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baherus [9]
3 years ago
11

Why is it good that adolescents prune their brains

Physics
1 answer:
Aneli [31]3 years ago
5 0

Answer:

Synaptic pruning is an essential part of brain development. By getting rid of the synapses that are no longer used, the brain becomes more efficient as you age.

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A 90.0-kg man runs at a constant speed of 11.5 m/s. what is his kinetic energy?
harina [27]

The kinetic energy possessed by the man is 517.5 Joules.

<u>Given the following data:</u>

  • Mass = 90.0 kg
  • Velocity = 11.5 m/s.

To find the kinetic energy of the man:

Kinetic energy is an energy that is possessed by a physical object or body due to its motion.

Mathematically, kinetic energy is calculated by using the formula;

K.E = \frac{1}{2} MV^2

<u>Where:</u>

  • K.E is the kinetic energy.
  • M is the mass of an object.
  • V is the velocity of an object.

Substituting the given values, we have;

K.E = \frac{1}{2} × 90 × 11.5

K.E = 45 × 11.5

<em>Kinetic energy = 517.5 Joules.</em>

Therefore, the kinetic energy possessed by the man is 517.5 Joules.

Read more: brainly.com/question/23153766

8 0
3 years ago
2.15 Un móvil en trayectoria rectilinea ocupa las posiciones indicadas en la tabla para cada minuto:
inna [77]
To make sure I don’t has 35 012345 bishops
5 0
3 years ago
Which of the following objects exerts the greatest gravitational force on the Earth?
Makovka662 [10]

Answer:

Sun

Explanation:

The sun is Bigger than everything else.

8 0
3 years ago
Read 2 more answers
What would the resultant force be on an object that has a mass of 25 kg and is accelerated at a rate of 2.36 m/s^2?
lbvjy [14]

Answer:

resultant force = 59 N

Explanation:

we know the formula: <em>Force = mass * acceleration</em>

                                    Force = 25 kg  *   2.36 m/s²

                                    Force = 59 N

6 0
3 years ago
Pand S waves are both
leva [86]

Answer:

3.body

Explanation:

Both P and S waves are both body waves. Body waves are waves that travels through the earth.

P and S waves are elastic seismic waves that moves within the earth. Love and Rayleigh waves are surface waves that travels through the surface.

  • P waves is also known as primary waves
  • S waves are known secondary waves.

These waves are the first set of waves to arrive a seismic station before the surface waves are picked up.

3 0
3 years ago
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