a conducting loop lies flat on a tabletop in a region where the magnetic field vector points straight up. the magnetic field increases in strength continuously. when viewed from above, what is the direction of the induced current in this loop as the field changes?

A ball is thrown vertically upward from the surface of the earth. both velocity and speed will become zero at highest point. so correct option is c. 1 and 2

Speed is a scalar quantity and velocity is a vector. Speed only determines the magnitude that is how fast is a body moving whereas velocity determines the direction also that is in which direction the body is moving. Speed is the rate of change of distance whereas velocity is the rate of change of displacement.

Velocity is a measure of how fast something moves in a particular direction. To define it needs both magnitude and direction.

At highest point acceleration is not zero because we have acc due to gravity acting downwards.But since velocity and speed is zero the ball reaches the ground back

learn more about speed and velocity:

https://brainly.com/question/21729272

#SPJ4

Answer:

Virtual, erect, and equal in size to the object. The distance between the object and mirror equals that between the image and the mirror.

The barometric pressure in centimeters of water (cmH₂O) if a mercury barometer reads 803 mmHg and the density of mercury is 13.5 g/mL and the density of water is 1.00 g/mL is 1033.25 cmH₂O.

1. Convert 803 mmHg to cmH₂O using the conversion factor 1 mmHg = 1.36 cmH₂O.

803 mmHg × 1.36 cmH₂O/mmHg = 1092.08 cmH₂O.

2. Determine the pressure due to the mercury column using the density of mercury and the height of the mercury column. The height of the mercury column is the same as the pressure reading in mmHg.

Pressure = density × gravity × height. 13.5 g/mL × 9.81 m/s² × (803 mmHg ÷ 760 mmHg/atm) × (1 atm/101325 Pa) = 101.47 kPa.

3. Determine the pressure due to the air above the mercury column. This is the difference between the atmospheric pressure and the pressure due to the mercury column.

Atmospheric pressure = 1 atm = 101.325 kPa.

Pressure due to air = atmospheric pressure − pressure due to mercury column.

Pressure due to air = 101.325 kPa − 101.47 kPa = −0.145 kPa.

4. Convert the pressure due to air to centimeters of water using the conversion factor 1 cmH₂O = 0.098 kPa. −0.145 kPa × (100 cmH2O/0.098 kPa) = −148.47 cmH2O.5.

Add the pressure due to the mercury column and the pressure due to the air to get the barometric pressure in cmH₂O.

Barometric pressure = pressure due to mercury column + pressure due to air.

Barometric pressure = 1092.08 cmH₂O + (−148.47 cmH₂O) = 943.61 cmH₂O.

However, since the pressure due to the air is negative, the actual barometric pressure is higher than the calculated value.

The correct answer is 1092.08 cmH₂O − 148.47 cmH₂O = 943.61 cmH₂O + 1090.86 cmH₂O = 1033.25 cmH₂O.

Learn more about density at

https://brainly.com/question/13929994

#SPJ11

Answer : H20

Explanation:

The average speed of the ball is 0.15 m/s.

The average speed of the ball can be calculated using the formula below.

This is the ratio of the total distance to the total time traveled by a body

From the question,

Substitute these values into equation 1

Hence, the average speed of the ball is 0.15 m/s.

Learn more about average speed here: https://brainly.com/question/4931057

Our "cosmic address" from small to large are earth, solar system, milky way galaxy, local group, local supercluster, universe (option A)

The "smallest" is earth, it is the planet where we live and the third of the eight planets in the solar system.

The solar system is a collection of celestial bodies consisting of a star called the sun and all the objects that are bound by its gravitational force. And the milky way galaxy is the galaxy that contains our solar system. It is a barred spiral galaxy 100,000-120,000 light years in diameter containing 100-400 billion stars.

The local group is the group of galaxies that includes the milky way among others. It consists of more than 54 galaxies, including dwarf galaxies.

The local supercluster is one of the largest known cosmic structures in the universe. They are large, threadlike formations, with a typical length of 50 to 80 megaparsecs h-1, which form the boundaries between the great voids in the universe.

The universe is isotropic, the distance to the edge of the observable universe is approximately the same in all directions. That is, the observable universe is a spherical (spherical) volume centered on the observer, regardless of the shape of the universe as a whole.

