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devlian [24]
3 years ago
7

Many species cool themselves by sweating, because as the sweat evaporates, heat is transferred to the surroundings. A human exer

cising strenuously has an evaporative heat loss rate of about 650 W. If a person exercises strenuously for 29.1 min, how much water must he drink to replenish his fluid loss? The heat of vaporization of water is 2430 J/g at normal skin temperature.
Physics
1 answer:
max2010maxim [7]3 years ago
4 0

Answer:

70713

Explanation:

Because you need to multiply the amount of water lost (2430) by the time (29.1) which will equal 70713J/g needed to counter the loss.

Hope this helps:)

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(b) When the box is sliding down, the frictional force acts towards the right.

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<h3>Free body diagram</h3>

The free body diagram of all the forces on the box is obtained by noting the upward force and downward forces on the box as shown below;

                      /  W2

                    Ф → Ff

                    ↓W1

where;

  • Ff is the frictional force resisting the down motion of the box
  • W1 is the perpendicular component of the box weight = Wcos(33)
  • W2 is the parallel component of the box weight = Wsin(33)

(b) When the box is sliding down, the frictional force acts towards the right.

(c) When the box slides up, the direction of the frictional force changes, it acts towards the left.

Learn more about free body diagram of inclined objects here: brainly.com/question/4176810

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I think the answer would be Car C.
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3 years ago
HELP DUE TODAY BEST ANSWER GET BRAINLIE
Aleonysh [2.5K]

I uploaded the answer to a file hosting. Here's link:

tinyurl.com/wpazsebu

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