Why is the water vapor fresh water when it rises from the ocean?

Answers

Answer 1

Answer: Because when the water is heated by the sun, the salt sinks to the bottom.

Answer 2

Answer: leaves the salt behind

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At the local grocery store, you push a 14.5-kg shopping cart. You stop for a moment to add a bag of dog food to your cart. With a force of 12.0 N you now accelerate the cart from rest through a distance of 2.29 m in 3.00 s. What was the mass of the dog food?

Answers

Answer:

The mass of the dog food added is 9.03 kg

Explanation:

Given;

mass of the shopping cart, m₁ = 14.5 kg

let the mass of the bag added = m₂

the force applied, F = 12 N

initial velocity of the cart-bag system, u = 0

distance traveled by the system, d = 2.29 m

time of motion of the system, t = 3.0 s

The acceleration of the system is calculated as;

$d = ut + (1)/(2) at^2\n\n2.29 = 0 + ((1)/(2) * 3^2)a\n\n2.29 = 4.5 a\n\na = (2.29)/(4.5) \n\na = 0.51 \ m/s^2$

The total mass of the system (M) is calculated as follows;

F = Ma

M = F/a

M = (12)/(0.51)

M = 23.53 kg

The mass of the dog food added is calculated as;

m₂ = M - m₁

m₂ = 23.53 kg - 14.5 kg

m₂ = 9.03 kg

Name the scientist that showed copernicus's theory of a moving earth reasonable?

Answers

The name of the Scientist that showed Copernicus theory of a moving earth reasonable was Galileo. Hope this helps you.

The scientist was Galileo Galelei

A 1200-kg car pushes a 2100-kg truck that has a dead battery to the right. When the driver steps on the accelerator, the drive wheels of the car push against the ground with a force of 4500 N . What is the magnitude of the force the car applies to the truck?

Answers

Answer:4500 N

Explanation:

Given

mass of truck $(m_t)=2100 kg$

mass of car $(m_c)=1200 kg$

as the car push the ground with a force of 4500 N so the force on the truck should also be 4500 N as they all the force is transmitted to push the truck

and their acceleration is

$a=(4500)/(1200+2100)=1.36 m/s^2$

Final answer:

Based on Newton's third law of motion, if the car is pushing against the ground with a force of 4500N, that same force is what propels the car and any object attached to it, regardless of the object's mass. Therefore, the car also applies a force of 4500N to the truck it is pushing.

Explanation:

The magnitude of force that a 1200-kg car applies to a 2100-kg truck with a dead battery can be calculated using the principles of Newtons's third law of motion which states that for every action there is an equal and opposite reaction. The force exerted by the car on the ground is equal to the force exerted by the ground on the vehicle. If the car's driving force against the ground is 4500N, as per Newton's third law, the ground also pushes the car back with the same force of 4500N. This force is what propels the car and any object it's connected with.

So, when the car is pushing this truck, it applies this same force of 4500N to the truck. Therefore, the magnitude of force the car applies to the truck is 4500N.

Learn more about Newtons's third law of motion here:

brainly.com/question/974124

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Which of the following areas would most likely have the deepest layer of topsoil?

Answers

Desert

The loss of top soil in very dry areas of the world is known as desertification. Desertification is the phenomenon in which land degradation of a very dry region increases and the water bodies typically dries up. This also results in not only loss of vegetation but also animal life. This phenomenon can be caused not only due to climate changes, but also due to human activities.

Answer:

It's C. Grasslands

Explanation: hope it helps ^w^

What effect does adding more loops to the wire coil have on the electromagnet?

Answers

The strength of the electromagnet depends on the magnitude of the current in the wire and the number of turns of wire around the core. If you add more turns to the coil and keep the magnitude of the current constant, the electromagnet becomes stronger.

What does the symbol Li+ represent?

Answers

it means lithium ion.
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