Learn more about milky way galaxy here: https://brainly.com/question/13485795

#SPJ4

Answer:

Our "cosmic address" from small to large are earth, solar system, milky way galaxy, local group, local supercluster, universe (option A)

Answer:

???

Explanation:

The claim that there is at least one number that is three greater than twice its fifth power can be proven using the Intermediate Value Theorem.

To apply the Intermediate Value Theorem, we need to show that the function f(x) = \(2x^5\)+ 3 is continuous on a closed interval [a, b] and takes on both positive and negative values.

1. Continuity:

The function f(x) = \(2x^5\) + 3 is a polynomial function, and polynomial functions are continuous for all real numbers. Therefore, f(x) is continuous on the entire real number line.

2. Positive and Negative Values:

To show that f(x) takes on both positive and negative values, we can consider the limits of f(x) as x approaches positive and negative infinity:

- As x approaches positive infinity, the term \(2x^5\) dominates the function, and f(x) approaches positive infinity.

- As x approaches negative infinity, the term \(2x^5\) dominates the function, and f(x) approaches negative infinity.

Since f(x) approaches both positive and negative infinity as x approaches infinity and negative infinity respectively, it must take on all values in between, including positive and negative values.

By the Intermediate Value Theorem, since f(x) is continuous on the real number line and takes on both positive and negative values, there must exist at least one number c for which f(c) = 0. In other words, there is at least one number that is three greater than twice its fifth power.

In conclusion, by satisfying the hypotheses of the Intermediate Value Theorem, we can prove the claim that there is at least one number that is three greater than twice its fifth power.

To know more about polynomial function refer here:

https://brainly.com/question/30474881#

#SPJ11

The formula for calculating density is expressed as

Density = mass/volume

From the information given,

mass of empty pycnometer = 10.2

mass of the same pycnometer with an unknown liquid is 21.8.

Mass of unkown liquid = 21.8 - 10.2 = 11.6

volume of unknown liquid = 7

Thus,

Density = 11.6/7

Density = 1.7 g/ml

The answer is that the period of the simple pendulum on Mars is 2.66 s. The period of a simple pendulum on Mars is to be determined, given that the period on Earth is 1.72 s and the acceleration due to gravity on Mars is 3.71 m/s².

We know that the time period of a simple pendulum is given as:

`T=2π√(l/g)`Where, T is the time period of the pendulum, l is the length of the pendulum, g is the acceleration due to gravity

We also know that, `g_mars/g_earth = (R_earth/R_mars)^2`, Where, g_mars and g_earth are the acceleration due to gravity on Mars and EarthR_earth and R_mars are the radius of the Earth and Mars respectively

We can use the above equation to determine g_mars.

Step 1: Determine g_mars/g_earth: `g_mars/g_earth = (R_earth/R_mars)^2`⇒`g_mars/g_earth = (6378.1/3389.5)^2`⇒`g_mars/g_earth = 3.73`

Therefore, acceleration due to gravity on Mars, `g_mars = 3.73 × 9.8 = 36.6 m/s²`

Step 2: Determine the period on Mars: We know that,`T=2π√(l/g)` Given that the length of the pendulum remains constant, we can use the following equation to determine the period of the pendulum on Mars.`

T_mars/T_earth = √(g_earth/g_mars)`

Therefore,`T_mars/T_earth = √(9.8/3.71)`

From the above equation, we can determine `T_mars` by substituting `T_earth = 1.72 s`. `T_mars = T_earth × √(g_earth/g_mars)`

Putting the given values,`T_mars = 1.72 × √(9.8/3.71)`

Therefore,`T_mars = 2.66 s`

Therefore, the period of the simple pendulum on Mars is 2.66 s.

Learn more about the time period of a pendulum here: https://brainly.com/question/29813582

#SPJ11

(a) The isentropic nozzle outlet temperature will be higher than a nozzle with some irreversibility in a turbojet

If the nozzle on a turbojet engine is isentropic, it means that the process of the gas flow through the nozzle is reversible and adiabatic. This implies that there is no entropy generation during the expansion of the gas through the nozzle. In other words, the isentropic nozzle is a theoretical ideal case where the gas undergoes a perfect adiabatic expansion.

In contrast, a nozzle with some irreversibility, such as friction or heat transfer to the surroundings, will generate entropy during the expansion of the gas through the nozzle. This means that the temperature at the outlet of the nozzle will be lower than that of the isentropic nozzle, because some of the energy is lost due to the irreversibility.

