initial velocity 0 km/hr, final velocity 24km/hr, time 3s, what is acceleration

Progressive overload is the gradual increase in stress to which we subject the body during training, where time, intensity and frequency are dimensions of it.

It is a training principle that emphasizes a progressive intensification of stress on the muscles.

It involves the systematic application of training stimuli that force the body to adapt and grow by manipulating the variables of frequency, time and intensity.

Therefore, we can conclude that progressive overload is the gradual increase in stress to which we subject the body during training, where  time, intensity and frequency are dimensions of it.

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Initial speed u= 0.0 m/s

Final speed v= 5.0 m/s

Time t1= 4.5s

Time for constant speed t2=4.5s

d = d₁ + d₂

1 = ( v+u/2) × 1₁ + v × 1₂

v = final speed

u = initial speed

t₁ = time for first accelerates

t2 = time for constant speed

d = (5+0/2) × 4.5+ 5.0 x 4.5

d = 33.75m

so, the total distance traveled by the bike is 33.75 m.

# 1

[tex]\bold{a = \frac{(5-0)}{4.5} = 1.11 m/s^2 }[/tex]

[tex]\bold{ v = 0 + a \: t = 1.11 \times 4.5 = 5 }[/tex]

[tex]\bold{ d = 0 + 0 (4.5) + (\frac{1}{2})(1.11)(4.5)^2 =11.2 }[/tex]

# 2

[tex]\bold{ a = 0 }[/tex]

[tex]\bold{ v = 5 }[/tex]

[tex]\bold{ d = 11.2 + 5 (4.5) + 0}[/tex]

[tex]\bold{ = 11.2 + 22.5 = 33.7 meters}[/tex]

State of matter is conserved in chemical reactions but not in nuclear reactions.

In a nuclear reaction, mass is not conserved because of the release of radiation. The difference in masses of reactants and product nuclei, occurs due to release of energy.

So we can conclude that State of matter is conserved in chemical reactions but not in nuclear reactions.

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Nuclear and chemical processes are both possible in the matter. In chemical processes, the property of no atoms is conserved, but not in nuclear reactions. Option C is correct.

The process by which two or more tiny nuclei unite to generate a bigger nucleus is known as a nuclear fusion reaction.

The more energy it takes to liberate an electron from a smaller atom. This is referred to as binding energy.

In the nuclear reaction, one atom gets disassociated with the other atom. The process is known as nuclear fission.

Nuclear and chemical processes are both possible in the matter. In chemical processes, the property of no atoms is conserved, but not in nuclear reactions.

Hence, option C is correct.

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Given what we know, we can confirm that whole-tire recycling has advantages for the environment, as well as economic disadvantages.

Tires are made from rubber mixed with other substances such as steel and certain polyester fibers. This makes the tires a poor source of rubber and said rubber would not be of great quality when recycling, this along with the high cost of the process entails the disadvantages of recycling tires. The advantage, however, is environmental, as tires take up a great portion of the space in landfills and greatly pollute the air when burning.

Therefore, we can confirm that whole-tire recycling has advantages for the environment, as well as economic disadvantages due to its poor quality material and high cost of recycling.

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The correct restart is for there to be another kick off taken in this type of scenario.

This is a method of restarting play in which the ball is put on the center circle and passed by a player.

Kick offs occur at the beginning of any halves or when a goal is scored during the match which is why it's the most appropriate choice.

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Answer:Kick offs occur at the beginning of any halves or when a goal is scored during the match which is why it's the most appropriate choice.

Explanation:

Answer:

It depends on the velocity, if 1 wave is going faster than the other, it could eat the other wave and thus: Merge.

If they are the same speed they would cancel out, it would be like 2 trucks hitting each other.

Explanation:

If 2 waves crash at 15mph they would splash back and fall into the water. Think about boxers.

Answer: Destructive interference occurs when waves come together in such a way that they completely cancel each other out. When two waves interfere destructively, they must have the same amplitude in opposite directions.

Hope this helps :)

Answer:

Please see the file attached

The velocity of the resulting mass after the perfectly inelastic collision of identical balls of clay A and B is 1 m/s to the left.

