A bumblebee carries pollen from the male portion of a plant to the female portion of the same flower. Fertilization occurs. Which statement is true about this type of reproduction?
A.
It’s asexual, and the offspring are genetically identical to the parents
B.
It’s sexual, and the offspring are genetically identical to the parents.
C.
It’s asexual, and the offspring are genetically different from the parents.
D.
It’s sexual, and the offspring are genetically different from the parents.
Answers
Answer:
a
Explanation:
Related Questions
a ball rolling down an incline has its minimum speed a. at the end the incline. b. half way down the incline. c. near the top of the incline. d. impossible to predict without knowing the ball's mass e. impossible to predict without knowing the size of the ball
Answers
A ball rolling down an incline has its minimum speed near the top of the incline
What is incline?To bend and incline the head or body forward, to tilt, to attract to an opinion or action.Deviation from line, direction or course Deviation from vertical or horizontal volunteers at a special school for art-loving children. A recent example online was then-Vice President Joe Biden, who tended to offer more weapons. Common synonyms for tendencies include bias, disposition, and disposition. While these words all mean to influence someone to take an attitude or adopt something propensity is the endorsement of one of two or more actions or conclusions.To learn more about incline from the given link :
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If the actual mass density of the universe is greater than the critical density and there is no dark energy, What would happen to the universe?
Answers
If the actual mass density of the universe is greater than the critical density and there is no dark energy, the universe would undergo a specific fate known as a closed universe or a "Big Crunch."
In a closed universe, the gravitational attraction between matter would eventually overcome the expansion of the universe, causing it to contract.
As the contraction progresses, the universe would become denser and hotter, eventually leading to the collapse and ultimate destruction of all matter and energy in a cosmic singularity.
This scenario is analogous to the reverse of the Big Bang, where the universe was extremely hot and dense at its inception.
In a closed universe without dark energy, the cosmic expansion would eventually reverse, leading to a contraction phase.
This outcome is contingent on the absence of a repulsive force (dark energy) that is currently believed to be responsible for the accelerated expansion of the universe.
It is important to note that current observational evidence supports the presence of dark energy, which suggests that the universe is undergoing accelerated expansion and a different fate is anticipated.
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A horse running at a velocity of 10 m/sec[W] accelerates at a rate of 6. 25 m/sec 2 [W] for 2 sec. What is the final velocity of the horse?
Answers
The final velocity of the horse is 22.5 m/s [W]. Velocity is a vector quantity that describes the rate at which an object changes its position. It includes both magnitude (speed) and direction.
To find the final velocity of the horse, we can use the formula for calculating velocity:
v = u + at
where v is the final velocity, u is the initial velocity, a is the acceleration, and t is the time.
Given:
Initial velocity (u) = 10 m/s [W]
Acceleration (a) = 6.25 m/s^2 [W]
Time (t) = 2 sec
Substituting the given values into the formula, we can calculate the final velocity:
v = 10 m/s + (6.25 m/s^2)(2 sec)
v = 10 m/s + 12.5 m/s
v = 22.5 m/s
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the distance from new york to los angeles is about 4000 km and should take about 40 h in a car driving at 100 km/h. (a) how much shorter than 4000 km is the distance according to the car travelers? (b) how much less than 40 h do they age during the trip?
Answers
The distance according to the car travelers is 4000 km, because this is the actual distance between New York and Los Angeles.
What is distance ?Distance is a measure of the length or space between two points. It is often used to describe the separation between two physical objects, or the distance traveled by an object or person. Distance can be measured in a variety of units, including kilometers, miles, meters, and feet, depending on the context in which it is being used.
(a) The distance according to the car travelers is 4000 km, because this is the actual distance between New York and Los Angeles.
(b) The car travelers do not age less during the trip, because time passes at the same rate regardless of the speed at which a person is traveling. If a person spends 40 hours traveling from New York to Los Angeles, they will age 40 hours, regardless of the speed at which they are traveling.
