A person attaches a paper clip to each coil of a Slinky - about 90 in all - in such a way that waves will still travel on it. What effect, if any, will the paper clips have on the speed of the waves on the Slinky

After the series of powerful storm systems of the 2005 Atlantic hurricane season, as well as after Hurricane Patricia, a few newspaper columnists and scientists brought up the suggestion of introducing Category 6, and they have suggested pegging Category 6 to storms with winds greater than 174 or 180 mph (78 or 80 m/s).

The average force acting on the ball is biggest in the with the cement floor case 2 when in the collision the ball bounce back to half of its initial height.

It is asked that in which case the average net force on the ball is highest.

According to impulse-momentum theorem,

Impulse I = F.Δt

where, F is the net average force and Δt is the time of contact during the collision.

In the case of collision with the rubber piece the time of contact of the ball and the ball increases by large amount while in the case of cement floor the time of contact is very very less.

The change in momentum which is equal to the Impulse is also biggest in the case of cement floor because the transfer of kinetic energy of the ball in the case of cement floor will be almost immediate.

The Bigger change in momentum and the smaller time of contact makes the average force on the ball is biggest in the case of cement floor case.

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Answer:

b

Explanation:

I think its b, a molecule

When a solid neutral object becomes positively charged, its mass does not change. The net charge on an object is determined by an imbalance of electrons (negative charge) and protons (positive charge).

The process of charging involves redistributing electrons, but it does not alter the number of protons or neutrons, which contribute to the mass. Thus, the mass of the object remains the same.

Similarly, when a solid neutral object becomes negatively charged, its mass also does not change. The addition or removal of electrons changes the net charge, but it does not affect the mass. The mass of an object is primarily determined by the total number of protons and neutrons, which are unaffected by the charging process.

In summary, charging a solid neutral object, whether positively or negatively, does not alter its mass.

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Answer:

You put the add sign, so it would be 49. I don't believe that is what you meant to put though.

Explanation:

i gotchu, 27+22 so you take the 8 and multiply that by the number of times you blink every 2 minutes and then divide that by 0×1 and carry the 3 and that gives you -7

The arrows in models of magnetic and electric fields show  both their magnitude and direction.

In Physics, a vector refers to a quantity that has both magnitude and direction. Hence, a vector always points in a given direction. The direction in which the arrow points is the direction of the vector in space.

In models of magnetic and electric fields, field vectors depicted by arrows  because they represent both their magnitude and direction. The length of the arrow shows magnitude.

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Answer:

The answer is C. because they represent both their magnitude and direction.

Explanation:

In the figure above, a movement from point b to point c as a result of a decrease in the price of potato chips represents the law of demand.

In the figure above, a movement from point B to point C as a result of a decrease in the price of potato chips represents the substitution effect.

                               This law states that as the price of a good decreases, the quantity demanded of that good will increase, all else being equal. Therefore, consumers will be willing and able to buy more potato chips at a lower price, leading to an upward shift along the demand curve from point b to point c.
                                        When the price of potato chips decreases, consumers are more likely to substitute other goods for potato chips, thus increasing the quantity demanded for potato chips. This shift along the demand curve from point B to point C demonstrates the substitution effect in action.

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Answer:

43.3 m/s.

Explanation:

Assuming the potential energy is due to the gravitational potential energy, we can use the conservation of energy to find the kinetic energy:

Total energy = Potential energy + Kinetic energy

Kinetic energy = Total energy - Potential energy

Kinetic energy = 300 J - 40 J = 260 J

However, we need to know the mass of the object to convert the kinetic energy to velocity. We can use the potential energy to find the mass:

Potential energy = mgh

40 J = m(9.81 m/s^2)(300 m)

m = 0.137 kg

Now we can use the kinetic energy to find the velocity:

Kinetic energy = (1/2)mv^2

260 J = (1/2)(0.137 kg)v^2

v^2 = (2*260 J) / 0.137 kg

v = 43.3 m/s (rounded to one decimal place)

Therefore, the kinetic energy is 260 J and the velocity of the object when it reaches the ground is 43.3 m/s.

