When the Northern hemisphere is tilted towards the sun, it is ___ in the northern hemisphere and ___ in the southern hemisphere

Answers

Answer 1

Summer in the northern

Winter in the southern


Related Questions

In an aqueous solution where the H+ concentration is 1 x 10-6 M, the OH concentration must be:

A. 14 x 10-6 M

B. 1 x 10-6 M

C. 1 x 10-7 M

D. 1x 10-8 M

E. 14 x 10-8 M

Answers

Answer:

D. 1×10⁻⁸ M

Explanation:

[H⁺] [OH⁻] = 10⁻¹⁴

(1×10⁻⁶) [OH⁻] = 10⁻¹⁴

[OH⁻] = 1×10⁻⁸

The concentration of hydroxyl ion will be  [tex]10^{-8}[/tex]M.

What is concentration?

The amount of a chemical substance in a mixture is expressed by the substance's concentration.

Calculation of concentration.

Given data:

Concentration of H+ =  1 x [tex]10^{-6}[/tex] M.

It is known that,

[[tex]H^{+}[/tex]][[tex]OH^{-}[/tex]] = [tex]10^{-14}[/tex]M

Now, put the value of concentration of [[tex]H^{+}[/tex]] in above equation.

[1× [tex]10^{-6}[/tex]][[tex]OH^{-}[/tex]] =  [tex]10^{-14}[/tex]M

[[tex]OH^{-}[/tex]]  =   [tex]10^{-14}[/tex] / [1× [tex]10^{-6}[/tex]]M

[[tex]OH^{-}[/tex]]  = [tex]10^{-8}[/tex]M

Therefore, the concentration of hydroxyl ion will be  [tex]10^{-8}[/tex]M.

Hence, the correct answer will be an option (D).

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I need help with all these. Number them pleaseee

Answers

1. While descending in an elevator your body (and blood within it) is travelling downwards. If the body stops suddenly the inertia of the blood will try to maintain its motion, so blood will rush from the head downwards towards the feet.

2. When the bottle is pushed downwards the ketchup moves with the bottle. When the bottle is stopped by our hand, the inertia of the ketchup keeps it going and out if the bottle.

3. Before the rest-end collision the body (and head) move with the sand velocity. At the moment of impact the body of a person accelerates forward but the head of the person tried to remain with its initial velocity (because of its inertia) and that means the head appears to move abruptly backwards.

4. While skating, both you and the skateboard move with the same velocity. If the skateboard stops suddenly the person’s inertia would make it continue to move forward with its original velocity.

5. When passenger in a car and the car swerves suddenly to the left, your inertia will want to maintain your velocity. You end up hitting the side of the car as it comes towards you.

What is meant by perfect machine​

Answers

Answer:

The term ideal machine refers to a hypothetical mechanical system in which energy and power are not lost or dissipated through friction, deformation, wear, or other inefficiencies. Hope this helped :))

Explanation:

3. What is the acceleration of a 10 kg mass pushed by a 5 N force?

Answers

Answer:

F=ma

Plug it in:

5=10a

5/10=(10a)/10

.5m/s²=a

Explanation:

Brainliest?

Answer:

[tex]\frac{1}{2} \frac{m}{s^2}[/tex]

Explanation:

Recall the equation F = ma. We want to find a, and we already know F and m, so we can plug those in. [tex]5N = 10kg \cdot a -> a = 5N/10kg = \frac{1}{2} \frac{m}{s^2}[/tex]

A package is dropped from a helicopter that is moving upward at 20.0 m/s.
If it takes 18.0s before the package strikes the ground, how high above the ground was the package when it was released?

Answers

Explanation:

We have for velocity of package v= 20 - 9.8t and for distance from the ground y = h + 20t - 4.9t2.We have y = 0 and t = 18.0 s we have h = 4.9·182 - 20·18 = 1227.6 m.Velocity at landing v = 20 - 9.8·18 = - 156.4 m/s

A ball with a mass of 0.5 kg is hit with a force of 2.5 N what is its acceleration?

Answers

Explanation:

50 m/s may squared siya sa dun sa may s

acceleration = force / mass = 2.5 / 0.5 = 5 m/s^2

An object carrying a force of 15N has a mass of 3kg. What is the
acceleration of this object?

Answers

Answer:

the acceleration would be 5kg

Explanation:because you would do 15 divided by 5

In a electrically natural atom of any element there are equal numbers of

Answers

Answer:  Atoms are electrically neutral because they have equal numbers of protons (positively charged) and electrons (negatively charged). If an atom gains or loses one or more electrons, it becomes an ion.

Describe a ways car manufacturers try to reduce drag and why.

Answers

Aerodynamic drag can be reduced by altering the density of the air and the vehicle speed, but these factors are not easily controlled. Instead, to reduce drag, car manufacturers can make the height and width of the front of the car smaller. ... This shape reduces drag and the forces that try to propel the car backwards

Aerodynamics is a way to reduce drag that uses car manufacturers.

What is aerodynamic ?

Aerodynamics is the motion of the air. airplane flies cause of aerodynamics.