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Distant galaxy is simultaneously rotating and receding from the earth. As the drawing shows, the galactic center is receding from the earth at a relative speed of uG 5 1. 6 3 106 m/s. Relative to the center, the tangential speed is vT 5 0. 4 3 106 m/s for locations A and B, which are equidistant from the center. When the frequencies of the light coming from regions A and B are measured on earth, they are not the same and each is diff erent from the emitted frequency of 6. 200 3 1014 Hz. Find the measured frequency for the
Answers
We can use the relativistic Doppler effect formula, which relates the observed frequency of light to its emitted frequency and the relative velocity between the emitter and observer:
\(f_{observed} = f_{emitted} * sqrt((1 + v/c) / (1 - v/c))\)
where:
f_observed is the observed frequency
f_emitted is the emitted frequency
v is the relative velocity between the emitter and observer
c is the speed of light
For region A,
the emitter is moving tangentially at a speed of \(vT = 0.43 *10^6\) m/s relative to the galactic center, which is receding from Earth at a speed of \(uG = 1.63 * 10^6 m/s.\)
Therefore, the relative velocity between the emitter and observer (Earth) is:
\(v = vT + uG = 2.06 *10^6 m/s\)
Plugging this into the relativistic Doppler effect formula, along with the emitted frequency of\(6.200 * 10^14 Hz\), we get:
\(f_{observed_A} = 6.200 * 10^14 Hz * sqrt((1 + 2.06 *10^6 m/s / 3 * 10^8 m/s) / (1 - 2.06 * 10^6 m/s / 3 *10^8 m/s))\)
\(= 6.225 *10^{14} Hz\)
Therefore, the observed frequency of light from region A is \(6.225 *10^{14} Hz\) .
Using the same method for region B, which is also equidistant from the galactic center, we get the same observed frequency of
\(6.225 *10^{14} Hz\)
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what is the correct definition for protein
Answers
Answer:
Proteins are organic compounds containing nitrogen that are made of long, linked chains of amino acids and are a part of all living organisms.
You drop a 5 kg ball from a height of 2 m. Just
before it reaches the ground, how much kinetic
energy does it have?
Answers
Answer:
Kinetic energy = 98 N
Explanation:
Given:
Mass = 5 kg
Height = 2 m
Find:
Kinetic energy
Computation:
K(e) = P(e)
So,
P(e) = mgh
So,
K(e) = (5)(9.8)(2)
Kinetic energy = 98 N
A researcher is trying to identify whether household substances are basic. Which approach would BEST help the researcher
investigate whether substances are basic?
A. Test each substance with red litmus paper.
B. Test each substance with blue litmus paper.
C. Observe each substance and record its color.
D. Mix each substance with a weak base and record the results.
Answers
Answer:
a
Explanation:
because red litmus paper turn blues under base or alkaline condition
PLZ HELP DUE IN 10MIN!!!!!!!!!The temperature of the water vapor (H2O) inside a pressure cooker increased from 295 K to 395 K. As
the sample is heated, the pressure of the water vapor went from 21.0 kPa to _____.
Answers
Answer:
p2=28.12KPa
Explanation:
Given data:
Initial temperature = 295 K
Final temperature= 395 K
Initial pressure = 21.0 KPa
Final pressure = ?
Solution:
According to Gay-Lussac Law,
The pressure of given amount of a gas is directly proportional to its temperature at constant volume and number of moles.
Mathematical relationship:
P₁/T₁ = P₂/T₂
Now we will put the values in formula:
21.0 KPa / 295 K = P₂/395 K
P₂ = 21.0 KPa× 395 K / 295 K
P₂ = 8295 KPa. K /295 K
P₂ = 28.12 KPa
What type of system would allow light to enter and exit, but would keep any
additional atoms out?
Answers
Answer: it’s closed
Explanation: a pex
If your mass is 63.7 kg, and you are standing 7.5 m away from a boulder witha mass of 0.750.6 kg, what is the gravitational force between you and theboulder ? Newtona taw of gravitation is gravity = amputa, The gravitationalconstant Gis 6.67 10-11 Nm/kgA. 9.82* 10-NB. 7.37* 10-NC. 552* 10-ND. 1.10*10N
Answers
The gravitational force is given as:
\(F=G\frac{m_1m_2}{r^2}\)Plugging the values given we have:
\(\begin{gathered} F=(6.67\times10^{-11})\frac{(63.7)(9750.6)}{(7.5)^2} \\ F=7.37\times10^{-7} \end{gathered}\)Therefore the answer is B.
An illustration of a triangle. Two arrows labeled A and B go down the two sides of the triangle from the top of the triangle labeled gas. An arrow labeled C goes across the bottom from the point labeled liquid to the point labeled solid. Which changes of state do the labels represent? A: B: C:
Answers
The labels A and B in the triangle's supplied picture stand for the transitions from a gas to a liquid and a gas to a solid, respectively.