The final velocity of the two identical balls is determined by applying the principle of conservation of linear momentum as shown below;

m₁u₁ + m₂u₂ = v(m₁ + m₂)

where;

m₁ = m₂ = m

let right direction = positive direction

let left direction = negative direction

m(4) + m(-6) = v(m + m)

4m - 6m = 2mv

-2m = 2mv

v = -2m/2m

v = - 1 m/s

Thus, the velocity of the resulting mass after the perfectly inelastic collision of identical balls of clay A and B is 1 m/s to the left.

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Answer:

A switch interrupts the flow of current in a circuit.

Explanation:

The tangental acceleration of the flywheel of  radius 2.12 cm with a final angular velocity of 1820 rev/min and an angular acceleration of 16.2 rad/s is 0.34 m/s².

This is the rate of change of tangental velocity of an object in circular motion.

To calculate the tangental acceleration, we use the formula below.

Formula:

Where:

From the question,

Given:

Subsitute these values into equation 1

Hence, The tangental acceleration of the flywheel of  radius 2.12 cm with a final angular velocity of 1820 rev/min and an angular acceleration of 16.2 rad/s is 0.34 m/s².

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Answer:

Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune, Milky Way ;-;

A) The distance x from the nearest speaker when intensity is at maximum  ; 0.4272 m

B) The distance x from the nearest speaker when intensity is at minimum ; 0.8123 m

Given data :

Distance between speakers ( d ) = 0.695 m

Frequency of oscillator = 668 Hz

Speed of sound waves in air ( v ) = 343 m/s

Given that

λ = v / f

  = 343 / 668

  = 0.5135

Also

Δx = [tex]\sqrt{d^2+x^2} - x[/tex]

Δx = λ  for maximum intensity

λ  = [tex]\sqrt{d^2+x^2} - x[/tex]

x = ( d² - λ² ) / λ

  = ( 0.695² - 0.5135² ) / 0.5135

  = 0.4272 m

Given that

λ = v / f

  = 343 / 668

  = 0.5135

Also

Δx = S₁P - S₂P

Δx = [tex]\sqrt{d^2+x^2} - x[/tex]

since the intensity is minimum

Δx = λ/2

Therefore

λ/2  = [tex]\sqrt{d^2+x^2} - x[/tex]

x = ( d² - λ²/4 ) / λ

  = ( 0.695² - 0.5135² / 4 ) /  0.5135

  = ( 0.695² - 0.0659 ) / 0.5135

  = 0.4171 / 0.5135 = 0.8123 m

Hence we can conclude that The distance x from the nearest speaker when intensity is at maximum  ; 0.4272 m  and The distance x from the nearest speaker when intensity is at minimum ; 0.8123 m.

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Answer:

true

Explanation:

that's the answear

Answer:

it is false i got

Explanation:

it right

Answer:

0.00377143

Explanation:

You would have to divide to get the frequency.

1.32/350 = 0.00377143

I apologize if it is incorrect-

I hope it helps! Have a great day!

Anygays-

Answer:

Mechanical advantage:

i. The ratio of load to effort on a balanced lever is called mechanical advantage.(Definition)

ii. Mechanical advatage (MA) = Load (L)/Effort (E) (Formula)

Velocity ratio:

i. The ratio of effort distance to load distance is called velocity ratio.(Definition)

ii. Velocity ratio (VR) = effort distance(Ed)/ load distance(Ld).  (Formula)

Answer:

A comet

Explanation:

A comet is composed of mostly ice. As it passes close to the sun, it warms up and begins to release gases, the gases seem longer and they look like a tail. Because the ice gets warmer close to the sun and because it's icy, it changes from ice to liquid and finally vapour. hence evaporaction.

The two practices are;

The carbon dioxide emission results from the combustion of fossil fuels such as petrol, coal, firewood etc.

Carbon dioxide emission can be reduced through the following practices;

Thus, the two practices would most likely result in a decrease in carbon dioxide emissions are;

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Answer:

-6 m/s^2

Explanation:

30 - 90 = -60

-60 / 10 = -6

If acceleration was constant, it will be -6 m/s^2

Answer: Carbon

Explanation:

The opening graph in the video shows the measured relative abundances of elements in the galaxy. What is the 4th most abundant element? Carbon has the fourth highest dot on the graph, and therefore is the fourth most abundant element.

