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Mars2501 [29]
3 years ago
5

A cannon launches a 4.0kg bowling ball with 50J of kinetic energy what is the bowling ball’s speed

Physics
2 answers:
AleksAgata [21]3 years ago
7 0

Answer:

5 m/s

Explanation:

50=1/2*4v^2

4*1/2=2

25*2=50

so...

square rood of 25 is 5

answer 5 m/s

sorry if that didn't make since

kobusy [5.1K]3 years ago
4 0

Explanation:

I will try to find the formula

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3 years ago
Which of the following is the correct equation we get
UkoKoshka [18]

Answer:

\frac{a}{b}=c which agrees with the third answer in your list of answer options

Explanation:

Start with:

a=b\,*\,c

divide both sides by b to isolate c on the right:

\frac{a}{b} =\frac{b\,*\,c}{b} \\\frac{a}{b} =c

6 0
3 years ago
A device that detects small current differences and prevents electrocution that is often required as a safety measure for bathro
choli [55]

A device that detects small current differences and prevents electrocution that is often required as a safety measure for bathroom, kitchen, and exterior outlets is referred to as: Ground-fault interrupter.

<h3>What are arc-fault circuit interrupter?</h3>

According to "Article 100 Arc-Fault Circuit interrupter (AFCI)," arc-fault circuit interrupter is an electrical device which is designed and developed to deenergize the electrical circuit whenever it detects and recognizes characteristics unique to arcing.

Similarly, a ground-fault interrupter simply refers to an electrical device that is designed and developed for the detection of small current differences in an electrical circuit.

The main purpose of a ground-fault interrupter is to prevent electrocution or electrical shock and as such, it is an important safety measure for the following areas in a building:

  • Bathroom
  • Kitchen
  • Exterior outlets

Read more on ground-fault interrupter here: brainly.com/question/12615861

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7 0
1 year ago
Can someone please help me with science
bixtya [17]

Answer:

Gravity as well as electrostatic and magnetic attraction and repulsion provide real life examples of forces being exerted by one object on another without them being in contact with each other.

Explanation:

Hope that helps!:)

8 0
3 years ago
A train car with mass m1 = 515 kg is moving to the right with a speed of v1 = 7.5 m/s and collides with a second train car. The
Anna [14]

Answer:

For the first situation, we first need to find the mass of the second train car.

In order to do that, we apply the conservation of the amount of movement:

515*7.5+m2*0=(m1+m2)*4.8

and we have as a result:

m2 = 289.6875

For the second situation, also we will apply the conservation of the amount of movement:

515*7.5-289.6875*6 = (515+289.6875)*V

and we have as a result:

V = 2.64 (it is moving to the right)

6 0
3 years ago
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