Physics High School

Plz help me plzzz. I'm begging you

Plz Help Me Plzzz. I'm Begging You

Answers

Answer 1

Answer:

a then c then b

Explanation:

Related Questions

What is the current produced by a 9-volt battery flowing through a resistance of 0.2 ohms?

Answers

Answer:

45 Ampere

Explanation:

R=V/I I=V/R V = 9 R=0.2 I = 9/0.2 = 9×10/0.2×10 =90/2 ie, I =45 A

The current produced by a 9-volt battery flowing through a resistance of 0.2 ohms would be  45 Ampere.

What is resistance?

Resistance is the obstruction of electrons in an electrically conducting material.

The mathematical relation for resistance can be understood with the help of the empirical relation provided by Ohm's law.

V=IR

As given in the problem we have to find the current produced by a 9-volt battery flowing through a resistance of 0.2 ohms.

current produced by a 9-volt battery  = voltage /resistance

                                                              = 9 volt /0.2 ohms

                                                              = 45 Ampere

Thus, the current produced would be 45 Ampere.

Learn more about resistance from here, refer to the link;

brainly.com/question/14547003

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A spring has a force constant of 40000 N/m.
How far must it be stretched for its potential energy to be 42 J?
Answer in units of m

Answers

Answer:

0.05m

Explanation:

Given parameters:

Force constant of the spring  = 40000N/m

Potential energy  = 42J

Unknown:

Extension  = ?

Solution:

To solve this problem, use the expression below:

           E.PE  = [tex]\frac{1}{2}[/tex] k e²  

k is spring constant

e is the extension

              42  =  [tex]\frac{1}{2}[/tex]  x 40000 x e²  

               e  = 0.05m

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