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kirza4 [7]
3 years ago
5

Select the correct answer. Which healthy snack can provide protein after physical activity? A. an orange slice B. pretzels C. yo

gurt D. a sports drink
Physics
2 answers:
STatiana [176]3 years ago
8 0

Which healthy snack can provide protein after physical activity?

an orange

Serga [27]3 years ago
6 0

Answer:

C. yogurt is the correct answer.

Explanation:

yogurt healthy snack can provide protein after physical activity.

  • yogurt is a rich source of protein, potassium, and calcium.
  • It contains a bacterial cultures that is healthy and helps in digestion.
  • yogurt provides protein after the physical activity because it is a good source of calcium, which is important for muscle tissue and helps in bone formation.
  • After doing physical activity muscles need to be repair, yogurt is a essential bone-forming mineral.

Thus (yogurt) is the correct answer.

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Find a parametric representation for the surface. The plane through the origin that contains the vectors i - j and j - k
boyakko [2]

Answer:

parametric representation: x = u, y = v - u ,  z = - v

Explanation:

Given vectors :

i - j ,  j - k

represent the vector equation of the plane as:

r ( u, v ) = r₀ + <em>u</em>a + vb

where:  r₀ = position vector

            u and v = real numbers

             a and b = nonparallel vectors

expressing the nonparallel vectors as :

a = i -j , b = j - k , r = ( x,y,z ) and r₀ = ( x₀, y₀, z₀ )

hence we can express vector equation of the plane as

r(u,v) = ( x₀ + u, y₀ - u + v,  z₀ - v )

Finally the parametric representation of the surface through (0,0,0) i.e. origin = 0

( x, y , z ) = ( x₀ + u,  y₀ - u + v,   z₀ - v )

x = 0 + u ,

y = 0 - u + v

z = 0 - v

∴ parametric representation: x = u, y = v - u ,  z = - v

3 0
3 years ago
A 0.20 kg mass on a horizontal spring is pulled back a certain distance and released. The maximum speed of the mass is measured
xxMikexx [17]

Answer:

b. 0.20 m/s.

Explanation:

Given;

initial mass, m = 0.2 kg

maximum speed,  v = 0.3 m/s

The total energy of the spring at the given maximum speed is calculated as;

K.E = ¹/₂mv²

K.E = 0.5 x 0.2 x 0.3²

K.E = 0.009 J

If the mass is changed to 0.4 kg

¹/₂mv² = K.E

mv² = 2K.E

v = \sqrt{\frac{2K.E}{m} } \\\\v =  \sqrt{\frac{2\times 0.009}{0.4} } \\\\v = 0.21 \ m/s\\\\v \approx 0.20 \ m/s

Therefore, the maximum speed is 0.20 m/s

4 0
3 years ago
Please help answer much as possible there's 4 questions
katovenus [111]

Answer:

6. A

7. A

9. B

hope dis helps ^-^

3 0
3 years ago
Read 2 more answers
What is the force needed to accelerate a 10 kg object at 2 m/s??​
Sloan [31]

Answer:

5 newtons

Explanation:

Just divide them

8 0
3 years ago
Noah drops a rock with a density of 1.73 g/cm3 into a pond. Will the rock float or sink?
Katarina [22]

Explanation:

Substances with their density less than that of water which is 1 g/cm³ will float on it whiles those greater than that of water will sink into the water

From the question the density of the object is greater than that of water so the object will sink into the water

Hope this helps you

3 0
3 years ago
Read 2 more answers
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