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DIA [1.3K]
4 years ago
9

A hockey puck moving at 28 m/s is caught by an 80,00 kg man who was at

Physics
1 answer:
zimovet [89]4 years ago
8 0

Answer:

A

Explanation:

all the work is in the attached file :D

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Importance of electric circuit​
Feliz [49]

Answer:

It is important because it carries useful energy through your house that you can use for a variety of tasks.

Explanation:

Hope this helped !

8 0
3 years ago
Balance the following equations: CUCO3+H2SO4- CUSO4+H2O+CO2​
Setler79 [48]

Answer:

It is already balanced

Explanation:

It is already balanced

6 0
3 years ago
Calculate the number of moles in 100g of water​
dsp73

5.55 mol H2O

Explanation:

Water has a molar mass of 18.01528 g/mol. We can then calculate the number of moles of water as

100 g H20 × (1 mol H2O/18.01528 g H20)

= 5.55 mol H2O

5 0
3 years ago
How far apart (in mm) must two point charges of 90.0 nC (typical of static electricity) be to have a force of 3.80 N between the
Rasek [7]

Answer:

The distance between the two charges is =4.4mm

4 0
3 years ago
A 1.4 kg block slides across a rough surface such that it slows down with an acceleration of 1.25 m/s(squared). What is the coef
tino4ka555 [31]
F = ma 

<span>where </span>

<span>F = frictional force </span>
<span>m = mass of the block = 1.4 kg (given) </span>
<span>a = acceleration of the block = 1.25 m/sec^2 (given) </span>

<span>Substituting values, </span>

<span>F = (1.4)(1.25) </span>

<span>F = 1.75 N </span>

<span>By definition, </span>

<span>F = (mu)(Normal force) </span>

<span>where </span>

<span>mu = coefficient of friction </span>
<span>Normal force = mg = 1.4*9.8 = 13.72 </span>

<span>Again, substituting appropriate values, </span>

<span>1.75 = mu(13.72) </span>

<span>mu = 0.128</span>
5 0
3 years ago
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