Answer:
a table
Explanation:
In february a little town received snow on a daily basis. The first day they had 10 inches, 3 inches the second, 7 inches the 3rd, and 4 inches on the fourth day. What was the average snowfall?
Answer:
The average is 6
Explanation:
To find the average, you have to first add all the numbers. After you add all the numbers up, then you divide by how many numbers there are. This one had 4 numbers so you divide by 4
The average snowfall of the four days was 6 inches.
What is snow?
When atmospheric water vapor freeze into small ice crystals and falling in small white flakes or lying on the ground as a white layer, it is called snow.
In the question it is said that,
Amount of snow received by the town on first day = 10 inches.
Amount of snow received by the town on second day = 3 inches.
Amount of snow received by the town on third day = 7 inches.
Amount of snow received by the town on fourth day = 4 inches.
Total amount of snow received by the town on these four days = ( 10 + 3+ 7 + 4) inches.
=24 inches.
Hence, average amount of snow received by the town on these four days = total amount of snow received ÷ 4
= ( 24 ÷ 4) inches.
= 6 inches.
Hence, the average snow received by the little town was 6 inches on those days.
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A 5000 kg truck and a 1000 kg car are traveling at constant speeds when they collide. What is true about the forces and accelerations on each?
Force is the physical action that can give acceleration to a body upon which it is applied
The true statements about the forces and accelerations of each when they collide are;
The force acting on the truck is equals the reactive force of the car The acceleration of the car is five times the acceleration of the truckThe reasons why the above statements are true are given as follows:
Known:
Mass of the truck, m₁ = 5,000 kg
Mass of the car, m₂ = 1,000 kg
Velocity of the truck = [tex]v_t[/tex]
Velocity of the car = [tex]v_c[/tex]
According to Newton's third law of motion, action and reaction are equal and opposite
The force applied by the truck, F = The reactive force by the carForce, F = Mass, m × Acceleration, a
Let a₁ represent the acceleration of the truck and let a₂ represent the acceleration of the car, we have;
F = 5,000 × a₁ = 1,000 × a₂
[tex]a_2 = \dfrac{5,000 \ kg}{1,000 \ kg} \times a_1 = 5 \cdot a_1[/tex]
Therefore;
The acceleration (rate of change of velocity) of the car, a₂ due to the collision is five times the acceleration of the truck due to the collisionLearn more about the about force and acceleration here:
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A boat sends a sound to the bottom of the ocean and it takes 3 seconds to return to the boat. How deep in the ocean? The speed of sound on water is 1500m/s.
Answer:
2,250 meters deep
Explanation:
If the time taken for the the signal to return to the boat means that it took 3 seconds for the signal to travel to and from the floor the same distance. That means it took 1.5 seconds to travel to the floor at a speed of 1500m/s means that it is 1500 multiplied by 1.5 to a distance of 2,250m. (Derived from the speed = distance divided by time formula to distance = speed multipled by time)
Describe the position and velocity of the object based on the motion map.
Answer:
velocity is 1 m/s
Explanation:
Answer:
Include: The object starts away from the origin.
The object moves toward the origin at a constant velocity.
The object stops for one second.
The object moves away from the origin at a greater constant velocity.
Explanation:
Which of the following is NOT an acceleration?
O Riding your bike faster when you head down a hill
Slowing your bike so you can make it up a hill
O Coming to a stop at an intersection
Riding down the street at a constant velocity
Answer:
coming to stop at intersecton
Explanation do u not know what acceleration is?
If a wave has a period of 20 s, what is its
frequency?
Answer:
f = 1/T
= 1/20
= 0.05 Hz
Explanation:
Frequency of wave is 0.05 Hz
Given thatWave period = 20 seconds
Find:Frequency of wave
Computation;Frequency of wave = 1 / Wave period
Frequency of wave = 1 / 20
Frequency of wave = 0.05 Hz
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Johnny often hits his brother even though his brother does not do anything to the tag and eyes assume Johnny aggression is more like most likely due to a combination of
Which of these chemical properties of a sheet of paper
Answer:
Paper is created mainly from organic compounds such as oxygen, carbon, hydrogen. Paper has non-organic compounds also for improving the properties.
