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konstantin123 [22]
4 years ago
5

Explain why not everyone can become a bodybuilder, even if they train hard enough.

Physics
1 answer:
Anni [7]4 years ago
5 0
People have diffrent body builds and bone structure
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This is the 3rd time I reposted this question lol.
Mamont248 [21]

Answer:

Blood absorbs nutrients and the waste products of cells. It carries waste away from cells and pumps nutrients through the whole body.

Explanation:

8 0
3 years ago
Which of the following air conditions would be least likely to have precipitation? A. warm, dry air B. warm, moist air C. cold,
hram777 [196]

Answer:

C

Explanation:

when it's cold,the water vapour that atmosphere can hold is much lower....and when moist air have so much water vapour in it...perfect condition for precipitation

8 0
3 years ago
13. If a track athlete runs an 800 m race at a constant speed of 2 m/s, how long will it
german

Answer:

A. 6.7 min

Explanation:

3 0
4 years ago
Read 2 more answers
A 91.5 kg football player running east at 2.73 m/s tackles a 63.5 kg player running east at 3.09 m/s. what is their velocity aft
pentagon [3]

Answer:

2.877 m/s

Explanation:

According to the laws of conservation of linear momentum,

the momentum of the moving objects before impact is equal to the momentum of the objects after impact (Assuming no external forces were applied)

Let both players are tackled and moving in V velocity

  • M and m - masses of the players
  • U and  u -  velocities of them respectively (both velocities are towards east direction )

momentum before impact = momentum after impact

                          →MU + →mu  = →(M+ m )v

 91.5  * 2.73 + 63.5 * 3.09 =  (91.5 + 63.5) * V

                                       →V = 2.877 m/s (To East)

3 0
3 years ago
Read 2 more answers
Earth turns on its axis about once every 24 hours. The Earth's equatorial radius is 6.38 x 106 m. If some catastrophe caused Ear
san4es73 [151]

To solve this problem it is necessary to apply the concepts related to the Period of a body and the relationship between angular velocity and linear velocity.

The angular velocity as a function of the period is described as

\omega = \frac{2\pi}{T}

Where,

\omega =Angular velocity

T = Period

At the same time the relationship between Angular velocity and linear velocity is described by the equation.

v = \omega r

Where,

r = Radius

Our values are given as,

T = 24 hours

T = 24hours (\frac{3600s}{1 hour})

T = 86400s

We also know that the radius of the earth (r) is approximately

6.38*10^6m

Usando la ecuación de la velocidad angular entonces tenemos que

\omega = \frac{2\pi}{T}

\omega = \frac{2\pi}{86400}

\omega = 7.272*10^{-5}rad/s

Then the linear velocity would be,

v = \omega *r

xv = \omega *r

v= 463.96m/s

The speed would Earth's inhabitants who live at the equator go flying off Earth's surface is  463.96

3 0
3 years ago
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