Deserts are only found near the equator.

The mass would stay the same, but the weight would be only 16.5%.

Explanation:

Mass is the amount of "matter" in an object, which stays the same everywhere. Weight is the force acting on an object by gravity, which changes depending on nearby bodies. In this case, weight on the moon is 16.5% of that on Earth.

1. 44.1 J is the kinetic energy in joules when it hits the ground

2.0.075 kg   is its mass.

3.11.8 m is distance was the load lifted.

The kinetic energy of a freely falling object can be calculated using the formula KE = 1/2 * m * v^2, where m is the mass of the object and v is its velocity. At the moment of impact with the ground, the velocity of the 2-kg ball can be calculated.

using the formula v = sqrt(2 * g * h), where g is the acceleration due to gravity (9.8 m/s^2) and h is the height fallen. Substituting the values, we get KE = 1/2 * 2 kg * (sqrt(2 * 9.8 m/s^2 * 3 m))^2 = 44.1 J.

The kinetic energy of a moving object can be calculated using the formula KE = 1/2 * m * v^2. We can rearrange this formula to find the mass, m = 2 * KE / v^2. Substituting the given values, we get m = 2 * 900 J / (600 m/s)^2 = 0.075 kg.

The work done by the crane can be calculated using the formula W = F * d, where F is the force exerted by the crane and d is the distance the load is lifted. The force exerted can be calculated using the formula F = m * g, where m is the mass of the load and g is the acceleration due to gravity.

The work done can be calculated as W = m * g * d. We can rearrange this formula to find the distance lifted, d = W / (m * g). Substituting the given values, we get d = (8 hp * 746 W/hp * 15 s) / (100 kg * 9.8 m/s^2) = 11.8 m.

To know more about kinetic energy click on below link:

https://brainly.com/question/26472013#

#SPJ11

The given statement "scientists are concerned about the decrease in ozone is allowing more ultraviolet" is true because ozone is a molecule made up of three oxygen atoms that exist in the Earth's atmosphere. It's a form of oxygen that absorbs almost all of the Sun's harmful ultraviolet light.

Ultraviolet rays are very harmful to humans, causing skin cancer, immune system breakdowns, and cataracts in the eyes. When the ozone layer is damaged or thinned, it can allow more ultraviolet rays to penetrate the atmosphere, which is why scientists are so concerned about ozone depletion.What are the impacts of ozone depletion?It is estimated that a 1% reduction in the ozone layer increases the incidence of non-melanoma skin cancer by 2%.A decrease of 10% in the ozone layer may result in a 20% increase in the incidence of skin cancer.The thinning of the ozone layer may result in a decrease in plant production, which may result in food supply shortages.A decrease in ozone may have an impact on phytoplankton, which play a crucial role in ocean food webs. These tiny creatures consume carbon dioxide and produce half of the world's oxygen. As phytoplankton numbers decline, ocean ecosystems may change, affecting everything from fish populations to weather patterns.

Learn more about ozone at

https://brainly.com/question/27911475

#SPJ11

Answer: 501.57g

Explanation: g=1.06×473.176

hand over hand steering.

When turning corners, use the hand-over-hand or grip and slide method. Do not turn the wheel with only the palm of your hand. Letting the wheel slip through your fingers could be dangerous.

Hand-over-hand steering is also useful when maneuvering in a space with limited view, such as perpendicular parking in a congested shopping center. When using hand-over-hand steering, quick movements of the hands are recommended on entry to the maneuver, with smooth slow movements when returning the wheel upon completion of the maneuver.

Hand-over-hand steering is appropriate when the speed of steering is critical, such as with skid recovery in a rear-wheel traction loss.

When making a slight turn, keep both hands in the same position on the wheel, making only slight finger or wrist adjustments as necessary to maintain your path of travel.

However, when moving through a turn, the hands may move up to 165 degrees (neither hand moves beyond the 6 or 12 o'clock positions).

learn more about inertia here:

https://brainly.com/question/28007787

#SPJ4

Answer:

9.8

Explanation:

distance=vt

1.40*7=distance

There is no direct relationship between the fossil evidence of plants and the extinction of humans on earth. Fossil evidence of plants can provide insights into the evolution of plant life on earth and how it has changed over time. Similarly, the extinction of humans is a complex issue that can be caused by a variety of factors such as climate change, environmental degradation, pandemics, wars, and other societal factors.

However, fossil evidence can provide clues about past environmental conditions that may have contributed to the extinction of certain species, including humans. For example, the study of fossil pollen can provide information about past climates, vegetation patterns, and other environmental factors that may have influenced the survival or extinction of various species, including humans.

