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marishachu [46]
3 years ago
9

What’s the answer anyone??

Physics
2 answers:
lozanna [386]3 years ago
8 0

The answer according to me is 5,200, 3,750, and 0.5 .

saul85 [17]3 years ago
5 0

Answer:

5.2L == 5200 mL

3.75 kg == 3750 g

500 mm == 0.5 m

Explanation:

For liters to milliliters, simply multiply by 1000.

For kilograms to grams, simply multiply by 1000

For millimeters to meters, simply divide by 1000.

Cheers.

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3 years ago
In a crash test, a truck with mass 2100 kg traveling at 22 m/s smashes head-on into a concrete wall without rebounding. The fron
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Answer:

a)   v_average = 11 m / s, b)  t = 0.0627 s

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, d)   F / W = 35.8

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a) truck speed can be found with kinematics

         v² = v₀² - 2 a x

The fine speed zeroes them

           a = v₀² / 2x

           a = 22²/2 0.69

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The average speed is

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           v_average = (22 + 0) / 2

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b) The average time

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c) The force can be found with Newton's second law

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             F = 2100 350.72

             F = 7.37 10⁵ N

.d) the ratio of this force to weight

             F / W = 7.37 10⁵ / (2100 9.8)

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.e) Several approaches will be made:

- the resistance of air and tires is neglected

- It is despised that the force is not constant in time

- Depreciation of materials deformation during the crash

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