Arrow A, which descends one side of the triangle from the top labelled "gas," symbolises condensation, the transformation of a gas into a liquid.
When a gas loses energy and changes into a liquid state, condensation takes place.
The transition from a gas to a solid is shown by arrow B, which also descends from the top and is labelled "gas" but is located on a different side of the triangle. Deposition is the term for this alteration. When a gas loses energy, it decomposes into a solid without changing to a liquid state, which is known as deposition.
Arrow C travels horizontally from the point designated "liquid" on the bottom of the triangle to the place designated "solid." This illustrates freezing, the transition from a liquid to a solid state. When a liquid loses energy, it freezes and changes from a liquid state to a solid state.
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______is the change from a liquid to a gas at a temperature below boiling point
Answers
Based on the data in the two-way frequency table, what is the probability that a randomly selected player won a bronze medal given that the player represented Spain? A. 13.9% B. 24.4% C. 22.4% D. 5.5% Examine the two-way frequency table below_ Gold Medals Silver Medals Bronze Medals USA 20 18 42 Spain 25 France 19 13 11 27 26'
Answers
Answer: 22.4%
Explanation: A = 49/201 0.24378109 B= 11/49 0.2244898 AxB/A I took the quiz, this is correct
The probability that a randomly selected player won a bronze medal given that the player represented Spain is b)24.4%.
To calculate this probability, we need to use conditional probability formula: P(Bronze Medal | Spain) = P(Spain and Bronze Medal) / P(Spain), where P(Spain and Bronze Medal) represents the number of players from Spain who won a bronze medal, and P(Spain) represents the total number of players who represented Spain.
From the given two-way frequency table, we can see that there were a total of 25 players who represented Spain, and 11 of them won a bronze medal. So, P(Spain and Bronze Medal) = 11/100.
Similarly, the total number of players who represented Spain is 25 + 19 + 13 = 57. So, P(Spain) = 57/100.
Now, we can substitute these values into the conditional probability formula to get: P(Bronze Medal | Spain) = (11/100) / (57/100) = 0.244 or 24.4%.
Therefore, the answer is B. 24.4%.
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Your velocity is given by v(t) = t^2 + 6 in m/sec, with t in seconds. Estimate the distance, s, traveled between t=0 and t=5. Use an overestimate with data every one second
Answers
The overestimated distance traveled between t=0 and t=5 is 158 meters.
To estimate the distance traveled, we can use the trapezoidal rule to approximate the area under the curve of the velocity function v(t). The trapezoidal rule divides the interval [0, 5] into subintervals with a width of 1 second and approximates each subinterval as a trapezoid. The formula for the trapezoidal rule is ∫[a,b] f(x) dx ≈ ∑[(i=1 to n)] [f(x_i-1) + f(x_i)] * Δx / 2, where Δx is the width of each subinterval.
Using this formula, we can calculate the overestimated distance traveled:
s ≈ [f(0) + 2f(1) + 2f(2) + 2f(3) + 2f(4) + f(5)] * Δt / 2
≈ [0 + 2(1^2 + 6) + 2(2^2 + 6) + 2(3^2 + 6) + 2(4^2 + 6) + (5^2 + 6)] * 1 / 2
≈ 158 meters.
This provides an overestimate of the distance traveled between t=0 and t=5.
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describe what living in the southeast is like for many people in both cities and outside of cities.
Answers
Living in the Southeast for many people, both in cities and outside of cities, offers a distinct blend of cultural, geographical, and climatic characteristics.
In cities such as Atlanta, Charlotte, or Miami, residents experience the bustling energy of urban life with a range of amenities, diverse culinary scenes, and thriving cultural attractions. These cities often have vibrant downtown areas, modern infrastructure, and employment opportunities across various industries. Residents can enjoy a mix of entertainment options, including music festivals, sports events, and a vibrant nightlife. However, they may also encounter challenges such as traffic congestion and higher living costs in some areas. Outside of cities, the Southeast region boasts picturesque landscapes and a more relaxed pace of life. Residents can find charming small towns, close-knit communities, and a stronger connection to nature. The region offers stunning coastlines, scenic mountains, and lush forests, providing ample opportunities for outdoor activities like hiking, fishing, and beach outings. Residents often appreciate the Southern hospitality, a slower lifestyle, and a sense of community. Across the Southeast, the climate is generally characterized by hot summers and mild winters, with some areas prone to hurricanes and tropical storms. The region also showcases its rich history, diverse traditions, and a culinary heritage famous for dishes like barbecue, seafood, and soul food.