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First to answer.
when maggie applies the brake of her car, the car slows
Spring A has a spring constant of 5 N/m and spring B has a force constant of 9 N/m. A weight of 2 kg is applied to spring A and a weight of 10 kg is applied to spring B. Which of the following is true for the final displacements of springs A and B?
a) Spring B has a larger displacement than spring A. b) Spring A has a larger displacement than spring B. c) Spring A and spring B have the same displacement.
Answer: Option A.
Spring B has a larger displacement that spring A.
Explanation:
Spring B has a larger displacement that spring A .
By using Hooke's law.
F=-Kx
Where F is force, K is spring constant and x is displacement.
For spring a
Weight / force is 2 kg
Spring constant (K) is 5/nm
Therefore,
F=-Kx
2=-5x
X=2/-5
X= -0.4m
For spring B.
Weight is 10Kg
Spring constant is 9N/m
F=-Kx
10=-9x
X=-10/9
=-1.1m
Therefore Spring B have larger displacement than spring A.
In Hooke's law, negative sign that is present on the spring's force indicate that the force exerted by the spring opposes the spring's displacement.
a nucleus with four protons have a total positive charge of what
Answer:
The name of element is Beryllium.
Explanation:
Given that,
A nucleus with four protons have a total positive charge.
Suppose, what is the name of element ?
We know that,
The name of element which have 4 positive charge is Beryllium.
Beryllium is a element which is symbol is Be.
Atomic number of beryllium is 4 and atomic mass is 9.
The number of neutrons are 5.
Hence, The name of element is Beryllium.
Which statement describes an endothermic reaction? A. Energy is released by the reaction. B. Energy is absorbed by the reaction. C. No energy is transfered by the reaction. D. Energy is created in the reaction.
Answer:It's B energy is absorbed by the reaction,hope this helps
Explanation:
Any reaction in which energy is absorbed is said to be endothermic. Hence, option B is correct, but the rest are not correct.
What is an Endothermic Reaction?In every chemical process, energy is involved. When new bonds form in products, energy is produced. Reactant bonds are broken using energy. Exothermic reactions are those that produce more energy when new bonds form in the products than is needed to break existing bonds in the reactants.
In contrast, endothermic reactions are the opposite. Endothermic reactions release more energy when new bonds form in the products than is required to break bonds in the reactants.
During the reaction, a large amount of energy is absorbed.
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whats an astral projection
Answer:Esotericism
Explanation:
it’s something that’s in intentional out of body experience
Answer:
Astral projection is a term used in esotericism to describe an intentional out-of-body experience that assumes the existence of a soul or consciousness called an "astral body" that is separate from the physical body and capable of travelling outside it throughout the universe.
Explanation:
an antonym of lithium (Li) forms and an iconic bond with atom of chlorine CI to form lithium chloride. how are the valence electrons of these atoms rearranged to form this Bond ?
Li , which is located in group 1 of the periodic table, has one valence electron.
Chlorine, which is in group 17 of the periodic table, has seven valence electrons.
When the two atoms bond, lithium will lose one electron and form the lithium cation, Li + .
Since it loses one electron 7-1 = 6, there will be 6 valence electrons.
Help!!
Earth has a radius R = 1.5 x 1011 m, T= 365.3 days, and m= 5.97 x 1024 kg. Calculate the
speed of Earth around the sun, assuming a circular orbit.
Answer:
[tex]29861.23\ \text{m/s}[/tex]
Explanation:
[tex]R=\text{Radius of Earth's orbit}=1.5\times10^{11}\ \text{m}[/tex]
[tex]T=\text{Time taken by the Earth to complete the orbit}=365.3\ \text{days}[/tex]
Assuming the orbit is of circular shape the distance the Earth has to travel is the circumference
[tex]C=2\pi R\\\Rightarrow C=2\pi\times 1.5\times10^{11}\\\Rightarrow C=942477796076.938\ \text{m}[/tex]
Velocity is given by
[tex]v=\dfrac{C}{T}\\\Rightarrow v=\dfrac{942477796076.938}{365.3\times 24\times 60\times 60}\\\Rightarrow v=29861.23\ \text{m/s}[/tex]
The speed of the Earth around the Sun is [tex]29861.23\ \text{m/s}[/tex]
The cat quickly hopped from the floor onto the couch.
is an example of what? position, motion, speed, velocity or acceleration
Answer: Motion
Explanation:
Calculate the kinetic energy of a truck that has a mass of 2900 kg and is moving at 55 m/s.
