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3 years ago

Which strategies maximize recovery following an intense bout of resistance training?

Physics

1 answer:

RoseWind [281]3 years ago

8 0

Answer:

The answers are:

a) drinking 20–24 ounces of water for every pound of body mass lost,

b) stretching muscle groups, holding each stretch for 30 seconds or more, and

c) replenishing low blood sugar with carbohydrates

Explanation:

I just took the exam and got this correct.

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Which of the following colors is not a primary color of light

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The colors red, blue and yellow

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A 300-N force acts on a 25-kg object. The acceleration of the object is ____.

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Before starting this problem, review Conceptual Example 3 in your text. Suppose that the hail described there comes straight dow

bulgar [2K]

Answer:

0.9 N

Explanation:

The force exerted on an object is related to its change in momentum by:

$F=\frac{\Delta p}{\Delta t}$

where

F is the force exerted

$\Delta p$ is the change in momentum

$\Delta t$ is the time interval

The change in momentum can be rewritten as

$\Delta p = m(v-u)$

where

m is the mass

u is the initial velocity

v is the final velocity

So the formula can be rewritten as

$F=\frac{m(v-u)}{\Delta t}$

In this problem we have:

$\frac{m}{\Delta t}=0.030 kg/s$ is the mass rate

$u=-15 m/s$ is the initial velocity

$v=+15 m/s$ is the final velocity

Therefore, the force exerted by the hail on the roof is:

$F=(0.030)(+15-(-15))=0.9 N$

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3 years ago

A 70-kg ice skater is standing still on the ice, when a friend tosses him a 10-kg ball that is traveling at +8 m/s. If he catche

Misha Larkins [42]

Answer:+1.25 m/s

Explanation:

Given

mass of ice skater M=70 kg

mass of ball m=10 kg

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Conserving linear momentum

$M\times0+m\timesu_1=(M+m)v\quad \quad [v=\text{combined velocity of skater and ball}]$

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You know the answer already, you even mention it ( Answer: once )

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