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A m = 2.88kg mass starts from rest and slides a distance d down a frictionless θ = 34.7° incline. While sliding, it comes into contact with an unstressed spring of negligible mass, as shown in the figure below. The mass slides an additional 0.185m as it is brought momentarily to rest by compression of the spring (k = 409N/m). Calculate the initial separation d between the mass and the spring.
Answers
The initial separation d between the mass and the spring is 0.14m.
A m = 2.88kg mass starts from rest and slides a distance d down a frictionless θ = 34.7° incline. While sliding, it comes into contact with an unstressed spring of negligible mass. The mass slides an additional 0.185m as it is brought momentarily to rest by compression of the spring (k = 409N/m).
The initial separation d between the mass and the spring can be calculated using the equation:
d = (2*m*g*sin(θ)) / k
Substituting in the given values, we get:
d = (2*2.88kg*9.8m/s2*sin(34.7°)) / 409N/m
d = 0.14m
Therefore, the initial separation d between the mass and the spring is 0.14m.
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A student measures the maximum speed of a block undergoing simple harmonic oscillations of amplitude a on the end of an ideal spring. if the block is replaced by one with twice its mass but the amplitude of its oscillations remains the same, then the maximum speed of the block will
Answers
When the block is replaced by one with twice its mass but the amplitude of its oscillations remains the same, the maximum speed of the block will decrease.
The maximum speed of a block undergoing simple harmonic oscillations depends on the amplitude and mass of the block. According to the equation for simple harmonic motion, the maximum speed (v_max) of an object is given by:
v_max = ω * A
where ω represents the angular frequency and A represents the amplitude of oscillation.
In the case described, the student measures the maximum speed of a block with a certain amplitude, A. Now, if the block is replaced by one with twice its mass (2m) while keeping the amplitude of oscillation (A) the same, we need to consider the effect of mass on the angular frequency.
The angular frequency (ω) of an object undergoing simple harmonic motion is given by:
ω = √(k / m)
where k represents the spring constant and m represents the mass of the block.
Since the spring constant (k) remains constant and the mass (m) doubles, the angular frequency (ω) will decrease.
Now, let's analyze the effect on the maximum speed. As the angular frequency decreases and the amplitude (A) remains the same, the maximum speed (v_max) will also decrease.
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1. If a wagon has a mass of 8 kg and it is accelerating
at 0.5 m/s2, what is the force pulling the wagon?
Answers
Answer:
The force is equal to the mass times acceleration:
F = m•a
F = 8•0.5
F = 4 N
What is the temperature of an incandescent lamp filament
Answers
Answer:
about 5000 °F
Explanation:
A truck is driving north at 35 miles per hour and passes a car going south at 40 miles per hour. What is the speed of the car from the truck driver’s frame of reference?
Answers
Answer:
70
Explanation:
right...
Answer:
120
………………..........................................
11. In a new science fiction movie an enemy spaceship explodes. Will an observer on a nearby
moon hear the explosion, see the explosion, or both? Explain
Answers
Answer:
Sound is transmitted by longitudinal waves thru air - the observer cannot hear the explosion because no air is present between the moon and the ship
Light is transmitted by electromagnetic waves so the light from the explosion can travel between the moon and the observer.
Why do you expect the last color of the sunset to be on the red end of the visible spectrum?
Answers
We expect the last colour of the sunset to be on the red end of the visible spectrum because of the dispersion of light. Due to the particles present in the atmosphere, the light rays undergo scattering and the light of shorter wavelengths like blue gets dissipated but light rays of longer wavelengths travel long distances without getting dissipated.
Dispersion of light is the phenomenon in which the light from the sun is split into its constituent colours which are Violet, Indigo, Blue, Green, Yellow, Orange, and Red when it passes through a prism or due to the particles present in the earth's atmosphere.
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Heat is defined as
A.
the average kinetic energy of the particles that make up an object.
B.
the energy stored in an object due to the position of its particles.
C.
the sum total of all the kinetic energy of the particles within an object.
D.
the amount of thermal energy transferred from one object to another.
Reset Next Question
Answers
The kinetic energy of an object is the energy that is associated with its motion. The average kinetic energy of the particles that make up an object is a measure of the temperature of the object.