Additionally, the analysis of plant fossils can help us understand how plant communities have responded to environmental changes in the past, which can provide insights into how they might respond to future changes.

Overall, while fossil evidence of plants is not directly related to the extinction of humans on earth, it can provide valuable information that may help us understand the environmental conditions that can contribute to such events.

To know more about Fossils, refer to this link:

https://brainly.com/question/14097516

Explanation:

Suspension bridges, like the Golden Gate Bridge or the Brooklyn Bridge, use tension force as the primary source of force that cables use to hold their spans up. The supporting cables receive the tension forces of the bridge, and this same force passes to the anchorages and into the ground

\(\sf\huge\underline\blue{Resistor:-}\)

\(\rightarrow\)A resistor is a passive two-terminal electrical component that implements electrical resistance as a circuit element.

\(\rightarrow\)Resistors reduce the current flow and lower voltage levels within circuits.

\(\sf\large\underline\purple{Resistors \:in\: Series:-}\)

\(\rightarrow\)A circuit is said to be connected in series when the same amount of current flows through the resistors. In such circuits, the voltage across each resistor is different.

\(\rightarrow\)In a series connection, if any resistor is broken or a fault occurs, then the entire circuit is turned off. The construction of a series circuit is simpler compared to a parallel circuit.

\(\rightarrow\)For the above circuit(attached image-1), the total resistance is given as:

\(\sf{R_{total}\: = \:R1 + R2 + ….. + Rn}\)

The total resistance of the system is just the total of individual resistances.

\(\sf\large\underline\purple{Resistors \:in\: Parallel:-}\)

\(\rightarrow\)A circuit is said to be connected in parallel when the voltage is the same across the resistors. In such circuits, the current is branched out and recombines when branches meet at a common point.

\(\rightarrow\)A resistor or any other component can be connected or disconnected easily without affecting other elements in a parallel circuit.

\(\rightarrow\)The figure(attached image -2) above shows ‘n’ number of resistors connected in parallel. The following relation gives the total resistance here

\(\sf{\frac{1}{R_{total}}\: = \:\frac{1}{R1} + \frac{1}{R2} + ….. + \frac{1}{Rn}}\)

\(\rightarrow\)The sum of reciprocals of resistance of an individual resistor is the total reciprocal resistance of the system.

_______________________________

Hope it helps you:)

Answer:

In a series circuit, the output current of the first resistor flows into the input of the second resistor; therefore, the current is the same in each resistor. In a parallel circuit, all of the resistor leads on one side of the resistors are connected together and all the leads on the other side are connected together.

This means that the object needs to be placed approximately 15.998 cm to the left of the objective lens, or about 16 cm away from it, for the microscope to produce a magnification of -250.

We can use the magnification equation to solve for the object distance:

m = -(di/do)

Magnification, di is the image distance, and do is the object distance. We are given that m = -250 and the focal length f = 0.500 cm, so we can rearrange the equation to solve for do:

do = -(f/m) - di

We need to find the object distance do for a magnification of -250. Since the magnification is negative, the image is inverted. We also know that the object distance must be greater than the focal length for a real image to be produced.

Let's assume that the image distance di is equal to the distance between the objective lens and the eyepiece lens (the tube length). The standard tube length for microscopes is 160 mm or 16 cm. Using these values and the equation above, we get:

do = -(0.500 cm/-250) - 16 cm

do = 0.002 cm - 16 cm

do = -15.998 cm

This means that the object needs to be placed approximately 15.998 cm to the left of the objective lens, or about 16 cm away from it, for the microscope to produce a magnification of -250.

Learn more about magnification Visit: brainly.com/question/131206

#SPJ4

The PFT or physical fitness test is a set of measures designed to determine the level of physical fitness.....

The minimum power requirement of a fan that increases air velocity to 9.12 m/s at a rate of 3.45 m³/s, is calculated to be 430.49 watts.

To determine the minimum power requirement of the fan, we can use the equation:

Power = (1/2) * density * velocity³ * area

Given:

Density of air (ρ) = 1.259 kg/m³

Velocity (v) = 9.12 m/s

Rate of air flow (Q) = 3.45 m³/s

First, we need to find the area (A) through which the air is flowing. The rate of air flow (Q) is given by Q = A * v, so we can rearrange the equation to find A:

A = Q / v

Substituting the given values, we get A = 3.45 m³/s / 9.12 m/s = 0.378 m².

Now we can calculate the power using the equation mentioned earlier:

Power = (1/2) * ρ * v³ * A

Substituting the values, we have:

Power = (1/2) * 1.259 kg/m³ * (9.12 m/s)³ * 0.378 m² = 430.49 watts.

