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vitfil [10]
4 years ago
6

How does exercise affect your heart rate??

Physics
2 answers:
mart [117]4 years ago
8 0
Exercise increases your heart rate, making your blood pump much faster to be able to accommodate your moving body.<span />
Setler [38]4 years ago
6 0
It makes your heart rate go up example like if you were running your heart rate would go up then when you stopped and took a break it’d go down slowly.
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Lava that cools so quickly that ions do not have time to arrange themselves into crystals will form igneous rocks with a _____ t
Alborosie
Lava cools so quickly that ions do not have time to arrange themselves into crystals will form igneous rocks with a glassy texture. Lava is the substance that flows from the volcano's. 
8 0
4 years ago
Which of the following statements about energy is true? I. Kinetic energy cannot be transformed into another type of energy. II.
Mashcka [7]

Answer: B. II and III only

Explanation:

Let’s begin by explianing what energy is: the ability of matter to produce work in the form of movement, light, heat, among others. In this sense, there are several types of energy, but we will talk especifically in this case about <u>kinetic energy</u> and <u>potential energy</u>.

<u>Kinetic energy </u>is the energy an object or body has due to its movement and depends on the mass and velocity of the object or body.

To understande it better: If an object is at rest, its velocity is null and it does not have kinetic energy, however, if the object is moving, then it has kinetic energy.

On the other hand, <u>Potential energy</u> is known as <em>“stored energy”</em> that has the potential to be converted into energy of motion (kinetic energy) or another type of energy (thermal energy, for example). In addition, this energy is related to the work done when a certain force moves an object or body from its natural resting state along a distance to a new position.

So, according to this, Kinetic energy can be transformed into potential energy and Potential energy can be transformed into kinetic energy or any other type of energy. Hence, options II and III are correct.

8 0
3 years ago
Read 2 more answers
The heart has structures that are called_____. This allows the blood to move in one direction.
Anarel [89]

Answer:

valves

The heart has four valves - one for each chamber of the heart. The valves keep blood moving through the heart in the right direction.

5 0
3 years ago
Read 2 more answers
a car moving with a speed of 10 metre per second is accelerator at the rate of 2 metre per second square find its velocity after
STatiana [176]

a = ( v(2) - v(1) ) ÷ ( t(2) - t(1) )

2 = ( v(2) - 10 ) ÷ ( 6 - 0 )

2 × 6 = v(2) - 10

v(2) = 12 + 10

v(2) = 22 m/s

7 0
3 years ago
Which of the following is a pair of vector quantities?
hammer [34]

Answer:

velocity and displacement answer

Explanation:

thanks me

6 0
3 years ago
Read 2 more answers
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