Answer:
2900 divided by 55 is 52.727272727272727
What micro wave used for?
Answer:
Microwaves are widely used in modern technology, for example in point-to-point communication links, wireless networks, microwave radio relay networks, radar, satellite and spacecraft communication, medical diathermy and cancer treatment, remote sensing, radio astronomy, particle accelerators, spectroscopy, industria.
Explanation:
HEY CAN ANYONE PLS ANSWER DIS!!!!!!!!!!!!!!!
Answer:
Explanation:
you can seperate mixtures by filtration, evaporation, distillation and chromatography.
Answer:
I think, i can separate the mixtures through
FiltrationMagnitizationeverpouration to drynessA boat is headed with a velocity of 18 meters/second toward the west with respect to the water in a river. If the river is flowing with a velocity of 2.5 meters/second in the same direction as the boat. What would be the magnitude of the boat’s velocity? A. 16.5 meters/second B. 20.5 meters/second C. 18 meters/second D. 2 meters/second E. 45 meters/second
Answer:
20.5
Explanation:
in this case, the two vectors are in the same direction, so they simply add:
total motion = 18m/s + 2.5m/s = 20.5m/s to the west
what cells secrete myelin for neurons?
a. schwann cells
b. other neurons
c. osteocytes
d. leukocytes
Answer:
A. Schwann cells
Explanation:
Chlorine has 17 electrons. According to the modern atomic theory, how many electrons are found in n = 2?
Answer:
8 electrons
Explanation:
According to the modern atomic theory, the electronic configuration of chlorine (e⁻ = 17, Z = 17) is:
1 s² → 2 electrons
2 s² 2 p⁶ → 8 electrons
3 s² 3 p⁵ → 7 electrons
Total: 17 electrons
In n = 1 chlorine has 2 electrons, in n = 2 chlorine has 8 electrons and in n = 3 it has 7 electrons.
Therefore, in n = 2 chlorine has 8 electrons (2 from s orbital and 6 from p orbital).
I hope it helps you!
Who was the first person to walk on the moon ?
Answer:
god correct correct
Explanation:
A man jumps from an airplane and does not
open
his parachute immediately. As he falls,
two forces act on him: the force mg due to
gravity and the force n, of air resistance. Now
he opens his parachute and begins to fall at
constant velocity.
What forces act upon him now?
Answer:
The forces acting on a skydiver jumping from a plane include the gravitational force and air resistance
Explanation: i, dumb so this is proabaly wrong
how do you find displacement
Answer:
Displacement can be calculated by measuring the final distance away from a point, and then subtracting the initial distance. Displacement is key when determining velocity (which is also a vector). Velocity = displacement/time whereas speed is distance/time. I hope it helped. Please give brainliest
Explanation:
a drum crane whirlwinds in 100m of cable when raising a load of 240N through a height of 10m an effort of 30 000 N is needed Calculate the efficiency showing how you obtained your answer
Explanation:
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2. Who was the first woman to dunk in a professional basketball game?
Answer: Lisa Leslie
Explanation: On July 30, 2002, Leslie became the first woman to dunk the ball in a WNBA game.
Answer:
Lisa Leslie
Explanation:
On July 30, 2002, Leslie became the first woman to dunk the ball in a WNBA game
How long does it take a cyclist to increase his velocity from 4.0m/s to 10m/s if he accelerates at 3.0m/s2
How does using a ramp make work easier when loading a piano onto a truck three feet above the ground?
It allows a larger force to be applied over a shorter distance.
It allows a larger force to be applied over a longer distance.
It allows a smaller force to be applied over a shorter distance.
It allows a smaller force to be applied over a longer distance.
Answer:
It allows a smaller force to be applied over a longer distance.
Explanation:
A ramp is an example of an inclined plane that makes the movement of object easier above the ground level or higher surfaces.
In the given example, the sloping part of the ramp will support the weight of the piano as it moves up the slope and it will allow less force to be applied to move the piano above but the distance would be longer as the slant length or slope is the longest distance.
Hence, the correct answer is "d".
Answer:
D. It allows a smaller force to be applied over a longer distance.
Explanation:
If you travel 10 miles, how many kilometers are traveling
Answer:
16.0934
Explanation:
Miles to kilometers