Therefore, the minimum power requirement of the fan is 430.49 watts.

Learn more about minimum power

brainly.com/question/32284834

#SPJ11

The acceleration of each ball while in motion is the acceleration due to gravity, that is 9.81 m/s²

Here one child simply drops a ball. The second child simultaneously launches a ball downward at a 10-meter-per-second initial speed.

In first case acceleration on the ball is the acceleration due to gravity, it should be noted that in the second case also acceleration on the ball is the acceleration due to gravity,

Therefore, only gravitational force is acting on both cases so their acceleration is the acceleration due to gravity. Therefore, the acceleration of each ball while in motion is the acceleration due to gravity, that is 9.81 m/s².

Learn more about acceleration on:

https://brainly.com/question/13298626

#SPJ1

the answer will be 8 meters

To ensure that the net torque about the pivot is zero, the third force at point P should be applied in a direction that creates an equal and opposite torque to counterbalance the torques created by the other two forces.

To determine the direction and approximate magnitude of the third force, we need more information about the specific configuration of the wheel, the positions of the forces, and the magnitudes of the other two forces.

Net torque refers to the combined effect of all the torques acting on an object. Torque is a rotational force that causes an object to rotate around an axis. It depends on two factors: the magnitude of the force applied and the distance between the point of application of the force and the axis of rotation.

Learn more about net torque on:

https://brainly.com/question/30338139

#SPJ1

The given MATLAB code defines the transfer function H(s) of a system and calculates the impulse response h(t). Adding the line "pzmap(Hs)" to the code will generate the pole-zero plot of the system.

The given MATLAB code defines the transfer function H(s) of a system and calculates the impulse response h(t). However, the line "Ha-gym(' (8+2)/ (8 2+7:8+12)!) hemilaplace (Ha)" seems to be incomplete and unclear. It is not clear what the purpose of this line is or how it relates to the rest of the code.

Adding the line "pzmap(Hs)" to the code would plot the system's pole-zero plot. The function "pzmap()" takes the transfer function H(s) as an input and generates a plot showing the locations of the poles and zeros of the system.

Therefore, the statement "Adding the line pzmap(Hs) to the above code gives the system pole-zero plot" is true.

To know more about generate visit:

https://brainly.com/question/10736907?

#SPJ11

The technique of contrasting and abrupt changes in levels of loudness is known as terraced dynamics. This technique involves a sudden shift from one dynamic level to another, without gradual transitions in between.

It is characterized by distinct and noticeable changes in volume, creating a dramatic effect in music or performance.

Terraced dynamics are commonly associated with baroque music, where sections of a composition are marked by sudden shifts between loud and soft passages.

This technique adds a sense of intensity, tension, and emotional impact to the music, creating a dynamic and engaging listening experience for the audience.

To know more about terraced dynamics, refer here:

https://brainly.com/question/31826002#

#SPJ11

Terrace dynamics is the technique of contrasting and abrupt changes in levels of loudness in music.

The technique of contrasting and abrupt changes in levels of loudness is known as terrace dynamics. Terrace dynamics is often used in music to create dramatic effects and add intensity to a piece. For example, in classical music, composers may use terrace dynamics to transition from a soft and gentle passage to a loud and powerful section.

https://brainly.com/question/31826002

#SPJ11

The biggest source of error in determining the stopping potential for photoelectrons produced by light of a given wavelength could be inaccuracies in measuring the light intensity or the wavelength of the incident light.

The photoelectric effect is a phenomenon in which electrons are emitted from the surface of a material when it is exposed to light of a certain frequency. This effect was discovered by Heinrich Hertz and later explained by Albert Einstein, who was awarded the Nobel Prize for his work on it. In the photoelectric effect, electrons are emitted from a metal surface when it is exposed to light of a specific frequency.

However, the biggest source of error in determining the stopping potential for photoelectrons produced by light of a given wavelength is the imperfections and uncertainties in the experimental setup and equipment used to measure the stopping potential. Additionally, potential errors may arise from environmental factors or the experimental setup itself.

To learn more about photoelectric, click here:

https://brainly.com/question/26465043

#SPJ11

Answer:

the projection of a vector quantity, as force or velocity, along an axis.

Explanation:

The substance is zircon, of which interference analysis is done.

Wavelength of light in solid = λ = 329 nm

Wavelength of light from he-ne laser = λ' = 633 nm

Interference effect = n =

= n =  λ' / λ

= n = 633 / 329

= n = 1.92

The interference, in physics, is the net effect of the combination of two or more wave trains moving on intersecting or coincident paths. The effect is that of the addition of the amplitudes of the individual waves at each point affected by more than one wave.

