A positively charged particle is moving toward the South in a region of space where there is a magnetic field directed down (toward the ground). In which direction is the magnetic force on the particle?
East
South
Down
North
Up
West

Answer:

A net force greater than 0 is the answer

Explanation:

trust

Answer:

b c

Explanation:

Answer:

the second law states that the force F is the product of an object's mass and its acceleration a: F = m * a. For an external applied force, the change in velocity depends on the mass of the object.

Answer:

Saturn is almost as big as Jupiter despite its smaller mass because Jupiter is a more dense gas giant than Saturn.

Explanation:

To determine the mass of air in the tank, we need to convert the given parameters and apply the ideal gas law. The mass of air in the tank is approximately 5.04 kg.

To determine the mass of air in the tank, we need to consider the ideal gas law and convert the given parameters to appropriate units.

Given:

Volume of air (V) = 2 m³

Temperature (T) = -93°C

Gauge pressure (P) = 1.4 MPa

Local atmospheric pressure (P_atm) = 1 atm

First, let's convert the temperature from Celsius to Kelvin:

T = -93°C + 273.15 = 180.15 K

Next, we need to convert the gauge pressure to absolute pressure by adding the atmospheric pressure:

P_abs = P + P_atm = 1.4 MPa + 1 atm = 2.4 MPa

Now, we can use the ideal gas law equation to calculate the mass of air (m):

PV = nRT

Where:

P = absolute pressure

V = volume

n = number of moles of air

R = ideal gas constant

T = temperature

Rearranging the equation to solve for mass (m):

m = (n * M) / N_A

Where:

M = molar mass of air

N_A = Avogadro's number

To find the number of moles (n), we can use the equation:

n = PV / RT

Given that the molar mass of air is approximately 28.97 g/mol, and the ideal gas constant R is 8.314 J/(mol·K), we can calculate the mass of air.

Calculations:

n = (P_abs * V) / (R * T)

m = (n * M) / N_A

Substituting the values:

n = (2.4 MPa * 2 m³) / (8.314 J/(mol·K) * 180.15 K)

m = (n * 28.97 g/mol) / 6.022 x 10^23 mol⁻¹

Calculating the mass of air (m):

m ≈ 5.04 kg

Therefore, the mass of air in the tank is approximately 5.04 kg.

To know more about parameters, click here https://brainly.com/question/29728062

#SPJ11

The acceleration due to gravity on a planet with 1/2 the mass of Earth and 2 times the radius of Earth would be one fourth of the acceleration due to gravity on Earth.

Acceleration is the rate of change of velocity in a given direction. It is a vector quantity, meaning it has both a magnitude (or amount) and a direction associated with it. Acceleration is caused by forces, such as gravity, friction, engine thrust, or any other unbalanced force. It is measured in meters per second squared (m/s2). Acceleration can also be negative, meaning that it is in the opposite direction of the velocity. When an object is accelerating, its speed is increasing but its direction can be changing or staying the same.

This is because the acceleration due to gravity is inversely proportional to the square of the radius, and directly proportional to the mass. Therefore, the acceleration due to gravity on the planet would be (1/2)(1/4) = 1/8 of Earth's gravity.

To know more about acceleration click-

https://brainly.com/question/460763

#SPJ4

The object was thrown horizontally, its horizontal velocity remains constant at 10 m/s. Therefore, the magnitude of the velocity when it hits the water is also 10 m/s.

When an object is thrown horizontally, its vertical velocity remains constant due to the absence of any vertical force.

Assuming the acceleration due to gravity is approximately 9.8 m/s², we can calculate the object's vertical displacement using the formula:

s = ut + 0.5 * g * t²

where

s = vertical displacement,

u = initial vertical velocity (0 m/s as the object is thrown horizontally),

t = time (5 seconds),

g = acceleration due to gravity (9.8 m/s²).

Substituting the values into the formula:

s = 0 * 5 + 0.5 * 9.8 * (5)²

s = 0 + 0.5 * 9.8 * 25

s = 0 + 122.5

s = 122.5 meters.

Thus, the object's vertical displacement when it hits the water is 122.5 meters.

Since the object was thrown horizontally, its horizontal velocity remains constant at 10 m/s. Therefore, the magnitude of the velocity when it hits the water is also 10 m/s.

To know more about velocity, refer here:

https://brainly.com/question/30559316#

#SPJ11

Nuisance static charges are more likely to occur when the air is dry.

