An athlete wants to refill an old punching bag used for training, as shown in the picture. When refilled, the bag will rip if it is kicked with too much force

Answer:

Average speed = 2.5 mph

Distance = 22.352 meters

Explanation:

Calculate speed, distance or time using the formula d = st, distance equals speed times time.

Calculate speed, distance or time using the formula d = st, distance equals speed times time.

You can use this formula for any question like this

The thin atmosphere of Mars is thought to be due to the planet's lack of a magnetic field, which has allowed the Solar wind to blow away much of the gas the planet once had. Venus, despite still having a thick atmosphere of CO2, surprisingly has a similar problem

Answer:

100 Pa

Explanation:

"Hecto" prefix is given when a physical quantity generally 100 times the amount of the unit.

The order of band in which the light becomes the brightest is n = 0.

Diffraction is the phenomena of the spreading of waves around obstacles. Diffraction occurs in electromagnetic radiation, such as light, X-rays, and gamma rays, etc.

When light waves pass near a barrier they tend to bend around that barrier and become spread out.

The order bands n=2 becomes dimmest due to the spreading out of the light wave.

Thus, the order of band in which the light becomes the brightest is n = 0.

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n = 0 is correct for edge. :)

a)The time taken between the parcel leaving the airplane, and it's striking the ground will be 6.38 second

c)The speed at which the parcel strikes the ground will be 62.64 m/sec.

Speed is defined as the rate of change of the distance or the height attained. it is a time-based quantity. it is denoted by U for the initial speed while V for the final speed. its SI unit is m/sec.

The given data in the problem is;

Steady speed (V)= 90 m/s

Altitude (h) = 200 m

Time taken (t)=?

horizontal distance travelled(d)=?

Striking speed(V)=?

The striking speed is;

[tex]\rm V^2=U^2+2gh \\\\ V=\sqrt{2gh} \\\\V=\sqrt{2\times 9.81 \times 200} \\\\ V= \sqrt{3924} \\\\ V=62.64 \ m/sec[/tex]

The time taken is found as;

[tex]\rm H = ut + \frac{1}{2} gt^2 \\\\ 200=0+ \frac{1}{2} \times 9.81 \times t^2 \\\\ t=6.38 \ sec[/tex]

Hence, the time taken between the parcel leaving the airplane, and it's striking the ground will be 6.38 second

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Answer:

678908765456789

Explanation:

Answer:

$ .0248      or   2.48 cents

Explanation:

60 + 100 + 150 = 310 watts

  for one hour  =  310 watt- hr    or    .31 kw- hr

      .31 kw-hr   *  .08 / kw-hr  =  .0248

Answer:

It passes another car that travels southward at 60 km/h. Do both cars have the same speed? Do they have the same velocity? Answer: Both cars have the same speed, but they have opposite velocities because they are moving in opposite directions.

Explanation:

Answer:

See below ~

Explanation:

As the magnitude (absolute numerical value) of both cars are equal, they both have the same speed.

But, as they are travelling in opposite ways, they have different directions. Hence, they have different velocities.

a equals thirty five thats why the elephant strted to kiss the cat and the cat went upsidedown and started crying all over the ceiling

Answer:

the third option

Explanation:

Answer:

Ocean water 97.5% Freshwater frozen as ice 1.5% and freshwater 1%

Explanation:

The ideal mechanical advantage of the crowbar will be 0.7.IMA is also equal to the distance traveled by the load divided by the distance traveled by the effort.

The ideal mechanical advantage of a lever is equal to the length of the effort arm divided by the length of the resistance arm.

The ideal mechanical advantage is found as;

[tex]\rm IMA=\frac{0.35}{0.5} \\\\ IMA=0.7[/tex]

Hence,the ideal mechanical advantage of the crowbar will be 0.7.

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Answer:

Static Electricity.

Explanation:

The rubbing of hair (object) onto the balloon creates a negative charge that is carried by electrons, the electrons will soon build higher to create static electricity, thus keeping it onto the ceiling.

Hope this helps!

Answer:weight is a vector.

Explanation: It is measured in Newtons (N) and has direction

Answer:

total gravity of mass on earth. it can measured by Newton

Explanation:

I think it will help you. follow me ok .

