1. If the front of the red car is used as a reference point, how far away is the white van?

Answer:

The magnetic field will be directed away from me into the screen

Explanation:

The force on a positive charge in a magnetic field can be shown by Lorentz right hand rule. If the palm of the left hand is held out with the fingers (representing the field) held parallel to the palm, and the thumb (representing the direction of motion of the positive charge), held perpendicular to the rest of the fingers. The palm will push in the direction of the force on the charge.

Having this in mind, if the thumb points vertically up, with the with the pal facing the left, then the fingers (representing the field) points away from me into the screen.

Explanation:

'noble gases' which are also known as group VIII

Answer:

D) Reduce the internal friction of the engine's parts.

Explanation:

To increase the efficiency of the car's engine, an engineer most like has to reduce the friction within the internal engine parts. Reducing these friction reduces the useful energy lost as heat in these internal parts of the engine, when the engine parts do work against friction to move. In most everyday activities, engines and machines, energy is usually lost as heat due to frictional forces arising from two or more surfaces in contact.

Answer:

D

Explanation:

Answer:

at least 22 inches by 30 inches.

Explanation:

For an attic space, there should be an opening to that space at least 22 inches by 30 inches (22' × 30'), and a clear, unobstructed passageway large enough to allow removal of the mechanical appliance such as an air conditioner unit.

An attic can be defined as a space or room which is found just directly below the roof of a house. An attic is a space that is often used by people to store items. It is also generally being referred to as a garret or sky parlor and sometimes it is called a loft.

According to the 2012 International Residential Code, an attic is required to have an opening space of at least 22 inches wide and 30 inches high.

Explanation:

F = ma

20 N = (4 kg) a

a = 5 m/s²

Answer:

The longer the half-life, the more stable the nucleus is.

Explanation:

Well, you know that nuclear half-life represents the time needed for an initial sample of a radioactive substance to be halved. If this is the case, a long half-life would imply that it takes a very long time for the nuclide to decay to half of its initial mass. This of cource means that it is very stable.

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Answer:

If the half-life is shorter the nucles is more unstable and vice versa

Answer:

Bears are consumers

Explanation:

The above statement shows that bears are consumers. A consumer is an individual or a party who plans to order or use acquired goods,

A consumer is a person or a group who plans to order or utilize acquired goods, products, or services for personal, social, family, domestic, or similar purposes.

Any individual or group who is the final user of a product or service is referred to as a consumer.

A business that purchases a printer for internal usage. The firm that bought the printer is the client, and the employees that use it are the customers. The printer will not be resold by the firm.

Hence the statement shows that bears are consumers.

To learn more about the consumer refer to the link;

https://brainly.com/question/13420317

Answer:

metre (m) - unit of length

kilograms (kg) - unit of mass

second (s) - unit of time

ampere (A) - unit of electrical current

kelvin (K) - unit of temperature

mole (mol) - unit of the amount of substance

Explanation:

Answer:

  v = 15.0 m/s

Explanation:

This is an exercise in kinematics in one dimension

          v² = v₀² + 2 a x

in the exercise indicate that the initial velocity v₀ = 8.00 m / s

the distance traveled during acceleration is x = 40.0 m

let's calculate

          v² = 8² + 2 2 40

          v = √ 224

           v = 14.97 m / s

           v = 15.0 m/s

Answer:

Will result in :Greater Compton scatter interaction

Explanation

This is because The 15% rule states that changing the kVp by 15% has the same effect as doubling the mAs, or reducing the mAs by 50%; that is A 15% increase in kVp has the same effect as doubling the mAs and vice versa but in this case reducing mas causes more Compton scatter because Compton scattering occurs at a lower kvp

Answer:

Explanation:

According to newtons law on gravitation formula, which  we are going to apply,

[tex]F= \frac{Gm1m2}{d^2}[/tex]

Where G represents universal gravitation constant, [tex]6.67*10^-^1^1 N.m^2/kg^2[/tex]

Given data

m1= 90 kg

m2= 60 kg

d= 1 m

Substituting our given data into the formula we have

[tex]F= \frac{6.67*10^-^1^1*90*60}{1^2}[/tex]

[tex]F= \frac{6.67*10^-^1^1*5.4*10^3}{1^2}\\\\F= 36*10^-^9 N[/tex]

The gravitational force between the two people in the football game is 3.6 * 10⁻⁷ N

Newton's law of gravitation states that the force between two objects is directly proportional to the product of their masses and inversely proportional to the square of the distance between them.