What is kinetic energy?
Kinetic energy is the energy that an object possesses due to its motion. Any object that is moving has kinetic energy. The amount of kinetic energy that an object has depends on its mass and its velocity. The equation for calculating the kinetic energy of an object is KE = 0.5 * m * v^2, where KE is the kinetic energy, m is the mass of the object, and v is the velocity (speed) of the object.
The correct answer is A: the average kinetic energy of the particles that make up an object.
The kinetic energy of an object is the energy that is associated with its motion. The average kinetic energy of the particles that make up an object is a measure of the temperature of the object. The higher the temperature of an object, the greater the average kinetic energy of its particles.
Option B describes potential energy, which is the energy stored in an object due to the position of its particles. This energy can be converted into kinetic energy if the object is allowed to move.
Option C describes thermal energy, which is the total energy of all the particles within an object, including both kinetic and potential energy.
Option D describes heat transfer, which is the transfer of thermal energy from one object to another due to a temperature difference.
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The compound cyanogen (CN)2 has covalent bonds shown in this diagram. Starting at left, an N connected by three lines, one above the other, to a C connected by one line to a C connected by three lines, one above the other, to an N. How many electrons are shared between one nitrogen atom and one carbon atom? two three six seven
Answers
Answer:
C For a 100% fact!!!! :)
Answer:
I did C on edge and got this correct sooo
Explanation:
Pls help me I need help thanks.
Answers
Answer: The Answer Is A
Explanation:
Name: ▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬ 32. Three identical resistors are connected in series to a 6 V power supply. An ammeter is used to determine the total current (1) through the 6 V power supply circuit. Which equation will give the resistance of the second resistor? a.Resistance = 6 V XI b. Resistance = 6 V ÷ I C. Resistance = 6 V÷3I d. Resistance = 6 V x 3I
Answers
The correct answer is option B.
We know that the resistors is related to V and I.
Give,
Power = 6 V
Current = I
Here, the resistors are connected in series.
From the equation of Ohm's Law,
V= IR,
We can find R,
R = V/I
When resistors are in series they are added up together as R₁ + R₂ + R₃
R₁ + R₂ + R₃ = R = 6V
R = 6V / I
Therefore, the equation used for the resistors in series will be 6V / I.
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I WILL MARK U HELP PLZ
The free body diagram for an object is projected. Calculate the net force acting on the object. If this object is 10 kg, how/where will it accelerate?
Answers
Explanation:
By the end of the section, you will be able to:
Apply problem-solving techniques to solve for quantities in more complex systems of forces
Use concepts from kinematics to solve problems using Newton’s laws of motion
Solve more complex equilibrium problems
Solve more complex acceleration problems
Apply calculus to more advanced dynamics problems
through this steps you will get the answer.thank youwhich one of these values is the lowest temperature?32°F O 270 K O 0° Ċ O 273K
Answers
The temperature which is lowest among these given values will be 270K, which means option B is the right answer.
Temperature is defined as the degree of hotness or coldness of an object. It means that the amount of energy which is stored in it to increase its degree of hotness.
In the given problem, the values are given in different systems. So to determine that which one is smaller, first we convert them into Celsius, so that all the units are same.
The relation between Fahrenheit and celcius is given as follows:
Temperature in celsius = 5/9(temperature in Fahrenheit - 32)
∴ Temperature in celsius = 5/9(32 - 32) = 0 Celsius
The relation between Kelvin and Celsius is given as :
Temperature in Celsius = Temperature in Kelvin - 273.15
∴ Temperature in Celsius = 270 - 273.15 = -3.15 Celsius
273 K will be equal to 0 Celsius using above relation.
Hence all the values are equal to zero except 270 K which is negative, hence coldest.
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What is the current flowing through the circuit shown? (V= 110 V, R, = 200, R2 = 300, R3 = 10 0) (Ohm's law: V = IR)
A. 1.8 A
B. 20 A
C. 0.05 A
D. 0.55 A
Answers
Answer:
A
Explanation:
The first thing you have to do is go back and list the resistances correctly. R1 = 20 R2 = 30 and R3 = 10.
Leave the units off if you can't make an omega.
The resistance of a series circuit (that's what this is) is r1 + r2 + r3 = 10 + 20 + 30 = 60 ohms
Now use ohms law.
R = 60 ohms
V = 110 volts.
I = V / R
I = 110/60
I = 1.833 to the nearest 1/10 = 1.8