When the air is dry, it is not able to hold a sufficient amount of moisture or humidity. When the moisture content of the air is low, the air has a low electrical conductivity, which increases the likelihood of static charges.Static electricity can be created by the rubbing of two objects. When these objects are separated after rubbing, they are left with a static electric charge. The strength of the electric charge is determined by the materials used to create the two objects. Some materials are better at holding static charges than others.

Dry air only exacerbates the situation. Static charges can be a nuisance for a variety of reasons. They can cause shocks, interfere with electronic devices, and can even cause damage to sensitive equipment. In order to reduce the occurrence of static charges, it is important to ensure that the air in your environment is sufficiently humid. This can be achieved by using a humidifier or by simply placing bowls of water around the room. Additionally, anti-static products, such as sprays and mats, can be used to reduce the occurrence of static charges.

to know more about Static charges visit:

https://brainly.com/question/31537110

#SPJ11

The speed of waves on the string is 480 m/s when 60 cm string is tied at each end and vibrated at 400 hz a standing wave is produced with three antinodes.

To find the speed of waves on the string, we can use the formula:

v = f * λ

where:

v is the velocity of the wave,

f is the frequency of the wave, and

λ is the wavelength of the wave.

In this case, the frequency is given as 400 Hz.

To determine the wavelength, we can use the relationship between the length of the string and the number of antinodes in a standing wave.

A standing wave with three antinodes corresponds to a half-wavelength (λ/2) on the string.

Since the string is tied at each end, the length of the string (L) is equal to the full wavelength (λ).

Therefore, the wavelength is equal to twice the length of the string:

λ = 2 * L = 2 * 60 cm = 120 cm = 1.2 m (converting to meters)

Now we can calculate the velocity of the wave:

v = f * λ = 400 Hz * 1.2 m = 480 m/s

Therefore, the speed of the waves on the string is 480 m/s.

Learn more about waves

brainly.com/question/25954805

#SPJ11

Answer:

Speed = 5 m/s

Explanation:

Distance (d) = 10 m

Time (t) = 2 s

Speed = Distance ÷ Time

Speed = 10 ÷ 2

Speed = 5 m/s

Answer:

Speed = 5 m/s

Explanation:

Distance (d) = 10 m

Time (t) = 2 s

formula: Speed = Distance ÷ Time

Speed = 10 ÷ 2      Speed = 5 m/s

Answer:

LETTER D

HOPE IT HELPSSSSSSS

Answer:

the soft drink will be elevated by the lower arm

Explanation:

The ball at the top of the loop has a gravitational potential energy of 7.55 J.

For more questions on gravitational potential energy

https://brainly.com/question/15896499

#SPJ8

An object 3.4 mm tall is placed 25 cm from the vertex of a convex spherical mirror, the image is located approximately 12.75 cm from the mirror.

We may use the mirror formula for a convex spherical mirror to solve this problem:

1/f = 1/v - 1/u,

Here, it is given that:

Height of the object (h) = 3.4 mm = 0.34 cm (converting to centimeters),

Object distance (u) = 25 cm,

Radius of curvature (R) = 52 cm.

f = R/2.

f = 52 cm / 2 = 26 cm.

1/26 = 1/v - 1/25.

1/v = 1/26 + 1/25.

So,

1/v = (25 + 26) / (26 * 25) = 51 / (26 * 25)

v = (26 * 25) / 51.

v ≈ 12.75 cm.

Thus, the image is located approximately 12.75 cm from the mirror.

For more details regarding mirror, visit:

https://brainly.com/question/13101215

#SPJ4

Answer:

Explanation:

For every action (or force), there is an equal and opposite action (or force).

The observed heart rate of the astronaut traveling at 0.90c would be approximately 30.5 beats per minute.

According to the theory of relativity, time dilation occurs as an object approaches the speed of light. This means that time appears to slow down for objects in motion relative to an observer at rest. As a result, the heart rate of an astronaut traveling in a spaceship at 0.90c (90% of the speed of light) would appear to slow down relative to an observer on Earth.

To calculate the observed heart rate, we can use the time dilation formula:

Observed time = Proper time / Lorentz factor

The Lorentz factor can be calculated as:

Lorentz factor = 1 / sqrt(1 - (v^2/c^2))

Where:

v = velocity of the spaceship (0.90c)

c = speed of light

Let's calculate the Lorentz factor:

Lorentz factor = 1 / sqrt(1 - (0.90c)^2/c^2)

= 1 / sqrt(1 - 0.81)

= 1 / sqrt(0.19)

= 1 / 0.4359

= 2.294

Now, we can calculate the observed heart rate:

Observed heart rate = Proper heart rate / Lorentz factor

= 70 beats/min / 2.294

≈ 30.5 beats/min

Know more about theory of relativity here:

https://brainly.com/question/32093861

#SPJ11

The final velocity of the object is 29.75 m/s.