Answer:

the two factors are the mass of the objects and the coefficient of friction between them

Explanation:

internet :)

The largest to smallest order of forces are FA, FC, FD, FB, FE .

The force of attraction that a proton will experience at points A-E in this parallel-plate capacitor will vary in strength depending on the position of the proton. From largest to smallest, the force of attraction will be: FA, FC, FD, FB, FE.

At point A, the proton will experience the largest force of attraction, FA, due to the fact that it is closest to the negative plate and farthest away from the positive plate.

At point B, the proton will experience the second largest force of attraction, FB, because the distance between the proton and the negative plate is now further than the distance between the proton and the positive plate.

At point C, the force of attraction, FC, will be weaker than the force of attraction at points A and B because the distances between the proton and both the negative and positive plates are now equal.

At point D, the force of attraction, FD, will be weaker than FC because the proton is now closest to the positive plate and furthest from the negative plate.

Lastly, at point E, the force of attraction, FE, will be the weakest because the proton is equidistant from both the negative and positive plates.

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Answer:

taste buds

Explanation:

very sensitive microscopic hairs called microvilli. The tiny hairs send messages to the brain about how something tastes, so you know if it's sweet, sour, bitter, or salty

He is most probable to forget words that are at the (c) middle of the list if she has a Long List of Words.

What is a List of Word?

As its name suggests, a list of words is an arrangement of words which can be done in a sequential manner or non-sequential manner. It can also be called as array. It is usually written in top to bottom fashion.

Assuming that there is a twenty list of words, then mostly the eye is usually focused on the early part and the last part of the list while ignoring the words that are present in middle.

Thus, we can say that Juan is most probable forget the words appearing in the middle of the list if she has a Long List of Words.

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The cycle time of the entire line is 30.00528 minutes per part.

To calculate the cycle time of the entire line, we need to consider the processing times, failures, and repairs of both the milling machine and the turning machine.

For the milling machine:

Mean processing time (t0) = 15 mins

Standard deviation of processing time (sigma0) = 3 mins

Mean time to failure (MTTF) = 750 mins

Mean time to repair (MTTR) = 200 mins

For the turning machine:

Mean processing time (t0) = 15 mins

Standard deviation of processing time (sigma0) = 3 mins

Mean time to failure (MTTF) = 110 mins

Mean time to repair (MTTR) = 38 mins

We also know that the arrival rate to the milling machine is 1.2 parts/hr, with a coefficient of variation (CV) of 1.

To calculate the cycle time, we can use the following formula:

Cycle time = Processing time + Failure time + Repair time

Processing time:

The processing time is the sum of the mean processing times of the milling machine and the turning machine:

Processing time = t0 (milling machine) + t0 (turning machine) = 15 mins + 15 mins = 30 mins

Failure time:

The failure time is the inverse of the MTTF, considering the arrival rate:

Failure time = 1 / (MTTF * Arrival rate) = 1 / (750 mins * (1.2 parts/60 mins)) = 0.00111 parts/min

Repair time:

The repair time is the inverse of the MTTR, considering the coefficient of variation (CV):

Repair time = 1 / (MTTR * CV) = 1 / (200 mins * 1.2) = 0.00417 parts/min

Cycle time:

Cycle time = Processing time + Failure time + Repair time = 30 mins + 0.00111 parts/min + 0.00417 parts/min

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There are some traits of successful entrepreneurs, these are as follows:

1. He should be a highly motivated towards the work.

2. He sholud be creative in nature. He should think out of box and develop some ideas for the problem.

3. He should have clear vision for the future.

4. He should be very versatile and ready to adapt any changes.

5. He should be ready to take some risk.

6. He should have the ability of decision making and leadership quality.

A hot-air balloon takes off from ground traveling vertically with constant upward acceleration of magnitude g/4, it takes 1/2 of the time interval Δt for the sandbag to reach the ground.

The rate of change of the velocity of an object with respect to time is called acceleration.

