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Alona [7]
2 years ago
14

A ___________ will help you plan the rest of your life around this fitness priority. A. coach B. fitness goal C. fitness evaluat

ion D. weekly plan
Physics
1 answer:
tatiyna2 years ago
8 0

Answer:

B. fitness goal I believe. please like this, I need points. ty!

Explanation:

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What type of telescope is shown in Figure 24-2
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Refractor, It's a refractor-esque telescope
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What are some possible examples of genetic characteristics that can be passed down to child??????
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They can have a close similar appearance to the parents, have close relation of child reactions.


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A wheel with moment of inertia 25 kg. m2 and angular velocity 10 rad/s begins to speed up, with angular acceleration 15 rad/sec2
Pani-rosa [81]

Answer:

(A) Angular speed 40 rad/sec

Rotation = 50 rad

(b) 37812.5 J

Explanation:

We have given moment of inertia of the wheel I=25kgm^2

Initial angular velocity of the wheel \omega _0=10rad/sec

Angular acceleration \alpha =15rad/sec^2

(a) We know that \omega =\omega _0+\alpha t

We have given t = 2 sec

So \omega =10+15\times  2=40rad/sec

Now \Theta =\omega _0t+\frac{1}{2}\alpha t^2=10\times 2+\frac{1}{2}\times 15\times 2^2=50rad

(b) After 3 sec \omega =10+15\times 3=55rad/sec

We know that kinetic energy is given by Ke=\frac{1}{2}I\omega ^2=\frac{1}{2}\times 25\times 55^2=37812.5J

7 0
3 years ago
En una competencia automovilística, Germán tarda 38 s en dar una vuelta a la
attashe74 [19]

Explanation:

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3 0
3 years ago
What wavelength of light (in nm) is associated with a frequency of 8.01E15 Hz?
AlekseyPX

Answer: 37.5 nm

Explanation: speed of light c= 3.00·10^8 m/s.

I use same accuracy to speed of light as it's for frequency.

Frequency f= 8.01·10^15 1/s

Speed c = wavelength · frequency

Wavelength = c/f = 3.745·10^-8 m

6 0
3 years ago
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