Answers
Answer:
Electrical energy.
Explanation:
Electrical energy comes into the blender, which turns into magnetic energy in the electric motor. This magnetism repels permanent magnets. The motor spins as well as the blade. So the magnetism is converted to kinetic energy.
Related Questions
person a and b traveling away from each other. It takes person a 2 hours to travel a full circle, and person b 5 hours to travel a full circle. how much time will it take for a and b to meet?
Answers
Let the circumference of the circle be 10L.
A moves at 10L/2 = 5L per hour
B moves at 10L/5 = 2L per hour
Therefore it takes 10L/(5L+2L) = 10/7 hours
A 50.0-kilogram cheetah has a kinetic energy of 18000J How fast is the cheetah running ? ( Hint : Rearrange the equation to solve for v .)
I found that people say it’s 36 but there is no explanation for it
Answers
Answer:
Explanation:
here take kinetic energy =1/2×m×v²
m=50.0-kilogram (given)
kinetic energy=18000J (given)
now by taking the given values we get v²=(2×18000)/50
⇒v²=720
⇒v=26.8328m/s
done!
How does the law of conservation of mass apply to chemical reactions?
Answers
Answer: mass is neither created nor destroyed
Explanation: For example, the carbon atom in coal becomes carbon dioxide when it is burned. The carbon atom changes from a solid structure to a gas but its mass does not change.
name a type of relationship between current and potental difference for a resistor at constant temperature
Answers
Answer:
The current flowing through a resistor at a constant temperature is directly proportional to the potential difference across it. ... This is called Ohm's law.
Explanation:
I Looked It Up. So It May Be Wrong But I Hope This Helps!
Answer:
The current flowing through a resistor at a constant temperature is directly proportional to the potential difference across it. ... This is called Ohm's law.
What is the pathway of sound through fluids starting at the oval window through to dissipation of the sound waves at the round window
Answers
2 points
13. The law of conservation of mass can be demonstrated by a chemical
reaction. Which of the following models of a chemical reaction best
represents the law of conservation of mass?
A
C
B
D.
8
8.
a.
Ο Ο Ο Ο
Answers
Answer:
A
Explanation:
the mass in the option a is conserved of two elements
CAN YOU HELP MEEEEEEEEEE PLEASEEEE
Answers
Answer:
What are your options? also i believe the answer may be ecosystem.
Explanation:
There are both biotic and abiotic factors in an ecosystem. Be cause living organisms Are Biotic. While water and rocks are abiotic which are needed to form an ecosystem.
can u help me. thank you
Answers
Evidence supporting the theory of continental drift includes:
a.
b.
c.
d .
Answers
Answer:
The apparent fit of the eastern coastline of South America and western coastline of Africa
Similarities of plants and animal fossils in South America and some parts of African continent which were separated by a vast ocean
Similarities in the sequence of rock layers of opposite sides of the Atlantic Ocean
Which refers to any disturbance that carries energy from one place to another through matter and space?
frequency
wave
hertz
pitch
Answers
Answer:
I think the answer is frequency
Answer:
wAvE
Explanation:
i have my ways
An electron entering the lower left side of a parallel plate capacitor and exiting at the upper right side. The initial speed of the electron is 5.69 x 106 m/s. The capacitor is 2.00 cm long, and its plates are separated by 0.150 cm. Assume that the electric field between the plates is uniform everywhere and find its magnitude.
Answers
Answer:
magnitude is 1382.59 N/C
Explanation:
Given the data in the question;
The time taken is;
t = x / v
we substitute;
t = ( 2 × 10⁻²) / ( 5.69 × 10⁶ )
t = 3.5149 × 10⁻⁹ s
next, the acceleration is;
a = 2y/t² = [2( 0.150 × 10⁻²)] / [ ( 3.5149 × 10⁻⁹ )² ]
a = 2.42826 × 10¹⁴ m/s²
now, the electric field is;
E = ma / q
we know that;
mass of electron m = 9.11 × 10⁻³¹ kg,
charge of electron q = 1.60 × 10⁻¹⁹ coulomb
we substitute
E = ( 9.11 × 10⁻³¹ )(2.42826 × 10¹⁴) / 1.60 × 10⁻¹⁹
E = 2.21214 × 10⁻¹⁶ / 1.60 × 10⁻¹⁹
E = 1.3826 × 10²¹
E = 1382.59 N/C
Therefore, magnitude is 1382.59 N/C
which of the following is an example of a physical change of matter
Answers
An example of a physical change of matter is (c) Melting ice.