Acceleration is rate of change of velocity with time. Due to having both direction and magnitude, it is a vector quantity. Si unit of acceleration is meter/second² (m/s²).

The acceleration of the object = 3.5 m/s²

The initial velocity of the object = 0 m/s.

Time interval = 8.5 second.

Hence, form basic kinematics, we can write the final velocity becomes = initial velocity  + acceleration × time interval

= 0 + 3.5 × 8.5 m/s

= 29.75 m/s

Hence,  the final velocity of the object is 29.75 m/s.

Learn more about acceleration here:

brainly.com/question/12550364

#SPJ1

Your question is incomplete but most probably the question was:

What is the final velocity of an object that accelerates from rest at 3.5m/s² for 8.5 s?

Answer:

An electric field is a region around a charged object where the object's electric force is exerted on other charged objects. Electric fields get weaker the farther away they are from the charge. An electric field is invisible. You can use the field line to represent it.

Explanation:

With the use of vertical motion formula, the shirt will take 3 s to reach the top of its arc. And the maximum height reached is 44.7 m

The motion of an object under is the vertical motion of the object under the influence of acceleration due to gravity.

Given that a cheerleader launches a t-shirt from an air gun. The shirt leaves the gun with a speed of 29 m/s.

A. Ignoring air resistance, the time it will take the shirt to reach the top of its arc can be found by using the equation

v = u - gt

Where

Substitute all the parameters into the equation

0 = 29 - 9.8t

9.8t = 29

t = 29/9.8

t = 2.96 s

t = 3 s approximately

B. Ignoring air resistance, if the cheerleader launches with an initial height of 1.75m, let us first calculate the maximum height reached by the shirt by using the formula

v² = u² - 2gH

At maximum height, v = 0

0 = 29² - 2 × 9.8 × H

0 = 841 - 19.6H

19.6H = 841

H = 841/19.6

H = 841/19.6

H = 42.9 m

The maximum height reached = 42.9 + 1.75 = 44.7 m

Therefore, the time taken for the shirt to reach the top of its arc is 3 s  and the maximum height reached is 44.7 m

Learn more about Vertical Motion here: https://brainly.com/question/24230984

#SPJ1

Technology and science support one another's advancement. New technologies are developed using scientific knowledge. New technology frequently enable scientists to examine nature in novel ways and generate novel findings.

By introducing a new area of scientific inquiry, a change in technology can have an impact on our understanding of science. For instance, the development of the microscope allowed biologists to study species that were invisible to the eye, resulting in the development of the field of microbiology.

Building new technologies with the use of scientific information frequently leads to new observations being made about the world, which in turn leads to the development of even more scientific knowledge.

To know more about scientific knowledge visit:-

https://brainly.com/question/10601194

#SPJ1

Answer:

2

Explanation:

A huge enormous gigantic number ... two in every molecule of the stuff !

Answer:

I say that the answer is D all of the above hope this helps ‍♂️

Power quotient of : _____?

Answer :

\(p = \frac{w}{t} \)

P is Power (Watt)

W is Work (Joule)

T is Time (second)

So, it means Work and Time is the quotient of Power. (B)

The advantages of using fiber optic cabling for a network are Immunity to electromagnetic interference and Greater cable distances without a repeater.

The advantages of using fiber optic cabling for a network, as opposed to other types of cabling are:

Immunity to electromagnetic interference: Fiber optic cabling is immune to electromagnetic interference (EMI) because it transmits light instead of electrical signals. This makes fiber optic cabling ideal for use in environments with high levels of EMI, such as near power lines or in industrial settings.

Greater cable distances without a repeater: Fiber optic cabling can transmit data over greater distances without the need for signal boosters or repeaters. This is because the light signals used in fiber optic cabling do not degrade as quickly as electrical signals do over distance. This means that fiber optic cabling can be used to connect devices that are far apart without a loss in signal quality.

Fiber optic cabling is a type of networking cable that is used to transmit data over long distances at high speeds. It consists of a thin strand of glass or plastic fiber that is surrounded by protective insulation and sheathing. The fiber is designed to transmit light signals, which carry the data that is being transmitted.