F = Gm₁m₂/r²

G is the gravitational constant = 6.67 * 10⁻¹¹ N.m²/kg, m₁ = first mass = 90 kg, m₂ = second mass = 60 kg, r = distance = 1 m

F = Gm₁m₂/r²

F = 6.67 * 10⁻¹¹ N.m²/kg * 90 kg * 60 kg / 1² = 3.6 * 10⁻⁷ N

The gravitational force between the two people in the football game is 3.6 * 10⁻⁷ N

Find out more at: https://brainly.com/question/3715235

Answer:

0°

Explanation:

Every 41,000 years, the axial tilt of the Earth varies by oscillating between 22.1  degrees and 24.5 degrees such that the Earth axis orientation with respect to background stars is relatively constant (change is 0) while rotating over one orbital period which is a duration of 12 months. The effect is that the direction of the North or South pole towards the Sun is dependent on the side of the Earth orbit the Earth is located bringing about seasonal variation.

Explanation:

your formula is here

hope it's helps u

Answer:

Im going to link a picture should help you better then me explaining

Explanation:

Answer:

With a pressure, for instance, of 4 atmospheres, and a volume of 5 liters yields 4 x 5 = 20. Divide the result by the number of moles of gas. If, for instance, the gas contains 2 moles of molecules: 20 / 2 = 10. Divide the result by the gas constant, which is 0.08206 L atm/mol K: 10 / 0.08206 = 121.86.

Answer:

D. Observations of constellations show that stars have moved over time.

Explanation:

A scientific claim is basically an observation in science.

Constellation changes there position over time because of earth's rotation around sun. So, observation of constellations shows that stars have moved over time is a scietific claim. If stars would not move then constellation will not form.

Hence, the correct answer is "of constellations show that stars have moved over time".

Answer: D

Explanation:

Answer:

forces are acting on it

Explanation:

when a body is spinning and is changing its velocity per unit, the body is said to be acted upon by forces which causes the spinning.

a body won't change in velocity unless acted by forces.

for a spinning body, a centripetal and centrifugal forces are part of those forces responsible for the spinning car and causes a shift in its velocity.

Answer:

a) Then net force acting on the wagon  30 [N] in a negative direction to the left

b)Acceleration of the wagon 3 m/s² in a negative direction to the left

Explanation:

The coordinates x and y show the positive direction in x-axis ( to the right) and negative direction to the left. In north-south direction positive y values are to the north and negative values to the south

The free-body diagram shows 4 forces acting

In y-axis:

The weight ( P = m*g =  10 [kg]*9,8 [m/s²] = 98 [N] negative

Normal reaction force  Fn = P = 98 [N]  positive ( surface is frictionless)

∑Fy = 0     P - Fn = 0     P = Fn  = 98 [N]

In x-axis:

Boris pulling force to the right (positive ) 220 [N]

Natasha pulling force to the left ( negative) 250 [N]

∑Fx = m*a

220 [N] - 250 [N]  = 10 Kg * a                      [N] = Kg * m /s²

-30 [kg*m/s²]  = 10 * Kg * a

-30/10  =  - 3  m/s²  = a

Sign (-) means the direction of acceleration vector is to the left (the same direction of the movement )

Then net force acting on the wagon  30 [N] in negative direction to the left

Acceleration of the wagon 3 m/s² in negative direction to the left

Answer: 10 meters/ second squared

Explanation:

started from rest means that its initial velocity is 0

acceleration=(v final - v initial) / time

a= (40 - 0)/4

a= 10

Explanation:

Answer: B

Explanation:

Got it right on edge

Answer:

Concentrate buildings

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Tysm!

