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r-ruslan [8.4K]
3 years ago
14

Name all of the steps on the Physical Activity Pyramid?

Physics
1 answer:
iogann1982 [59]3 years ago
3 0

Answer:

The steps are:-

  • Moderate physical activity
  • Vigorous aerobics
  • Vigorous sport and recreation
  • Muscle fitness exercise
  • Flexibility exercise
  • Avoiding inactivity
  • Balancing energy
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A ball has a mass of 10 Kg. Calculate the force of weight on the ball
LuckyWell [14K]

Answer:

98 N

Explanation:

Weight is mass times acceleration due to gravity.  Assuming the ball is near the surface of the earth, g = 9.8 m/s².

W = mg

W = (10 kg) (9.8 m/s²)

W = 98 N

7 0
3 years ago
how much force does it take to push a 62.0 kg dresser at a constant speed across a carpet with µk=0.238. (unit=N)
Mama L [17]

Answer:

158.76504N

Explanation:

F = µk * m * g

F = 0.238 * 62 * 9.81

F = 158.76504N

3 0
3 years ago
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Which other element is most likely to be a non-reactive gas
DiKsa [7]

Answer:

C

Explanation:

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3 years ago
Consider a constant density gas flowing steadily over an airfoil. Far upstream the velocity is V0. Halfway along the top surface
Mashutka [201]

Answer:

The solution and complete explanation for the above question and mentioned conditions is given below in the attached document.i hope my explanation will help you in understanding this particular question.

Explanation:

5 0
3 years ago
An astronaut is being tested in a centrifuge. The centrifuge has a radius R and, in starting, rotates according to θ = tn, where
Igoryamba

Answer:

a) ω=n

b) V = R*n

c) a = 0

d) ar = R*n^2

Explanation:

Angular velocity is given by the derivative of θ:

ω = n

Linear Velocity will be:

V = ω*R = n*R

Tangential acceleration will be the derivative of the linear velocity. Since velovity is constant:

a = 0

Radial acceleration is given by:

ar = V^2/R = (R*n)^2/R=R*n^2

4 0
4 years ago
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