Answer:
a = (V2 - V1) / t equation defining acceleration
Acceleration depends on velocity change and the time interval involved.
A potato is launched from the ground at an 73 degree angle with a velocity of 48 m/s.
What maximum height will the potato reach? (Answer in meters)
Type your answer...
Answer:
107.4 meters
Explanation:
gravity is 9.8m/s^2
max height = (velocity squared times sin squared angle) ÷ ( speed of gravity times 2 )
max height = (48 squared times sin of 73 squared) ÷ ( 9.8 times 2 )
Which one of the following would not be considered an advantage of the corporate form of organization?
The corporate form of organization has a disadvantage of government regulations, which is due to the complicated rules. The correct option is b.
What is a corporate form of organization?The major characteristics of a corporate form of organization are limited liability, shareholder ownership, double taxation, continuing lifespan and professional management.
Among the options, the disadvantage is government regulations.
Thus, the correct option is b.
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The effort needed when a simple machine is used is best described by which of these statements?
Answer:
effort effort effort effort effort effort
Let f(x) = -log(4x) + 5.
What is the average rate of change of f(x) from 3 to 8?
Round your answer to the nearest hundredth.
0-11.74
-0.09
0
0.09
O 11.74
Answer:
0.09
Explanation:
I took the test and the correct answer is actually
-0.09
please answer this question
Hope you understand
Have a nice day
How does the change in the volume of air in the bubble affect the density?
archaeologists use radioactive decay of an isotope of the element because it has a fairly short half-life and is found in anything that was once living.
Archaeologists use radioactive decay of an isotope of the element carbon. Because it has a fairly short half-life, and is found in anything that was once living.
What is radioactivity?The act of producing radiation spontaneously is known as radioactivity. This is accomplished by an unstable atomic nucleus that want to give up some energy in order to move to a more stable form.
Archaeologists use radioactive decay of an isotope of the element carbon. Because it has a fairly short half-life, and is found in anything that was once living.
Hence, carbon is used the correct answer for the blank.
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Answer:
Answer is carbon
Explanation:
EDGE2023
The linear speed of the earth's rotation is __________ at the north pole. Group of answer choices 1000 mph none of the remaining options 1200 mph zero
The Earth is rotating with the rotational speed. The linear speed of the earth's rotation at the North Pole is zero.
What is linear speed?The linear speed is when a particle is assumed to be moving in a straight line. The rate of change of distance with time is called linear speed.
The linear speed at the North Pole is
v = distance / time
At the North Pole, the distance around the Earth is zero. The rotation for 224 hrs.
v = 0 / 24 hrs
v =0 mph
Therefore, the linear speed of the earth's rotation at the North Pole is zero.
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An object appears white because it ___. reflects all wavelengths of visible light absorbs all wavelengths of visible light reflects all wavelengths of ultraviolet light absorbs all wavelengths of ultraviolet light
An object appears white because it reflects all wavelengths of visible light . Option A is correct.
What is ultraviolet ray?
Ultraviolet rays are a kind of electromagnetic radiation that extends from the visible light spectrum to the X-ray area.
A white item reflects white light in all hues equally. We see the hue that an item does not absorb if it absorbs all except one. Red, orange, green, blue, indigo, and violet light are absorbed by the yellow strip in the diagram.
Harmful rays have a long-term effect on humans, causing skin and eye problems. It is also a source of vitamin C.
An object appears white because it reflects all wavelengths of visible light .
Hence, the correct answer for the blanks is reflects all wavelengths of visible light .
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what best describes a reference fram?
Answer:
A reference frame is that frame to which the qualities of an object are related:
For instance - an object may described by - mass, speed, acceleration, size, etc,
It is important to remember that Newton's Laws of motion do not hold in accelerated reference frames -
Einstein's laws of special relativity are only true in frames that move with contant speed to one another
How come on Mercury the day is 58 Earth days. But Mercury is closest to the sun, meaning that the time on Mercury would be faster? It makes no sense...
Answer:Mercury spins slowly on its axis and completes one rotation every 59 Earth days. But when Mercury is moving fastest in its elliptical orbit around the Sun (and it is closest to the Sun), each rotation is not accompanied by sunrise and sunset like it is on most other planets.
Explanation:
A wave created by shaking a rope up and down is called a.
Joshua programs a robotic arm to place a block in a box by following the sequence of commands in the table. a 2-column table with 4 rows. the first column labeled step has entries 1, 2, 3, 4. the second column labeled command has entries, grip block, lift block 10 centimeters, hold for 20 seconds, release block. during which step does the robotic arm do work on the block? step 1 step 2 step 3 step 4.