Answer:

Explanation:

Mechanical advantage is defined as the ratio of the load to the effort applied to raise the load. If minimal effort is used to overcome a much larger load, that is when we have what is called mechanical advantage i.e a machine has been used to our advantage.

Mathematically, MA =  Load/Effort

Given parameters

Load = 160N

Effort = 40N

Required

Mechanical Advantage

Using the formula above

MA = 160N/40N

MA = 4

advantage

Answer:

1)50000J

2) At the start of the trip

3) At the end of the trip

4) The higher the height above the ground, the higher the potential energy

5) As speed increases, Kinetic Energy increase

Answer:

a) 300 Pa

b) 750 kgm-³

Explanation:

P = F/A

Minimum pressure exerts when the largest area on the surface,

a) P = (0.6 × 10 ) / ( 20×10 × 10^-4)

= 300 Pa

b) D = m/v

= 0.6/ (20 × 10 × 4 × 10^-6)

= 750kgm^-3

Answer:

1) 11.85 m

2) 89300 mm

Explanation:

1) The tortoise starting from point A travels 12 m west and then 150 millimeters (mm) east.

The distance traveled by the tortoise is the differrence between the distance traveled west and the distance traveled east.

Distance traveled west = 12 m

Distance traveled east = 150 mm

But 1 m = 1000 m, Therefore:

Distance traveled east = 150 mm = 150/1000 m = 0.15 m

Distance west the tortoise is from point A = Distance traveled west - Distance traveled east = 12 - 0.15 = 11.85 m

2) 1 cm = 10 m, 1000 mm = 1 m. Therefore:

[tex]145\ cm = \frac{145\ cm * 10\ mm}{1\ cm} = 1450\ mm[/tex]

[tex]80\ m = \frac{80\ m * 1000 mm}{1\ m} = 80000\ mm[/tex]

X  = 80 m+145 cm+7850 mm = 80000 + 1450 + 7850 = 89300 mm

Answer and Explanation: To determine the direction of force, use Right Hand Rule:

Thumb is directed to the current. In this case, to the left;

Palm of the hand towards magnetic field. In this case, since it is Earth's magnetic field, it is pointing towards south;

Then, fingers are in the direction of Force, which is downward.

In conclusion, Force on the wire is directed Downward.

Answer:

what table?

Explanation:

Answer:

-5

Explanation:

Answer:

Satellites are able to orbit around the planet because they are locked into speeds that are fast enough to defeat the downward pull of gravity. ... Satellites do carry their own fuel supply, but unlike how a car uses gas, it is not needed to maintain speed for orbit.

Answer:

The satellites move around the earth because of gravity which builds centripetal force allowing the satellite to stay in the orbit

Answer:

10.6 N

Explanation:

F = ma

8 = m * 4

m = 2 kg

F = 2 * 5.3

F = 10.6 N

Answer:

The current of the solenoid is 0.0129 A.

Explanation:

The movement of the electron within the solenoid in a circle is produced by equaling the magnetic force and the centripetal force, as follows:

[tex] F_{B} = F_{c} [/tex]

[tex] e*v \mu_{0}*n*I = \frac{m*v^{2}}{r} [/tex]

[tex] I = \frac{m*v}{e* \mu_{0}*n*r} [/tex]

Where:

I: is the current

m: is the electron's mass = 9.1x10⁺³¹ kg

v: is the electron's speed = 3.0x10⁵ m/s

μ₀: is the permeability magnetic = 4πx10⁻⁷ T.m/A

n: is the number of turns per unit length = 35/cm

r: is the radius of the circle = 3.0 cm

e: is the electron's charge = 1.6x10⁻¹⁹ C  

[tex]I = \frac{m*v}{e*\mu_{0}*n*r} = \frac{9.1 \cdot 10^{-31} kg*3.0 \cdot 10^{5} m/s}{1.6 \cdot 10^{-19} C*4\pi \cdot 10^{-7} T.m/A*3500/m*0.03 m} = 0.0129 A[/tex]  

Therefore, the current of the solenoid is 0.0129 A.

I hope it helps you!