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3 years ago

What is the average velocity of the object?

Physics

1 answer:

Andrej [43]3 years ago

3 0

Answer:the rate changes during the position of the object

Explanation:so there is no object that has the same rate but unless it is a specific one like a care but it changes during the position of the object

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How would you best define moving charges

svet-max [94.6K]

Current.A moving charge is an object that changes position to one particular obsever.

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3 years ago

What is used as evidence for sea-floor spreading?

raketka [301]

Answer:

Sea-floor spreading occurs in the oceanic ridges. In there, volcanic activity, together with the gradual movement of the bottom, form new oceanic crust. This allows a better understanding of the continental drift explained by the theory of plate tectonics.

The greatest evidence for Sea-floor spreading is the oceanic trenches, the oceanic ridges, the magma protruding to the surface and the new seafloor.

In previous theories, continents were assumed to be transported across the sea. Harry Hess, in the 1960s, proposed the idea that the seabed itself moves as it expands from a central point. The theory is now accepted, and the phenomenon is thought to be caused by convection currents in the upper layer of the mantle.

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4 years ago

Read 2 more answers

A small rock with mass 0.20 kg is released from rest at point A, which is at the top edge of a large, hemispherical bowl with ra

abruzzese [7]

Answer:

0(zero)

Explanation:

Given that $m$ =0.20kg, radius of the bowl, $R=050m$ and that the mass slides from point A to B.

-Since the normal force is perpendicular to the displacement at every point of the motion,then work done by the normal force is zero.

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3 years ago

PLS HELP!! IN QUIZ RN!

kakasveta [241]

Answer:

D Energy Transformation

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3 years ago

This model shows a ball being shot from the cannon. Which of these statements accurately describes the energy of the cannonball?

Fudgin [204]

The potential energy of the model will be the greatest at point C while it will be the least at point E. Option B and D are correct.

<h3>What is potential energy?</h3>

The potential energy of an object is due to its position. It can be given as the formula,

$U = mgh$

Where,

$U$ - potential energy

$m$ - mass

$g$ - gravitation acceleration

$h$ - height

From the formula since the mass and gravitation acceleration is constant, the potential energy of the model will depend upon the height only.

The potential energy will be greatest at point C because the relative position of the ball is the highest from the earth.

The potential energy will be lowest at point E because the height of the ball is the least in this position.

Therefore, the potential energy of the model will be the greatest at point C while it will be the least at point E.

Learn more about kinetic energy:

brainly.com/question/26320744

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3 years ago