Aerodynamics is the study of forces that are resulted by motion of the air.

To reduce the aerodynamic drag further, the manufacturers use character lines on the exteriors of the car's body right from its concept stage. These lines help the air to pass smoothly over the body and thus, reducing the air resistance.

cars have flat vertical face in front. When it moves through air, drag force directly proportional to the velocity applies on the car which opposes motion of the car. after studding aerodynamics when we make triangular like shape to the front body of the car, it cuts the air and front air goes from side of the car which reduces oppose to the motion, and car can have more speed.  

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Which of the following does not affect the solubility of sugar and water

A.crushing up the sugar
B.stirring
C.Temperature
D.adding salt to the water

Answers

B because then the suagr de solves in the water and it dosent show

Joseph drove for 3 hours at the speed of 40 km/h (kilometers per hour) . He changed his speed to 65 km/h for the next 2 hours. How far had Joseph driven in km?

Answers

Answer:

Two hundred fifty kilometer 250 km

At a circus, a human cannonball is shot from a cannon at 15m/s at an angle of 40° above horizontal. She
leaves the cannon 2m off the ground and lands in a net 1m off the ground. What height does she reach?
How much ground distance does she cover?

Answers

Answer:

a

The height is   [tex]H  = 6.74 \  m [/tex]

b

The horizontal distance is  [tex]D  = 23.74 \  m [/tex]

Explanation:

From the question we are told that

  The speed is  [tex]v  =  15 \  m/s[/tex]

  The angle is  [tex]\theta  =  40^o[/tex]

   The height of the cannon from the ground is  h  =  2 m

  The distance of the net from the ground is k  =  1 m

 

Generally the maximum height she reaches is mathematically represented as  

     [tex]H  =  \frac{v^2 sin^2 \theta }{2 *  g }  +  h[/tex]

=>    [tex]H  =  \frac{(15)^2 [sin (40)]^2 }{2 * 9.8}  +  2[/tex]

=>    [tex]H  = 6.74 \  m [/tex]

Generally from kinematic equation  

    [tex]s = ut + \frac{1}{2} at^2[/tex]

Here s is the displacement which is mathematically represented as

         s  =  [-(h-k)]  

    =>  s =  -(2-1)

    =>  s  = -1 m

There reason why s =  -1 m is because upward motion canceled the downward motion remaining only the distance of the net from the ground which was covered during the first half but not covered during the second half

     a =  -g = -9.8

    [tex]u  =  v sin (\theta)[/tex]

So

    [tex]-1 = (vsin 40 )t + \frac{1}{2} * (-9.8) t^2[/tex]

=>  [tex]-4.9t^2 + 9.6418t + 1 = 0[/tex]

using  quadratic formula to solve the equation we have

    [tex]t  =  2.07 \  s[/tex]

Generally distance covered along the horizontal is  

   [tex]D  =  v cos (40) *  2.07[/tex]

=>   [tex]D  =  15 cos (40) *  2.07[/tex]

=>   [tex]D  = 23.74 \  m [/tex]

3.The melting point of lead is 327.5 °C. Which of the following statements is correct? (1 Point) A)Lead is a gas at 280 °C B)Lead is a solid at 310 °C C)Lead is a liquid at 300 °C D)Lead is a solid at 390 °C

Answers

Answer:

B)Lead is a solid at 310 °C

Explanation:

The melting point of a substance refers to that temperature in which the substance changes state from solid to liquid. The melting point of a substance, which is usually a temperature value, is that actual temperature the change of state occurs.

According to this question, the melting point of Lead (Pb), which is naturally a solid metal, is 327.5°C. This means that LEAD (Pb) will only change to its liquid state at exactly 327.5°C and above. Therefore, at a temperature of 310°C, which is lower than lead's melting point, Lead element will still be a solid.

Answer: The correct answer is B. Lead is a solid at 310

Explanation:


Which change in the medium will likely cause the speed of light waves to decrease?
moving from a solid to a gas
moving from a liquid to a gas
moving from a gas to a liquid
moving from a solid to a liquid

Answers

Answer:Explanation:moving from a solid to a liquid

Answer:

D

Explanation:

true or false
Impulse is defined as the force exerted on an object times the time it lasts.

Answers

Answer: true

Explanation:   when two objects collide and completely bounce apart with no lasting deformation or generation of heat, the collision is said to be elastic.

have a good day!! please mark me brainliest

What force is needed to accelerate a 75 kg boy 3 m/s squared on a bike?

Answers

Answer:

The answer is 225 N

Explanation:

The force acting on an object given it's mass and acceleration can be found by using the formula

force = mass × acceleration

From the question we have

force = 75 × 3

We have the final answer as

225 N

Hope this helps you

erson jogs 3.5 kilometers in 35 minutes, then 1.5 kilometers in 20 minutes, and finally 1.2 kilometers in 22 minutes. What is the jogger's average speed in km/min?

Answers

Answer:

3.5+35

1.5+1.2

20+22

42 + 16

= 58 ¹²

A car moves a distance of 2400 meters in 55 seconds What is the speed of
the car?

