If a car goes five times as fast how much more kinetic energy will it have?

Answers

Answer 1

Answer:
For that answer, we should take a second to look at the formula for kinetic energy:

Kinetic Energy of an object = (mass) x (speed)² .

The important thing to notice is that the KE is proportional to the square of
the speed. So if you multiply the speed by some number, the KE changes
by the square of that number.

Multiplying the speed of the car by 5 gives it (5)² = 25 times as much KE.

Answer 2

Answer: the care will have 25 times as much kinetic energy as before

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Ions can have a positive or negative charge. Please select the best answer from the choices provided T F

Answers

From among the choices provided, the more appropriate
answer is ' T ', the initial letter often used to represent
words that include 'true', 'truth', 'trust', etc., (as well as
'tree', 'train', 'transmit', 'Transylvania', 'trachea', 'travesty',
and 'trick', which are irrelevant to the present discussion).

This response is the most fitting and appropriate, because
the statement that precedes the list of allowable choices is
exemplary in its accuracy and veracity. An ion can, in fact,
have a positive or negative charge, although the same ion
cannot have both.

Imagine you are holding an apple. Does this apple have energy?how do you know?

Answers

-- The apple has heat energy. If its temperature were Absolute Zero,
then the skin on my hand would freeze instantly and fall off.

-- The apple has potential energy, relative to the ground. If I were to
release it out of my hand, gravity would do work on it and pull it with
some speed to the ground, where it would have the kinetic energy to
break some blades of grass and dig a small crater in the soil.

-- The apple has chemical energy which, if I were to expose it to
human digestion and metabolism by eating it, would change to
glucose, soak into my muscles, and make itself available to me
whenever I need vim and vigor, mental alertness, visual acuity,
and the wherewithal to to escape any unexpected beast that might
in turn set upon me with the intention of converting MY entire person
into food energy for its own use.

An object is dropped from a height of 25 meters. At what velocity will it hit the ground?

Answers

You can use Vf^2-Vi^2 = 2ax

Vf^2 - 0 = 2(9.81)(25)

Or you can use energy

mgh = 1/2mv^2

2gh =v^2

Same thing

Solar energy advantages and disadvantages

Answers

large solar panels are expensive

the energy it collects is 100% clean and renewable

doesn't create energy under certain weather conditions

I am one of the most dynamic processes of Earth. I help recycle Earth's materials. I move Earth's crustal plates, creating many different geological surface features. I am also the cause of natural disasters, such as earthquakes and volcanoes. What am I?

Answers

I Can only think of tectonic plates or gravity

Continental Drift.. ✌

A student performs an activity using a sheet of paper, a magnet, and a steel ball. The image shows the setup. The student observes that the steel ball sticks to the magnet even though, the paper is between them. Which factor leads to the attraction of the ball to the magnet. A. The magnet exerts a force on the ball.
B. The magnet attracts paper, which pulls the ball. C. The paper exerts a force on the ball, Which pulls the ball towards the magnet.
D. The size of the ball attracts to the ball towards the magnet.

Answers

A steel ball, a magnet, and a piece of paper are used in an activity by a pupil. The ball is under the influence of the magnet. Therefore, choice A is right.

What is a magnet?

When electric charges move, a phenomenon known as magnetism is produced. These tiny movements can occasionally be found inside a material known as magnets. Magnets and the magnetic fields created by moving electric charges can attract or repel other magnets, which can also change how other charged particles move.

Because they can support a magnetic field that lasts forever, some materials, like iron, are categorized as permanent magnets. These are the magnets that are typically encountered in day-to-day life. Other materials like iron, cobalt, and nickel can be briefly given a magnetic field when placed inside a stronger, bigger magnetic field, but they will eventually lose their magnetic qualities.

To get more information about magnets :

brainly.com/question/2841288

#SPJ2

Answer:b

Explanation:

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