Explanation: Melting ice is an example of a physical change of matter. When ice melts, it undergoes a change in state from a solid to a liquid, but its chemical composition remains the same. The water molecules in ice rearrange themselves to form liquid water, but no new substances are formed. This change can be reversed by cooling the liquid water to below its freezing point, causing it to solidify back into ice. Physical changes do not involve a change in the chemical identity of the substance, only a change in its physical properties, such as shape, size, or state.
In contrast, options a) Burning wood, b) Digesting food, and d) Rusting iron involve chemical changes. Burning wood involves a chemical reaction where wood reacts with oxygen to produce carbon dioxide, water vapor, and ash. Digesting food involves the breakdown of complex molecules into simpler ones through chemical reactions in the body. Rusting iron is a chemical reaction where iron reacts with oxygen and moisture in the air to form iron oxide.
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Note: The complete question is:
Which of the following is an example of a physical change of matter?
a) Burning wood
b) Digesting food
c) Melting ice
d) Rusting iron
If the coefficient of kinetic friction between a crate and the floor is 0.20,
how much force is needed to slide a 92 kg crate uniformly across the floor?
Answers
Answer:
0.3 newtons
Explanation:
If the coefficient of kinetic friction between a crate and the floor is 0.20, then the fore needed to slide a 92 kg crate uniformly across the floor would be 180.504 N
What is friction?Friction is a type of force that resists or prevents the relative motion of two physical objects when their surfaces come in contact.
The friction force prevents any two surfaces of objects from easily sliding over each other or slipping across one another. It depends upon the force applied to the object.
As given in the problem If the coefficient of kinetic friction between a crate and the floor is 0.20
The force needed = μN
where μ is the coefficient of the kinetic friction
μ =0.2
N is the normal force
N = mg
N = 92×9.81 N
Force needed to slide = 0.20× 92×9.81
=180.504 N
Thus, The force needed to slide a 92 kg crate uniformly across the floor would be 180.504 N
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How are magnetic fields like vectors?
Answers
Answer:Magnetic fields from two sources add up as vectors at each point, so the strength of the field is not necessarily the sum of the strengths1. Magnetic fields are vectors, which means they have direction as well as size. Therefore, the sum of two magnetic fields is not simply the sum of their magnitudes2.
Explanation:
1. A ball is at rest on the top of a hill (see the figure).
At the top of the hill, the ball will have [the maximum value of its, no, the minimum value of its] gravitational potential energy and [no, the maximum value of its] kinetic energy. If the ball rolls down the hill then, its [gravitational potential energy, kinetic energy] is converted to [gravitational potential energy, kinetic energy] when it gets to the ground.
2. Get your stopwatch ready and prepare to drop the object from the height h you selected in the previous step. You should drop the object so its [bottom, top, middle] part is initially at the height h. The initial speed of the ball [zero, 9.8 m/s, 9.8 m/s^2, depends on the height h] You'll need to measure the time from when the ball leaves your hand to exactly when it hits the ground [ for the first time it bounces, after it bounces and then comes to rest, both the first time and then after it bounces; then average the two times]
.
Answers
2. When dropping the object, you should drop it so its top part is initially at the height h. The initial speed of the ball will be zero since it starts from rest. To measure the time it takes for the ball to hit the ground, you should start the stopwatch when the ball leaves your hand and stop it when the ball hits the ground for the first time. It is recommended to perform multiple trials and calculate the average time to minimize errors.
If you know the answer please tell me ASAP
Answers
3. Fulcrum left
Explanation:
) A Michelson interferometer uses light whose wavelength is known to be 602.446 nm. Mirror M2 is slowly moved while exactly 33,198 bright-dark-bright fringe shifts are observed. What distance has M2 moved? Be sure to give your answer to an appropriate number of significant figures.
Answers
Answer:
The distance will be "10,000,001.1 cm".
Explanation:
The given values are:
Wavelength,
λ = 602.446 nm
Number of moved fringes,
n = 33,198
Now, consider an equation of interference,
⇒ \(2d=n\lambda\) ...(equation 1)
On putting the estimated values in the above equation, we get
⇒ \(2d=33198\times 602.446\)
⇒ \(=\frac{33198\times 602.446}{2}\)
⇒ \(=\frac{20000002.3}{2}\)
⇒ \(=10000001.1\) cm
A hypothetical planet has a radius 1.8 times that of Earth but has the same mass. What is the acceleration due to gravity near its surface?