The frequency of the ultraviolet light given that its wavelength is 100 nm is 3×10¹⁵ Hz

The frequency of the light can obtain as illustrated below:

v = λf

3×10⁸ = 100×10¯⁹ × f

Divide both side by 100×10¯⁹

f = 3×10⁸ / 100×10¯⁹

f = 3×10¹⁵ Hz

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Answer:

B. man with a beard

Explanation:

it is not a genetic mutation because it is completely natural and common unlike the other options.

After one half-life, 8 g of radioactive isotope will remain in the sample.

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.

The following formula is used to compute the number of half lives elapsed:

[tex]\rm N=\frac{N_0}{2^n} \\\\ N=\frac{16}{2} \\\\ N= 8 \ gram[/tex]

Hence,8 gram of radioactive isotope remains in the sample after 1 half-life.

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Answer:

Answer is below

Explanation:

8 g

The conditions needed for an ideal pendulum are;

An ideal pendulum is a type of pendulum that satisfies the following conditions,

Thus, the correct statements are second, third and the fourth.

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Answer:

b, c and d are correct ;)

Explanation:

I do not agree with the statement 'theoretical capacity of a process is the reciprocal of the theoretical flow time of the process' because time is only one variable.

The theoretical capacity of a process can be defined as the ability to perform a given work in a given period of time.

The theoretical capacity of a process is not only dependent on the time that takes to carry out but also on other variables (e.g., temperature, light conditions, etc).

In conclusion, I do not agree with the statement 'theoretical capacity of a process is the reciprocal of the theoretical flow time of the process' because time is only one variable.

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Answer:

Aristotle classified animals on the basis of habitat.

Explanation:

Hope it helps you :)))))

have a good day

The time taken by the train will be 13.84 sec. Time taken is the ratio of the distance and speed.

Distance is a numerical representation of the distance between two objects or locations.

Distance can refer to a physical length or an estimate based on other factors in physics or common use. |AB| is a symbol for the distance between two points A and B.

Distance is found as the product of the speed and velocity.

Distance = speed × time

time = Distance/speed

time= 1275 (m)/92.1( m/sec)

time(t) =13.84 sec

Hence, the time taken by the train will be 13.84 sec

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Answer:

An extreme redshift of emission lines that indicated high recessional

The electrostatic force between these electrons will be 2.3×10⁻²⁰ N.

The force of attraction between two charges, according to Coulomb's law, is directly proportional to the product of the charges and inversely proportional to the square of the distance between them.

Charges that are similar repel each other, whereas charges that are diametrically opposed attract each other.

They will repel, moving in opposite directions at the same speed. Because the magnitude and nature of the charge are same.

The electrostatic force between these electrons is;

[tex]\rm F= \frac{Kq_1q_2}{r^2} \\\\ F=\frac{9 \times 10^9 \times -1.6 \times 10^{-19} \times- 1.6 \times 10^{-19} }{(0.10 \times 10^-3)^2} \\\\F= 2.3 \times 10^{-20} \ N[/tex]

Hence, the electrostatic force between these electrons will be. 2.3×10⁻²⁰ N.

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A child touches the metal leg of a chair. The temperature of metal leg is moving to her hand.

The temperature is the degree of hotness or coldness when an object is touched.

The metals are generally have less temperature compared to the surrounding temperature. When a child touches the leg of a metal chair, she feel cold, but the physical term is temperature which is moved to her hand.

Thus, temperature of metal leg is moving to her hand.

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Answer:

nerves

Explanation:

The optic nerve is the nerve in each eye that carries the signal from your eye to your brain.

I believe a scale is good

Answer:  there is no shadow on the Moon with the solar eclipse.

Explanation: When the Moon passes between the Earth and the Sun, it casts a moving shadow on the Earth's surface, known as a solar eclipse. When the Earth passes between the Sun and the Moon, a lunar eclipse occurs, creating a shadow on the Moon.

Refer to the attachments

Note that

Like charges attract each other and unlike charges repel each other

Answer:

c on ed

Explanation:

Answer:

  zero

Explanation:

The gravitational force between two masses is jointly proportional to the masses and inversely proportional to the square of the distance between them. The constant of proportionality is the universal gravitational constant.

__

In this scenario, the force to the right is matched by an identical force to the left from an identical mass at an identical distance. The magnitudes of the forces are equal, and their directions are opposite. The forces cancel.

The net force on the 2.2 kg mass in the center is zero.