The time it takes for the sandbag to reach the ground can be calculated as: t = (2*v_f) / g

where t is time in seconds, v_f is  final velocity of the sandbag and g is 9.8 m/s^2.

upward velocity of the balloon at time t is : v_b = (g/4)*t

So, final velocity of sandbag (v_f) is also (g/4)*t.

t = (2*(g/4)*t) / g

t = (2*t) / 4

So, t = 1/2 * t

Hence,  it takes 1/2 of the time interval Δt for the sandbag to reach the ground.

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Answer:

lm.ao i was stuck too when i was on that

Explanation:

what u need to know sis?

speed, being a scalar quantity, is the rate at which an object covers distance. The average speed is the distance (a scalar quantity) per time ratio. Speed is ignorant of direction. On the other hand, velocity is a vector quantity; it is direction-aware. Velocity is the rate at which the position changes.

Answer:

4 mph

Explanation:

This is because, if you divide the miles jogged by the hours you get 4.

Answer:

4 mph

Explanation:

Use the formula for average speed: \(Speed = \frac{Distance}{Time}\)

The distance that Vanessa traveled is 8 miles and the time she traveled was 2 hours. Therefore, put those numbers in their corresponding spots in the formula and solve for Speed by dividing 8 and 2: \(Speed = \frac{8}{2}\)

Answer:

watch mark robers videos videos on yt

Explanation:

Scientists have discovered a pill that, if taken once a day, can reduce chest pains, then : The committee would conduct few trials with actual patients and then evaluate the drug's success rate.

All drugs must go through the pipeline of discovery, investigation, clinical trials, and FDA approval before being marketed. This activity reviews federal regulations of medication development and highlights the interplay between FDA, drug manufacturers and clinical researchers.

Drugs have to undergo laboratory and animal testing to answer basic questions about safety and drugs are also tested on people to make sure they are safe and effective.

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The efficiency of moving the box is 60%.

Given in the question

Force exerted by peter = 500 N

Force due to friction on box = 200 N

Distance Traveled by box = 3 meters

Now work done by the force is given by

Work Done = (Magnitude of Force) × (Distance traveled)

Let us find work done by each force,

Work done by peter

Work Done = (Magnitude of Force) × (Distance traveled)

Put in the value, we get

Work Done =500 × 3

Work Done by peter = 1500 J

Similarly, Work done by friction

Work Done = (Magnitude of Force) × (Distance traveled)

Put in the value, we get

Work Done =200 × 3

Work Done by Friction = 600 J

As we know the work done by friction force is always negative,

Work Done by Friction = -600 J

So, net Work done = Work Done by peter + Work Done by Friction

net Work done = 1500 - 600

Net Work done = 900 J

Now Efficiency = (Net work done/work done by peter) × 100

Put in the values, we get

Efficiency = (900/1500) × 100

Efficiency = (3/5) × 100

Efficiency = 300/5

Efficiency = 60 %

So, the efficiency of moving the box is 60%.

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Answer:

\(32.6\ \text{kg m/s}\)

Explanation:

\(p_f\) = Final momentum of the system = \(32.6\ \text{kg m/s}\)

According to the principle of conservation of angular momentum we have

\(p_i=p_f\\\Rightarrow p_i=32.6\ \text{kg m/s}\)

The wall is not moving so the initial and final momentum of the system are equal.

So, the total momentum of the system before the collision is \(32.6\ \text{kg m/s}\).

Answer: it makes me guilty and sad mad and sometimes reflecting what I should have said or done better

Explanation:

Answer:

CL2+H2O----------->2HCL+[0]

Answer:

sound is made up of vibrations or sound waves that we can hear these sound waves are formed by objects

Answer:

Sound wave consists to vibrating particles.These knock into other particles causing them to vibrate,and so the sound can travel away from the source.You can hear sound because the vibration in the air cause your ear drums to vibrate this vibration is converted into signals which travel down a nerve to your brain.

Explanation:

hpe its help

Answer:

I think the answer is D.)

Explanation:

If it means something needs to melt into liquid i would have gone with B.) or C.) but since it doesn't specifiy. I thought D.) since all you have to do is heat it and it melts or boils.