Answers

[tex]v = \frac{covered \: distance}{time \: of \: the \: covered \: distance} \\ [/tex]

[tex]v = \frac{2400}{55} \\ [/tex]

[tex]v = \frac{24 \times 100}{5 \times 11} = \frac{24 \times 20}{11} = \frac{480}{11} \\ [/tex]

[tex]v = 43.63 \: \: \frac{m}{s} [/tex]

_________________________________

And we're done...

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Answer:

The average speed is about 44 m/s

Step by Step:

[tex]S= \frac{distance}{time}\\ d= 2400m\\t = 55 seconds\\\\\frac{2400m}{55 seconds}\\\\= approximately\\ 44 m/s[/tex]

I hope you found this helpful

A cannonball is launched at ground level at an angle of 30° above the horizontal with
an initial velocity of 26 m/s. How far does the cannonball travel horizontally before it
reaches the ground?
Vi =26m/s g = 9.8m/s^2 vf=0
30°

Answers

Use the kemetic equation

The cannonball travels horizontally before it reaches the ground at an angle of 30° above the horizontal with an initial velocity of 26 m/s is 59.73 meters.

What is velocity?

When anything is moving, its velocity tells us how quickly that something's location is changing from a certain vantage point and as measured by a particular unit of time.

If a point travels a specific distance along its path in a predetermined amount of time, its average speed throughout that time is equal to the traveled distance divided by the travel time. For instance, a train traveling 100 km in two hours is moving at an average speed of 50 km/h.

Given:

The initial velocity of a cannonball, u = 26 m/s,

Calculate the range of the cannonball by following the formula,

R = [tex]u^2[/tex]sin2θ / g

Here R is the range, and θ is the angle of projection.

Substitute the values,

R = [tex]26^2[/tex] sin2*30 / 9.8

R  = 59.73 meters

Therefore, the cannonball travels horizontally before it reaches the ground at an angle of 30° above the horizontal with an initial velocity of 26 m/s is 59.73 meters.

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What do the words "distance", "force", and "work" have to do with each other?

Answers

Answer: the force applied to the object and the distance the object move Work can be calculated with this equation: Work equals Force x Distance.

Explanation:

If your awesome, click here and be the first, to be the brainest

Answers

Answer:

im awesomeee

Explanation:

.

Answer:

Doubt I'll be first but imma try

Explanation:

A ball is thrown horizontally from a height of 1 m and lands 5 m away. What is the time of flight of the ball?

Answers

Answer:

The time of flight of the ball is approximately 0.4515 s

Explanation:

The given information are;

The vertical height, s = 1 m

The horizontal distance travelled, x = 5 m

The direction of the initial velocity = Horizontal

Given that the vertical height is known and the ball is in free fall, the time of flight, t, will depend on the vertical motion of the ball

The equation of motion of the ball can be presented as follows;

s = u·t + 1/2·g·t²

The initial vertical velocity = 0

∴ 1 = 1/2 × 9.81 × t²

t² = 1/(1/2 × 9.81 ) ≈ 0.20387 s²

t = √0.20387 = 0.4515 s

The time of flight of the ball ≈ 0.4515 s.

3. Tyrone wants to determine how fast a bowling ball travels when it is bowled. He uses a stopwatch to
record, in seconds, the time it takes for the bowling ball to reach the pins. Which unit would be most
appropriate to measure the length of the bowling lane?
A. meters
B. kilometers
C. millimeters
D. centimeters

Answers

Meters would be the best way to record the length

The potential energy for a mass on a spring is proportional to the square of which of these quantities?
OA.mass
OB.frequency
OC.period
OD.displacement
O E. velocity

Answers

the answer is displacement

7. The position equation, x = x0 + v0t + 1/2at^2, has three terms. Write down the physical significance for each of the three.​

Answers

Answer:

X0   is the initial position of the object

V0 t   is the displacement of the object in time t due to its initial velocity

1/2 a t^2   is the displacement of the object in time t due to its acceleration

Adding the 3 terms (being careful with signs) gives the final position of the object at time t

1. What are three examples of forces?

Answers

Gravitational force
Electro magnetic force
Normal force
Frictional force
Tension force

Answer: Gravitational force.

Electric force.

Magnetic force.

Nuclear force.

Frictional force.

Explanation: I learned when I had science class.

A crowbar makes our work easier by multiplying effort true or false​

Answers

Answer:

True

Explanation:

A crowbar makes our work easier by multiply effort because it belongs to first class lever.

And first class lever makes work easier by multiplying the effort

When momentum is transferred from one object to another, their combined momentum remains the same. * True or False​

Answers

Answer:

true

Explanation:

hope this helps

With the arrangement of colors of ROYGBIV, what is its arrangement based on its energy?

Answers

Answer:

red,orange,yellow,green,blue,indigo,violet

Explanation:

Answer:

Longest to shortest wavelength or Highest to lowest frequency

Cool down math
Which line has a slope of 1?

Answers

The line that goes up by 1 and right/left by 1. Hope this helps

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