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vitfil [10]
2 years ago
9

Which is a long-term benefit of increased physical activity?

Physics
1 answer:
Veseljchak [2.6K]2 years ago
3 0

According to the research, the correct option is C. It makes bones and muscles stronger is a long-term benefit of increased physical activity.

<h3>What is physical activity?</h3>

It refers to the set of movements and actions that work the muscles, promoting energy consumption, therefore, performing physical activity frequently is essential for maintaining health.

These physical activities consume many calories and help the person not to be overweight, improving the elasticity of muscles and joints, increasing lung capacity and reducing the risk of cardiovascular disease.

Therefore, we can conclude that according to the research, the correct option is C. It makes bones and muscles stronger is a long-term benefit of increased physical activity.

Learn more about benefits of physical activity here: brainly.com/question/3478611

#SPJ1

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1. The illuminance on a surface is 6 lux and the surface is 4 meters from the light source. What is the intensity of the source?
Crank

<u>Answer</u>

1) A. 96 Candelas

2) A. Both of these types of lenses have the ability to produce upright images.

3) C. 5 meters


<u>Explanation</u>

Q1

The formula for calculation the luminous intensity is;

Luminous intensity = illuminance × square radius

Lv = Ev × r²

= 6 × 4²

= 6 × 16

= 96 Candelabra

Q2

For converging lenses, an upright image is formed when the object is between the lens and the principal focus while a diverging lens always forms and upright image.

A. Both of these types of lenses have the ability to produce upright images.

Q3

Luminous intensity = illuminance × square radius

square radius = Luminous intensity/ illuminance

r² = 100/4

= 25

r = √25

= 5 m




5 0
4 years ago
Read 2 more answers
Jeff is listening to the radio. He knows that the radio produces sound energy because
Likurg_2 [28]

Answer:

A.  he can hear music coming from the radio.

Explanation:

Jeff knows that the radio produces sound energy because he can hear music coming from the radio.

The music from the radio is a form of sound energy.

  • Sound energy is a form of energy dissipated from a body and can be discerned by humans.
  • Sound is a mechanical wave that requires a material medium for its propagation.
  • It travels by series of rarefaction and compression along its path of motion.
  • Since sound energy is an energy in motion, it is a kinetic energy.
  • It travels parallel to its source and therefore, it is a longitudinal wave.
8 0
3 years ago
The area of the piston to the master cylinder in a hydraulic braking system of a car is 0.4 square inches. If a force of 6.4 lb
Anit [1.1K]

Answer:

The force applied on one wheel during braking = 6.8 lb

Explanation:

Area of the piston (A) = 0.4 in^{2}

Force applied on the piston(F) = 6.4 lb

Pressure on the piston (P) = \frac{F}{A}

⇒ P = \frac{6.4}{0.4}

⇒ P = 16 \frac{lb}{in^{2} }

This is the pressure inside the cylinder.

Let force applied on the brake pad = F_{1}

Area of the brake pad (A_{1})= 1.7 in^{2}

Thus the pressure on the brake pad (P_{1}) =  \frac{F_{1} }{A_{1} }

When brake is applied on the vehicle the pressure on the piston is equal to pressure on the brake pad.

⇒ P = P_{1}

⇒ 16 = \frac{F_{1} }{A_{1} }

⇒ F_{1} = 16 × A_{1}

Put the value of A_{1} we get

⇒ F_{1} = 16 × 1.7

⇒ F_{1} = 27.2 lb

This the total force applied during braking.

The force applied on one wheel = \frac{F_{1} }{4} = \frac{27.2}{4} = 6.8 lb

⇒ The force applied on one wheel during braking.

7 0
3 years ago
Just a quick joke but…. Why are apartments called A-P-A-R-T-M-E-N-T-S if they are so close together??????
Dominik [7]

Answer:

why?

Explanation:

Do you need any help on anything else?

4 0
1 year ago
Steve is whirling a rubber cork, tied with a string to his finger, over his head as shown in the figure. The motion of the cork
I am Lyosha [343]

The tension in the string corresponds to the gravitational attraction between the Sun and any planet.

6 0
3 years ago
Read 2 more answers
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