Answer:

Carbon is the masured relative abundant element.

Answer:

C. answer pa brailest need lang po please

D. Resource Supply this would be directly affected first then the rest would follow after a period of time.

Answer:

The lunar highlands were formed about 4.5 billion years ago, they are the oldest features (or regions) on the moon. The maria were formed some 3.5 billion years ago, erasing and covering the 'highlands' in the regions they formed.

Explanation:

In case of  the resonance tube, the first two resonant positions of sound wave are separated by  one-quarter of its wavelength.

An acoustic system would amplify sound waves whose frequency matches one of its own natural vibrational frequencies as a result of a process known as acoustic resonance.

Since most acoustic instruments use resonators, such as the length of a flute's tube, the strings and body of a violin, and the form of a drum membrane, acoustic resonance is a crucial factor for instrument builders. For hearing, acoustic resonance is also crucial.

The separation between two consecutive nodes or antibodies is equivalent to half the wavelength. A node's distance from its next antinode is equal to one-quarter of its wavelength.

In case of  the resonance tube, the first two resonant positions of sound wave are separated by  one-quarter of its wavelength.

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Answer:

As Per Provided Information

We have been asked to determine the maximum height reached by the object .

here we will take acceleration due to gravity g is 9.8 m/s².

For calculating the maximum height attained by the object we will use the following formula .

[tex] \boxed{\bf \:H_{(max)} \: = \cfrac{u {}^{2} {sin}^{2} \theta }{2g}}[/tex]

Substituting all the value in above equation we obtain

[tex]\sf \qquad \: \longrightarrow\:H_{(max)} \: = \cfrac{ {25}^{2} {sin}^{2} {50}^{ \circ} }{2 \times 9.8} \\ \\ \\ \sf \qquad \: \longrightarrow\:H_{(max)} = \cfrac{625 \times(0.766) {}^{2} }{19.6} \\ \\ \\ \sf \qquad \: \longrightarrow\:H_{(max)} = \cfrac{625 \times 0.586756}{19.6} \\ \\ \\ \sf \qquad \: \longrightarrow\:H_{(max)} = \cfrac{366.7225}{19.6} \\ \\ \\ \sf \qquad \: \longrightarrow\:H_{(max)} = \cancel \cfrac{366.7225}{19.6} \\ \\ \\ \sf \qquad \: \longrightarrow\:H_{(max)} =18.71 \: m[/tex]

Therefore,

Because the net force must be zero, we conclude that the magnitude of the force is 1500 newtons, and the direction is in the positive axis.

By Newton's laws, we know that if the net force applied to an object is different than zero, then the object is accelerated.

In this case, we know that the object moves with constant velocity, so there is no acceleration, meaning that the net force is equal to zero.

Then we must have:

F1 + F2 + F3 = 0N

Replacing F1 and F2 we get:

-3000 N + 1500N + F3 = 0

F3 = 3000N - 1500 N = 1500N

Then the magnitude of the force is 1500 newtons, and the direction is in the positive axis.

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An object in motion eventually stops because of friction.

Newton's first law states that if a body is at rest or moving at a constant speed in a straight line, it will remain at rest or continue its moving in a straight line at constant speed unless force is applied on it.

So we can conclude that An object in motion eventually stops is the correct answer.

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Answer:

Physical Balance

•Physical balance are utilized for precision mass measurement.

•Physical balance can measure accurately upto a milligram.

Beam balance

•Beam consists of a horizontal beam, supported at it's centre.

•The object is kept on one pan and the standard massess in the other.

Explanation:

mark me brainliest

Answer:

D -- 12

Explanation:

Hope this helps! Please let me know if you need more help or think my answer is incorrect. Brainliest would be MUCH appreciated. Also remember to rate answers to help other students, While leaving thanks to answers that help you. Have a great day!

Answer:

Torque = I α = 1/2 M R^2 α       where α is the angular acceleration

Torque = F R      where F is applied to a distance R from center

F R = 1/2 M R^2 α

M = 2 F / (R α) = 2 * 50 / (.15 * 110) = 6.06 kg