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gladu [14]
3 years ago
9

Below are steps of a work out from warm up steps through the cool down. Place steps in order from 1 being the first thing to do

when starting a session to 5 being the last part. Question 1 options: 2 Static stretches held for 10 seconds each stretch to loosen up. 1 Light jog to get heart rate up for about 5 minutes. 4 Activity specific drills such as high knees, butt kicks, skipping, grapevines. 5 15-45 minute exercise or sport activity. 3 Walk to bring heart rate down, followed by stretches held for as long as 30 seconds.
Physics
1 answer:
postnew [5]3 years ago
6 0

Answer:

Therefore the correct sequence is 2 1 4 5 3

Explanation:

In every exercise section, it must have the same sequence to avoid lessons from the participants, the order of these sections are:

1) 2 Static stretches held for 10 seconds each stretch to loosen up

2) 1 Light jog to get heart rate up for about 5 minutes

3) 4 Activity specific drills such as high knees, butt kicks, skipping, grapevines

4) 5 15-45 minute exercise or sport activity.

5) 3 Walk to bring heart rate down, followed by stretches held for as long as 30 seconds.

Therefore the correct sequence is 2 1 4 5 3

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You have 750 g of water at 10°C in a large insulated beaker. How much boiling water at 100°C must you add to this beaker so that
lina2011 [118]

Answer:

Correct answer:  m₂ = 1,950 g

Explanation:

When mixing the liquid, in this case water, at different temperatures, the warmer liquid will cool and the cooler will warm up until their temperatures equalize.

The amount of heat that the second fluid (water) releases is equal to the amount of heat that the first fluid (water) receives in this spontaneous process.

Q₁ = Q₂

Q₁ = m₁ c (t - t₁)    and Q₂ = m₂ c (t₂ - t)  

where are they:  m₁ = 750 g, t₁ = 10°C, t₂ = 100°C, t = 75°C, m₂ = ?

m₁ c (t - t₁)  = m₂ c (t₂ - t) \ : c

Since water is the liquid in question, it has the same specific heat capacity. Therefore, we will divide both sides of the equation by c and get:

m₁ (t - t₁)  = m₂ (t₂ - t) =>  m₂ = m₁ (t - t₁) / (t₂ - t) =>

m₂ = 750 · (75 - 10) / (100 - 75) => m₂ = 750 · 65 / 25 = 1,950 g

m₂ = 1,950 g

God is with you!!!

4 0
4 years ago
Which bmi score listed below is considered over weight?
valentinak56 [21]
I don't see any answer choices, but if I remember correctly, the overweight BMI score is 20-22 and up. Probably 22 and up.
5 0
4 years ago
A rocket in orbit just above the atmosphere is moving in uniform circular motion. The radius of the circle in which it moves is
Zinaida [17]
Centripetal acceleration is given by the formula

a_{cen}= \frac{v^2}{r}

Since we know the value of the acceleration is 9.8 m/s² and we know r, we can solve for the speed, which is the magnitude of v.  Note the value of a is just the acceleration due to gravity, which is what makes the rocket orbit and not fly off into space.

9.8 \frac{m}{s^2}=\frac{v^2}{6.381 \times 10^6m}   \\  \\ 9.8 \frac{m}{s^2} \times 6.381 \times 10^6m=v^2 \\  \\ v= \sqrt{9.8 \frac{m}{s^2} \times 6.381 \times 10^6m} =24755 \frac{m}{s}
8 0
3 years ago
A rolling ball will eventually come to a stop. Why does this happen?
Digiron [165]

Answer:

(D) friction from the ground changes the ball's

kinetic energy into heat

Explanation:

When a ball is roll on the ground, the electrons in the atoms on the surface of the ground push against the electrons in the atoms on the surface of your ball that is touching the ground. A rolling ball stops because the surface on which it rolls resists its motion,that is when two surfaces come in contact with each other, the surface of one tends to oppose the motion of the other. A rolling ball stops because of friction.

7 0
3 years ago
A horizontal force of 12 Newtons is applied to a 4.0 kg box that slides on a horizontal surface. The box starts from rest moves
Serjik [45]

Answer:

7.0N

Explanation:

F=ma

v2=u2+2as

25=0+20a

a=1.25m/s2

F=ma

F=0.4×1.25

Fn=5N

F=12

12-5=Ff

=7.0N

4 0
3 years ago
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