3 years ago

In which of these ways can volcanoes help build up land?

Physics

1 answer:

irga5000 [103]3 years ago

5 0

The answer would be D. by adding lava to the Earth’s surface. When it hardens this can make rocks.

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When a car drives over a speed bump and oscillates up and down in simple harmonic motion, at which position during the motion is

Oksana_A [137]

Using the second Law of Newton, F = m * a, you know that acceleration is maximum when the force is maximum.

Using Hooke's Law, F = K Δx, you know that the force is maximum when the displacement from the equilibrium (Δx) is maximum.

So the answer is that the acceleration is maximum at the maximum amplitude x = a.

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3 years ago

Which of the following statements is correct about the force of gravity between two objects? (a)It depends on the shape of the o

morpeh [17]

Answer:

(D) It is stronger when the objects are closer.

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3 years ago

N 1800kg car has an of 3.8m/s? What is it on the car? acceleration force acting

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Answer:

6840 N

Explanation:

The force acting on the car can be found by using Newton's second law:

F = ma

where

F is the net force on the car

m is the mass of the car

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For the car in this problem,

m = 1800 kg

$a=3.8 m/s^2$

Substituting,

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2 years ago

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Aneli [31]

Gender and self esteem is the answer

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3 years ago

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