One of the primary advantages of fiber optic cabling over other types of cabling, such as copper cabling, is its immunity to electromagnetic interference (EMI). EMI is a type of interference that can cause data transmission errors, distortions, or even complete loss of data. It is caused by electromagnetic waves that are produced by various electrical devices, such as motors, generators, and power lines. Since fiber optic cabling transmits data using light signals instead of electrical signals, it is immune to EMI. This makes it an ideal choice for use in environments with high levels of EMI, such as near power lines, in industrial settings, or in areas with high radio frequency interference.

Another advantage of fiber optic cabling is its ability to transmit data over greater distances without the need for signal boosters or repeaters. Copper cabling, on the other hand, is subject to signal degradation over distance, which means that signal quality decreases as distance increases. This means that copper cabling is limited in terms of the distance it can transmit data without the need for signal boosters or repeaters. Fiber optic cabling, on the other hand, can transmit data over much greater distances without the need for signal boosters or repeaters, because the light signals used in fiber optic cabling do not degrade as quickly as electrical signals do over distance. This makes fiber optic cabling ideal for use in large buildings, campuses, or even across entire cities.

In conclusion, fiber optic cabling has several advantages over other types of cabling, such as immunity to electromagnetic interference (EMI) and the ability to transmit data over long distances without the need for signal boosters or repeaters. These advantages make fiber optic cabling an ideal choice for use in a wide range of applications, including telecommunications, data centers, and industrial settings.

Learn more about fiber optic cabling here:

https://brainly.com/question/31314428

#SPJ11

The momentum about point A, per meter of depth, can be calculated using the formula M = F * d * h/3 which is 16 Nm/m. So, the correct answer is A).

To solve the problem, we need to find the moment about point A, which is given by the formula

M = F * d * h/3

where F is the force applied per meter depth, d is the distance from point A to the line of action of the force, and h is the height of the triangular beam.

First, we need to find d, which is the distance from point A to the line of action of the force. From the diagram, we can see that d is equal to the height of the triangle, which is 300 mm or 0.3 m.

Next, we need to find h, which is the height of the triangular beam. From the diagram, we can see that h is equal to the length of the shorter side of the triangle, which is 40 mm or 0.04 m.

Now we can plug in the values into the formula:

M = 10 N/m * 0.3 m * 0.04 m/3

M = 16 Nm/m

Therefore, the moment about point A, per meter of depth, is 16 Nm/m. The correct answer is A) 16 Nm/m.

To know more about momentum

https://brainly.com/question/31969322

#SPJ4

--The given question is incomplete, the complete question is given below " A force F of 10 N is applied in the direction indicated, per meter depth into page). The 300 mm long triangular beam is Aluminum, 1100 series, and extends 2 meters into the page. What is the moment about point A, per meter of depth? The system is on Earth, at sea level, gravity acts in the direction of F. Note: The centroid of a triangle is located at h/3. shorter side of triangle is 40.

O A: 16 Nm/m O B: 19 Nm/m O C: 24 Nm/m OD: 27 Nm/m"--

The work you must do to push the block across the table is 44.1 J and power output while pushing the block is 14.7 W.

To calculate the work done, we first need to find the force required to overcome the friction between the steel block and the table. Since the block is moving at a steady speed, the force you apply is equal to the frictional force. We can use the formula:
Force = friction_coefficient * mass * gravity
For steel on steel, the friction_coefficient is approximately 0.15.

The mass is 10 kg,

and gravity is approximately 9.8 m/s².

Therefore:
Force = 0.15 * 10 * 9.8

= 14.7 N
Next, we need to find the distance the block has traveled in 3.0 seconds. Since the block is moving at a constant speed of 1.0 m/s, we can use the formula:
Distance = speed * time = 1.0 m/s * 3.0 s = 3.0 m
Now we can calculate the work done:
Work = Force * Distance = 14.7 N * 3.0 m = 44.1 J (joules)
So, the work you must do to push the block across the table is 44.1 J.

To calculate your power output, we can use the formula:
Power = Work / Time

= 44.1 J / 3.0 s

= 14.7 W (watts)
Your power output while pushing the block is 14.7 W.

For more such questions on power output , Visit:

https://brainly.com/question/866077

#SPJ11

Answer:

490 N

Explanation:

Fnet = ma

       = 65*6

       = 390 N

Net force is applied force (Fapp) and friction force (Ff) in the opposite direction.

Fnet= Fapp - Ff

390=x-100

x=490N

Answer:

36

Explanation:

2=24

24÷2=1

1=12

12*3=36

Ratio is from pigs to horses so:

Let no. of pigs be x

= 2:3 :: x:24

= 2/3 = x/24

= 2 × 24 = 3x

= 48/3 = x

= 16 = x

So the no. of pigs in farm - 16.