Answers
The acceleration due to gravity near the surface of the hypothetical planet is 3.02 m/s².
The formula for acceleration due to gravity is:
g = GM/r² Where, g = acceleration due to gravity G = universal gravitational constant M = mass of the planet r = radius of the planet
In this case, since the mass of the hypothetical planet is the same as that of Earth, we can use the mass of Earth instead of M.
Therefore, g is proportional to 1/r².
So, using the ratio of radii given (1.8), we can write:
r = 1.8 x r Earth, where r Earth is the radius of Earth.
Substituting this value of r in the formula for acceleration due to gravity, we get:
g = GM/(1.8 x r Earth)² = GM/(3.24 x rEarth²) = (1/3.24)GM/rEarth²
We know that the acceleration due to gravity on Earth (g Earth) is 9.8 m/s².
Therefore, we can calculate the acceleration due to gravity on the hypothetical planet (gh) as follows:
gh = (1/3.24) x g Earth = 3.02 m/s²
Thus, the acceleration due to gravity near the surface of the hypothetical planet is 3.02 m/s².
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A horse pulls a 315 kg cart with a velocity of 2.2 m/s. The horse speeds up to 4.5 m/s. Find the work done by the horse.
Answers
A horse pulls a 315 kg cart with a velocity of 2.2 m/s, and the horse speeds up to 4.5 m/s, so the work done by the horse cannot be properly calculated from the given information, but it can be calculated after knowing the distance travelled.
What is the significance of the work done by the cart?Work done by the horse is calculated below by multiplying the force with distance travelled and the angle.
work done = force x distance x cosΘ, here Force is calculated below,
force = mass x acceleration = 315 kg x (4.5 m/s - 2.2 m/s) / time
As the distance is not mentioned here, so the work done can't be calculated.
Hence, a horse pulls a 315 kg cart with a velocity of 2.2 m/s, and the horse speeds up to 4.5 m/s, so the work done by the horse cannot be properly calculated from the given information, but it can be calculated after knowing the distance travelled.
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What type of force is gravitational force?
Attractive
Electrical
Magnetic
Repulsive
Answers
Answer: Attractive
Explanation: it pulls you to it
Explaining How Temperature
Does sound travel faster in a warm room or a cold room?
Explain your answer.
Intro
Do
Answers
Answer:
Explanation:
Sample Response: Sound travels faster in a warm room because temperature affects the speed of a wave. In a warm room, the particles of air move faster and have higher chances of bumping into each other, which then increases the instances of energy transfer.
Lester plays middle linebacker for dices football team. During one play, he made the following movements. First, he back-pedaled in the southern direction for 2.6 meters
Answers
Answer:
Explanation:
missing info .....
An atom undergoes nuclear decay, but its atomic number is not changed.
What type of nuclear decay did the atom undergo?
A. Gamma decay
B. Beta decay
C. Nuclear fission
D. Alpha decay
Answers
Answer:
A. Gamma decay
Explanation:
A form of nuclear decay in which the atomic number is unchanged is a gamma decay.
The atom has undergone a gamma decay.
In a gamma decay, no changes occur to the mass and atomic number of the substance.
Gamma rays have zero atomic and mass numbers. When they cause decay, they cause no change to the mass and atomic numbers. They simply produce gamma rays during such reactions and these rays are very energetic.Please solve the Problem.
Answers
The electric flux is - 4.80 × 10∧5 N m2 C-1
How to calculate the electric flux
Use the formula:
Electric flux, ΦE = EScosθ
Where,
E = electric flux
S = area of the rectangular surface = length × breadth = 6.00 × 3.00 = 18.00 m²
E = magnitude = 2. 70 × 10∧4 N/C
θ = the angle between the electric field lines = 15. 7°
Substitute the values into the equation
EФ = 2. 70 × 10∧4 × 18. 00 × Cos (15.7)
EФ = 2. 70 × 10∧4 × 18. 00 × -0.9999
EФ= - 4.79 × 10∧5 N m2 C-1
Therefore, the electric flux is - 4.80 × 10∧5 N m2 C-1
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Part F
Imagine you were a sportscaster at the Olympics. You'd created a mathematical model similar to the one you just did. Imagine that you had a
computer program that could do an instantaneous analysis of video motion using that model. How could you use it in your sportscast?
