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pogonyaev
3 years ago
14

All circuits include

Physics
1 answer:
valina [46]3 years ago
4 0

Answer:

a battery, wires, and a switch.

Explanation:

All circuits include?

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A wire carries a 2a current. what is the current in a second wire that delivers twice as much charge in the same amount of time?
Soloha48 [4]

Answer:

4A

Explanation:

Current is charge per time.  So if the second wire delivers twice as much charge in the same amount of time, it must have twice the current.

2 × 2A = 4A

7 0
3 years ago
How does a pulley make work easier?
emmasim [6.3K]

it helps use less weight to pick up things and makes it way easier to work

7 0
4 years ago
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13) Fred is travelling 3.4 m/s and decelerates at a rate of 0.83 m/s until he comes to a stop
Finger [1]

Answer:

<h2>Tt will take 4.04 seconds</h2>

Explanation:

In this problem/exercise, we are going to apply the newtons first equation of motion to solve for the time taken

Given that

final velocity= 3.4m/s

initia velocity u= 0m/s

deceleration= 0.84 m/s^2

time t= ?

applying

v=u+at

Substituting our given data into the expression above we have

3.4=0+0.84t

3.4=0.84t

divide both sides by 0.84 we have

3.4/0.84= t

t= 4.04 seconds

3 0
3 years ago
The potential energy of a catapult was completely converted into kinetic energy by releasing a small stone with a mass of 20 gra
DerKrebs [107]

1,000 grams = 1 kilogram
20 grams = 0.02 kilogram

Kinetic energy = (1/2) (mass) x (speed)²

                           (1/2) (0.02) x (15)² =

                                 (0.01)  x  (225)  =  2.25 joules
 
4 0
4 years ago
Read 2 more answers
What are the magnitude forces at C and D? Please help
Anastasy [175]

Answer:

D

Explanation:

Beacuse the force got to the bottem first Meaning the andswer is D

4 0
3 years ago
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