Step 2 does the robotic arm do work on the block. Joshua programs a robotic arm to place a block in a box. a four-row, two-column table.
What is a robotic arm?A robotic arm is a type of artificial arm that may be programmed to do tasks similar to those of a human arm.
The arm can be the sum of the mechanism or part of a larger robot. Joints connect the manipulator's linkages, allowing rotational or translational motion.
By following the directions in the table, Joshua programs a robotic arm to place a block in a box. a four-row, two-column table.
The items in the first column labeled step are 1, 2, 3, and 4. Grip block, elevate block 10 cm, hold for 20 seconds, release block are the items in the second column labeled command.
Step 2 does the robotic arm do work on the block.
Hence,step 2 is the correct answer.
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what is the difference between a free body diagram and a vector diagram?
Answer:
Free body diagrams are used to describe situations where several forces act on an object. On the other hand Vector diagrams are used to resolve (break down) a single force into two forces acting as right angles to eachother
Explanation:
Hope this helps !
Question 9 of 25
Which feature of a balanced chemical equation demonstrates the law of
conservation of mass?
OA. It has equal numbers of each type of atom in its reactants and
products.
OB. It shows the coefficients and subscripts of each formula shown in
the equation.
OC. It has a reaction arrow between the products and reactants of a
chemical reaction.
OD. It shows the chemical formula for each substance in its reactants
and products.
SUBMIT
A. It has equal numbers of each type of atom in its reactants and products.
a balanced chemical equation = number of elements on both side are equal
An internal resistance of 5 ohm and a battery of 15 ohm is connected to a resistance of 20 ohm calculate the electric current
Answer:
.6 A
Explanation:
Battery 15 VOLTS
V = IR
V / R = I
15 / ( 5+20) = .6 amps
True or false the incident angle is the angle formed between the barrier and the direction of wave propagation?
It is true that the incident angle is the angle formed between the barrier and the direction of wave propagation.
What is wave propagation?Wave propagation refer to the processes and different ways waves travels from one medium to another and transferring energy.
Therefore, is true that the incident angle is the angle formed between the barrier and the direction of wave propagation.
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what is the kinetic energy of a flying bird of mass 600g flying with velocity of 10m/s
Answer:
30 J
Explanation:
You have to transform g in kg, so 600 g=0,6 kg
the kinetic energy value is
K= ½ mv² so it is K=½ (0.6×100)=30 J
[tex]\text{Kinetic energy,}\\\\~~~~~~E_k = \dfrac 12 mv^2\\\\~~~~~~~~~~=\dfrac 12 \times 6\times 10^{-1} \times 10^2~~~~~~~;[m = 600 g = 600 \times 10^{-3}~ \text{kg} = 6\times 10^{-1}~ \text{kg}]\\\\~~~~~~~~~~=\dfrac{60}2\\\\~~~~~~~~~~= 30~ J[/tex]
The basic unit of electric current is the: ohm. ampere. conductivity. volt.
The basic unit of the measure of the rate of current flow in a conductor is ampere.
Option B) ampere is the correct answer.
What is Current?Current is simply the rate of flow of charged particles such as electrons caused by:
EMF or Voltage.An ampere is simply a unit of measure of the rate of current flowing through a conductor.
Ampere is the SI basic unit of electric current
Therefore, the basic unit of the measure of the rate of current flow in a conductor is ampere.
Option B) ampere is the correct answer.
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Answer:
B) ampere
Explanation:
[tex] \textbf{What do you mean by Refractive Index ?}[/tex]
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[tex] \qquad \tiny{ \sf \: no \: \: classes \: \: today {}^{} . \: it \: feels \: so \: relaxing \: \sqrt{} }[/tex]
Rarefaction is the reduction of an item's density, the opposite of compression.Rarefaction is the reduction of an item's density, the opposite of compression.
Answer:
The Refractive Index (RI) is defined as the ratio of the speed of light in a vacuum to its speed in the sample medium.
Formula:-
[tex]n = \displaystyle{ \frac{c}{v} }[/tex]
Where,
c is the speed of light and v is the phase velocity of light.
A crate of mass 90 kg rests on the floor. How much work is required to move the crate at a constant speed 6 m along the floor against a friction force of 180 N?
If the crate is moving at a constant speed, then there is zero net force on the crate, and hence no work is required.