Therefore, the correct answer is (a) the isentropic nozzle outlet temperature will be higher than a nozzle with some irreversibility. This is because in an isentropic nozzle, the gas expansion is adiabatic and reversible, so there is no loss of energy due to irreversibility, and the gas will exit the nozzle at a higher temperature than in a nozzle with some irreversibility.

Learn more about turbojet here:

https://brainly.com/question/1449210

#SPJ4

The density of the scattering material and the atomic number of the material may affect the probability of scattering but do not directly influence the change in wavelength. So the correct answers are A and B.

In the Compton effect experiment, the change in a photon's wavelength depends on the scattering angle and the initial wavelength of the photon. The Compton effect is the result of the interaction of a photon with a charged particle, typically an electron. When a photon collides with an electron, it transfers some of its energy to the electron, causing the photon to scatter at a different angle and with a different wavelength. The amount of energy transferred to the electron depends on the initial energy of the photon, which is related to its wavelength, and the angle of scattering. The final wavelength of the scattered photon can be calculated using the initial wavelength and scattering angle. The density of the scattering material and the atomic number of the material may affect the probability of scattering but do not directly influence the change in wavelength. (Option A & B)

For such more questions on wavelength

https://brainly.com/question/4881111

#SPJ11

Answer:

Point number 3.

Explanation:

Volcanism can be studied to found out evidence of the internal structure of the Earth.

Answer:

Volcanism

Explanation:

Answer:

in electric lamp

Electric Energy to Heat and Light Energy

Explanation:

Answer:

Ex: an electric fan transforms electric energy to kinetic energy

Or

Chemical energy to heat and light energy

Explanation:

Hope this helps

Answer:

Given,

Object distance, u=25cm

Focal length, f=20cm

From mirror formula

f

1

​

=

v

1

​

+

u

1

​

−20

1

​

=

v

1

​

−

25

1

​

⇒

v

1

​

=−

20

1

​

+

25

1

​

v=100cm

The image will be real, inverted magnified

Explanation:

Given,

Object distance, u=25cm

Focal length, f=20cm

From mirror formula

f

1

​

=

v

1

​

+

u

1

​

−20

1

​

=

v

1

​

−

25

1

​

⇒

v

1

​

=−

20

1

​

+

25

1

​

v=100cm

The image will be real, inverted magnified

D, invisible is not a way light can be transmitted.

Light can be transmitted through a medium such as air, water, glass, or a vacuum. When light is transmitted, it passes through the medium without being absorbed or reflected, allowing it to be seen on the other side of the medium. Transmission of light can occur in a straight line or can be refracted or diffracted, depending on the properties of the medium it is passing through.

Light can be absorbed by a material, which means that the energy of the light is transferred to the material. When this happens, the material may become excited, and the energy can cause a change in the material, such as heating it up, causing it to emit light, or causing a chemical reaction.

Learn more on light transmission here: https://brainly.com/question/1757938

#SPJ1

The given statement is true as the its cohesive forces are greater than the adhesive forces.

Water beads up on wax paper because the cohesive forces between water molecules are greater than the adhesive forces between water and the wax paper surface. The cohesive forces between water molecules cause them to stick together, forming a droplet shape. The adhesive forces between the water and the wax paper surface are not strong enough to overcome the cohesive forces within the water droplet, so the droplet beads up into a ball.

This is because the cohesive forces between water molecules are strong due to the hydrogen bonds that form between them. Meanwhile, the adhesive forces between the water and the wax paper surface are weaker because the surface of the wax paper is hydrophobic (water-repelling) due to its non-polar nature.

learn more about cohesive forces here :

brainly.com/question/30124755

#SPJ4

Answer : the first product for carbon dioxide is C2CNT. Product: Carbon nanotubes, carbon fiber. the second product for hydrogen is fertilizer. a product for oxygen is water. the reactants of carbon dioxide is carbon dioxide (CO2), water (H2O), and usable energy.  the reactants of hydrogen is Both hydrogen and oxygen gases exist as diatomic (“two-atom”) molecules. the reactants of  oxygen is oxygen gas and the 2 in front of the water vapor are called the reaction coefficients.

Explanation: your welcome everyone!