Thus the substance is zircon.

To know more about Interference Effect:

https://brainly.com/question/10599901

#SPJ4

Punching a bag is a suitable example of the situation when the force applied to change shape of an object.

Exaggerated feelings of self-importance are most closely linked with narcissism. Narcissism is a personality trait characterized by an inflated sense of self-worth, an excessive need for admiration, and a lack of empathy towards others.

Individuals with narcissistic traits often believe they are superior to others, crave attention and validation, and have a grandiose self-image.

They may engage in self-promotion, seek constant admiration, and exploit others for personal gain. Narcissism is associated with a sense of entitlement, a tendency to manipulate and exploit others, and a lack of empathy or concern for the well-being of others.

While a certain level of self-confidence and self-esteem is healthy, excessive narcissism can negatively impact relationships, lead to interpersonal conflicts, and hinder personal growth and development.

To know more about Narcissism refer here

https://brainly.com/question/31723418#

#SPJ11

According to the question ,On writing 0.51 in scientific notation , the value of a is 5.1 and value of k is -1 .

When a number outside 1 and 10 is scaled by a power of 10, the result is represented in scientific notation.

Simply put, scientific notation is a means to write numbers. Due to its lower length, increased efficiency, and straightforward magnitude indication, it is particularly helpful when expressing extremely big or extremely small quantities. A decimal portion multiplied by an integer number of ten can be used to represent any real number.

To learn more about scientific notation visit:

https://brainly.com/question/4953486

#SPJ4

Answer:

The noble gases are a group of chemical elements that make up Group 18 on the periodic table. These gases all have similar properties under standard conditions: they are all odorless, colorless, monatomic gases with very low chemical reactivity.

In the - decay of 99mo, the energy released in the - decay of 99Mo is approximately 4.419 x 10⁻¹² joules (J).

The - decay of 99Mo releases energy in the form of beta particles (electrons) and antineutrinos. The energy released can be calculated using the mass difference between the parent nucleus (99Mo) and the daughter nucleus (99Tc), since the energy released is equal to the mass difference times the speed of light squared (E=mc²).

The mass difference between 99Mo and 99Tc is 0.004658 u. Therefore, the energy released in the - decay of 99Mo is approximately 4.419 x 10⁻¹² joules (J).

More on decay: https://brainly.com/question/16555477

#SPJ11

One artifact that you might see with an array transducer is known as grating lobes.

Grating lobes occur when energy propagates from the transducer in directions other than the primary beam. This phenomenon is more common in array transducers because they consist of multiple individual elements that can emit sound waves independently.

When the elements are not properly driven or when the beamforming process is imperfect, additional beams called grating lobes can form at angles away from the main beam. These grating lobes can result in undesired imaging artifacts, such as false echoes or image distortion, as they can generate additional acoustic energy in unintended directions.

The presence of grating lobes can be problematic in medical ultrasound imaging, as it can lead to reduced image quality and accuracy. Techniques such as apodization and focusing algorithms are employed to mitigate grating lobes by optimizing the element excitation and beamforming processes.

To learn more about beam click here; brainly.com/question/31324896

#SPJ11

The change in potential energy is -0.7065J

Given,

number of turns in the loop is N = 50

radius of the loop is r = 10cm = 0.1m

current through it i = 3A

the magnetic field is 0.3T

This question is solved by using the formula of magnetic potential energy.

Magnetic PE is defined as

U = -μ.B = -μBcosΘ

where μ is the magnetic moment and is defined as μ = NiA

where A is an area of the loop.

when the loop is at an angle of Θ with the magnetic field then its energy is

U₀ = -μBcos Θ

and when it is in a stable equilibrium position i.e it is parallel with the

magnetic field so that the angle Θ = 0° now U' = -μBcos Θ = -μB

so change in magnetic PE is

AU = U' - U₀ = -μB + μBcosΘ = μB(cos Θ - 1)

The magnetic PE is defined as U = - μ. B = -μBcos Θ

The magnetic moment of the loop is μ = NiA

substitute the values

A = 50 x (3A) X T X (0.1)2

A = 4.71Am²

so change in PE is

ΔU - μB(cos Θ - 1)

= - (4.71Am²) (0.3T)(cos 60 - 1)

= -0.7065J

negative sign shows that the dipole is in stable equilibrium(minimum PE).

The unit of magnetic potential energy is Joule (J).

Learn more about magnetic potential energy here:

https://brainly.com/question/29213676

#SPJ4