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2 years ago

10. when creating a cardiovascular fitness routine which program would be appropriate?

Physics

1 answer:

sasho [114]2 years ago

5 0

Answer:

10. B

13. It's actually 30 seconds but 20 comes closest so B

14. B, any type of stretching is good before you perform any type of physical activity because it loosens up the muscles

15. D, all of the above

Explanation:

I have done many sports in my life and am still very active, I grew to know most of these things through the years.

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Calculate the current through the ammeter (look at photo)

AleksAgata [21]

Answer:

6 amps

Explanation:by Kirchhoff's loop rule the current at any point in the loop must be equal or charge would be building up. The current at the ammeter is equally to the total current through the sun of the paths in parallel which it is in series with

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1 year ago

PLZ FAST Scientific knowledge is both long lasting and always _______.

Montano1993 [528]

Answer:

Answer=Changing......

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2 years ago

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An image of the moon is focused onto a screen using a converging lens of focal length f= 34.3 cm. The diameter of the moon is 3.

Rashid [163]

Answer:

The diameter of the moon's image is 0.31 cm.

Explanation:

Given that,

Focal length = 34.3 cm

Diameter of the moon $d=3.48\times10^{6}\ m$

Mean distance from the earth $d=3.85\times10^{8}\ m$

At that distance the object is assumes to be at infinity. hence the image will be formed at a distance equal to focal length

So, the image distance is 34.3 cm.

We need to calculate the diameter of the moon's image

Using formula of magnification

$m= \dfrac{image\ distance}{object\ distance}=\dfrac{height\ of\ image}{height\ of\ object}$

$\dfrac{0.343}{3.85\times10^{8}}=\dfrac{h'}{3.48\times10^{6}}$

$h'=\dfrac{0.343\times3.48\times10^{6}}{3.85\times10^{8}}$

$h'=0.0031\ m= 0.31\ cm$

Hence, The diameter of the moon's image is 0.31 cm.

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2 years ago

Tho resistors or resistance 2 ohms 4 ohms are connected in Series and then in Parallel what is the ratio of their respective res

LUCKY_DIMON [66]

Answer:

9:2

Explanation:

Series connection

Rt = R1 + R2 = 2 + 4 = 6 ohms

Parallel connection

1/Rt = 1/R1 + 1/R2 = 1/2 + 1/4 = (2+1)/4 = 3/4

1/Rt = 3/4

===> Rt = 4/3 = 1.33 ohms

ratio of series to parallel

6÷4/3 = 6×3/4 = 9:2

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2 years ago

A + B + C → D + E

MAVERICK [17]

B) the mass of the reactant equals the mass of the product.

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2 years ago

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