Answers
A program that could do an instantaneous analysis of video motion will be useful it in a sportscast to analyze events as they occur.
Why will a program be needed?A motion video is defined as the display of video images at a rate (such as thirty frames per second) that causes objects to appear to move smoothly and continuously.
Sports inherently involve fast and accurate motion, which can be difficult for competitors to master but also for coaches and trainers to analyze and audiences to follow. Because of the nature of most sports, monitoring with sensors or other devices attached to players or equipment is generally not possible. This opens up a plethora of opportunities for the use of computer vision techniques to assist competitors, coaches, and the audience
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Two blocks of equal mass are connected by a string that passes over a pulley, as shown in the figure. Block 1 hangs from the string, and block 2 can slide on a table. The system is released from rest. Using conservation of energy, a student derives an expression for the speed v of block 1 when it has fallen a distance h after the system has been released from rest and obtains the equation v=gh−−√ . Question The figure presents a diagram of a pulley system at the edge of a table. A block labeled Block 1 is hanging off the table. Two other blocks are on the table. The block on the left is labeled Block 3 and the block on the right is labeled block 2. Block 1 is connected to a string that passes through a pulley. The left end of the string is connected to the right side of Block 2. Another string connected the left side of Block 2 to the right side of Block 3. A third block of the same mass as blocks 1 and 2 is attached to block 2 on the table, as shown in the figure. Using conservation of energy, the student repeats a derivation for the speed v of block 1 when it has fallen a distance h . Which of the following is a correct expression for v ? Responses gh√3 the fraction with numerator the square root of g h, and denominator 3 gh√2
Answers
Block y will experience a stronger pull from gravity and fall more quickly than block x since it has more mass than block x is 29.4 md
To complete this task, we will apply Newton's second law. Assume that a block with mass m is moving up.
T-W₁ = m a
W₃ - T = M a
w₃ - w₁ = (m + M) a
g = a = (3m - m) / (3m + m)
a = 2/4 g
a = ½ g
The blocks move at a pace of
v² = v₀² + 2 ½ g x
v = √ g x
b) As work is a scalar, it adds to other quantities.
luminous blocks
W1 = W d = mg
d = -a 3 m hefty block
W2 = 3m g d = W d
the entire project is
W = W₁ + W₂
W = 2 m g d
c) When all external pressures are applied to the centre of mass, they relate to it being
a = ½ g
T = 2m1m2g/(m2 + m1)
= 2x mx3x3mg/ 4m
= 14.7 m
Work done in moving by distance by tension on both masses d
= 2 x 14.7 m x d ( 2 x force x displacement ) ( 2 x force x displacement )
= 29.4 md .
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A major source of water pollution comes from that washes chemicals and other pollutants from improperty managed land.
Answers
The total mechanical energy of the roller coaster cart below at Point A is 180,000 J. The speed of the cart at Point B is +20 m/s. Assume no energy is lost due to dissipative forces such as friction. The velocity of the roller coaster cart is +16 m/s at Point C. What is the height (in meters) of the roller coaster at Point C?
Answers
ME a = 180,000 J
Point B
PE = 0 (no height)
KE = 1/2 m v^2
KE b = ME b
1/2m (20)^2 = 180,000
m = 180000/ 200
m= 900 kg
Point C
vc = 16 m/s
MEc = PEc + KEc
180,000 = mgh + 1/2 m v^2
180,000 = 900 (9.8) h + 1/2 (900) 16^2
180,000 = 8820h + 115.200
180,000 - 115,200 = 8820 h
64,800 = 8820h
h= 64800/8820
h c = 7.34 m
Dominic made the table below to organize his notes about mixtures. A 1-column table. The first column labeled properties of mixtures has entries has no set composition, must have more than one state of matter, must have more than one substance. What mistake did Dominic make? The title should read “Properties of Solutions” because some mixtures do not have all of the properties listed. There is a definite recipe to make each mixture, so the composition of a mixture is set. Although it is possible to have more than one state, it is also possible to have only one state. A single substance can be used to make a mixture if the substance is composed of more than one element.
Answers
Answer:
The is: Although it is possible to have more than one state, it is also possible to have only one state.
Explanation:
Hope this helps! ;-)
Answer:
Although it is possible to have more than one state, it is also possible to have only one state.
Explanation:
A 0.75 kg mass attached to a vertical spring stretches 0.30m. a) what is the spring constant?
Answers
Answer:25N/
Explanation:
