the same within and equal to the potential outside, as if the charge were concentrated in the center, at all places. At infinity, there is no potential.
From the question, we have
kq/r = 1.5 x 1000
q = 1500r/k
= 1500*(0.25)/9x10^9 C
= 4.167 x 10^(-8) C
Electric potential :
The amount of work required to convey a unit of electric charge from a reference point to a given place in an electric field is known as the electric potential (also known as the electric field potential, potential drop, or the electrostatic potential).
Complete question:
How much excess charge must be placed on a copper sphere 25.0 cm in diameter so that the potential of its center, relative to infinity, is 3.75 kv?
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Answer the question in the attachment below
Based on the figure, the paddle will move in the direction in which force is applied
What is force?Generally, Force is a push or pull which acts on an object to cause it to move, change direction, or accelerate.
It is a vector quantity and is measured in the SI unit of newtons (N).
Given the figure and the above definition of force, we can conclude that when force is exerted on the paddle, it will be propelled or propelled in the same direction as the force.
Since the heat will cause the force to come from the right it will push the paddle clockwise
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how would the accelerations you measured in this lab change if you were still moving the same small masses from one hanger to the other for each trial, but the total mass of the system was much larger? the measured accelerations would all be:
When the total mass of the system much larger then the measured accelerations would all be: halved.
In an Atwood's Machine, weight difference between the two hanging masses determines the net force acting on the system and this accelerates the hanging masses. Heavier mass is accelerated downward whereas the lighter mass is accelerated upward.
The second law states that the acceleration of an object depends on two variables that are: the net force acting on the object and the mass. The acceleration of an object depends directly on the net force acting on the object and inversely upon the mass.
F = m*a
Where, F denotes force, m is mass and a is acceleration. If force is doubled, acceleration also gets doubled whereas if the mass is doubled then acceleration becomes half.
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Any Help??? Dued before 2:30pm and it's 9:30am by me... so please take yuh time and ans.... jus ans 1 if you want... This is for course marks.... I appreciate all efforts❤
Answer:
The methodology employed by Galileo contributed to the development of Physics by find moons of Jupiter. (I think)
sorry if it's wrong
Answer:
yes
Explanation:
A sensor uses 2. 0 x 10-4 A of current when it is operated by a 3. 0-V battery. What is the resistance of the sensor circuit?
Answer:
1500 Ω
Explanation:
The resistance of the sensor circuit can be found using Ohm's law, R = V/I, where R is resistance, V is voltage, and I is current.
R = 3.0V / 2.0 x 10^-4 A = 1500 Ω.
So the resistance of the sensor circuit is 1500 Ω.
You may have already used the Blackbody Spectrum simulation to see how the temperature of a substance affects how light is emitted. Many of the light sources you’re familiar with are incandescent light sources. They glow because they have a nonzero temperature. The hotter the source, the more radiant energy it gives off. Now, let’s explore a few different incandescent energy sources and investigate their lighting efficiency. In this simulation, the curve represents the radiation intensity and energy emitted with respect to the wavelength at a given temperature.
To begin, launch the Blackbody Spectrum simulation.
The Blackbody Spectrum simulation allows us to explore how the temperature of incandescent light sources affects their emitted light.
First, discuss the relationship between temperature, radiant energy, and lighting efficiency.
Incandescent light sources emit light due to their nonzero temperature. As the temperature of the source increases, the amount of radiant energy it gives off also increases. The Blackbody Spectrum simulation helps us visualize how the temperature of a substance affects the way light is emitted.
In the simulation, a curve represents the radiation intensity and energy emitted with respect to the wavelength at a given temperature. As the temperature rises, the curve's peak shifts towards shorter wavelengths, and the area under the curve increases. This shift indicates that the emitted light becomes more energetic and intense.
However, not all of this emitted energy is in the visible spectrum; a significant portion can be in the form of infrared radiation (heat). Incandescent light sources are not very energy-efficient, as a large portion of their energy output is wasted as heat rather than visible light. The lighting efficiency of an incandescent source is determined by the percentage of radiant energy that falls within the visible spectrum.
To summarize, the Blackbody Spectrum simulation allows us to explore how the temperature of incandescent light sources affects their emitted light. As the temperature increases, the emitted radiant energy also increases. However, a considerable amount of energy is lost as heat, making incandescent sources less energy-efficient compared to other lighting technologies.
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A turtle can go from 0 m/s to 0.02 m/s in 0.5 seconds. What is its acceleration?
Answer:
0.04 m/s2
Explanation:
Answer:
0.04 m/s2
Explanation:
1. Heat energy is also known as
energy.
?
Heat energy is also called thermal energy.