More specifically, by Newton's second law the net horizontal force on the crate is
F - 180 N = 0
where F is the magnitude of the applied force. The right side is zero since constant speed = no acceleration. Then F = 180 N.
Now,
• work done by F = (180 N) (6 m) = 1080 J
• work done by friction = (-180 N) (6 m) = -1080 J
so the total work W is
W = 1080 J - 1080 J = 0 J
Alternatively, by the work-energy theorem, the total work done on the crate is equal to the change in its kinetic energy. But constant speed means initial and final velocities are equal; if v is this speed, then
W = 1/2 (90 kg) v² - 1/2 (90 kg) v² = 0 J
A man lowers an object of mass 12 kg from a height of 0.5m to the floor. What is the work done by gravity?
Answer:
60Nm
Explanation:
Work done = F * S = 12*10*0.5 = 60Nm
How is area different from volume
Answer:
Area is two dimensional like cm^2 volume is 3 dimensional like cm^3
Explanation:
Answer:
an area is a two dimensional whereas a volume is a three dimensional
Explanation:
An area is a plain figure while a volume is a solid figure.The area is measured in square units and the volume in cubic units.The area covers the outer space and the volume the inner capacity
a car starts from 21 m/s and gets up to a velocity of 30m/s in a time of 36
seconds. what is the acceleration of the car
Answer: Acceleration is 0.25m/s^2
Explanation:
which of these is NOT an example of a lever?
a. shovel
b. pushup
c. ramp
d. seesaw
Answer:
c
Explanation:
Out of the given options, shovel, pushup, and seesaw are all examples of levers. Hence, the one that is not an example is :
rampSuppose it turns out that one in 1 million stars has a planet that at some point in its history is home to an advanced civilization. Then the total number of civilizations that have arisen in our galaxy would be closest to _____. Assume there are about 100 billion stars in the Milky Way galaxy.
It has been proposed that the total number of civilizations that have arisen in our galaxy would be closest to 100,000.
What is a galaxy?A galaxy is a group of stars (solar systems), gas, and dust in a specific position in the Universe.
The Milky Way is the galaxy where we live and it has been proposed that this galaxy is full of dead civilizations.
In conclusion, the total number of civilizations that have arisen in our galaxy would be closest to 100,000.
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What type canola oil biome is
Answer:
canola oil biome is a chemically refined oil that is used for cooking and skin
Explanation:
DO YOU LIKE MY PHYSICS ESSAY?
Answer:
Yes
Explanation:
I love THAT SONG. And it is a good essay.
Answer: ( yes i do like your essay! )
I am breaking down in tears. /j
I should've expected this and i still fell for it
I NEED THIS ANSWER QUICK!
About how much precipitation in the water cycle occurs over the ocean?
A) 15 percent
B) 50 percent
C) 78 percent
D) 100 percent
Answer:
Hello, I'm here to help you.
↬ 78%
Explanation:
↬ Think that about 70% of the area of the earth is covered by the ocean.
↬ So the precipitation that falls on it is a smiliar percentage.
An alpha particle (charge 2e) and an electron move in opposite directions from the same point, each with the speed of 2. 80×105 m/s
The total magnetic field of the alpha particle will be = 1.974 x 10⁻⁴ T .
What is magnetic field?
Magnetic field is a region around a magnetic material or a moving electric charge within which the force of magnetism acts.
Magnetic field due to moving charge =
[tex]B=\dfrac{\mu_oq}{4\pi}\times \dfrac{v}{r^2}[/tex]
q is charge moving with velocity v and r is distance from point at which field is calculated .
For alpha particle
[tex]B_1=\dfrac{\mu_o}{4\pi}\times \dfrac{2\times 1.6\times 10^{-19]\times 2.8\times 10^{5}}}{(8.25\times 10^{-9})^2}}[/tex]
= 0.1316 x 10⁻³ T
For electron
[tex]B_2=\dfrac{\mu_o}{4\pi}\times \dfrac{1.6\times 10^{-19}\times 2.8\times 10^{5}}{(8.25\times 10^{-9})^2}[/tex]
= .0658 x 10⁻³ T .
Both these magnetic field will be same in direction because direction of equivalent current is same for both the particles .
Hence
Total magnetic field
= B₁ + B₂ = .1974 x 10⁻³
= 1.974 x 10⁻⁴ T .
Hence the total magnetic field of the alpha particle will be = 1.974 x 10⁻⁴ T .
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