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almond37 [142]
3 years ago
14

Which device manages the flow of current in an electric circuit?

Physics
2 answers:
Nitella [24]3 years ago
8 0

Answer:

a switch

Explanation:

the flow of current in an electric circuit can be managed by a switch.

ss7ja [257]3 years ago
6 0
I would say the switch because it turns it on and off
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How can you determine the amount of work done on an object? (joules, work, power...etc.)
Novay_Z [31]
Work done is equal to force by distance; so you take the force exerted, in newtons, and multiply that by the direction it's moved (from the starting point in a line, not along the path it's taken.)
7 0
3 years ago
The ratio of the focal length of a lens to it's diameter is the​
user100 [1]

Answer:

The f-ratio describes the relationship between the lens diameter and the focal length and is calculated by dividing the focal length by the diameter of the lens. For example, if a lens were to have a focal length of 50mm and a diameter of 10mm, then the f-ratio would be 50mm/10mm=5 or otherwise referred to as f5.

Explanation:

6 0
3 years ago
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Cole is riding a sled with initial speed of 5 m/s from west to east. the frictional force of 50 n exists due west. the mass of t
stepan [7]
We can calculate the acceleration of Cole due to friction using Newton's second law of motion:
F=ma
where F=-50 N is the frictional force (with a negative sign, since the force acts against the direction of motion) and m=100 kg is the mass of Cole and the sled. By rearranging the equation, we find
a= \frac{F}{m}= \frac{-50 N}{100 kg}=-0.5 m/s^2

Now we can use the following formula to calculate the distance covered by Cole and the sled before stopping:
a= \frac{v_f^2-v_i^2}{2d}
where
v_f=0 is the final speed of the sled
v_i=5 m/s is the initial speed
d is the distance covered

By rearranging the equation, we find d:
d= \frac{v_f^2-v_i^2}{2a}= \frac{-(5 m/s)^2}{2 \cdot (-0.5 m/s^2)}=25 m
3 0
3 years ago
Suppose the U.S. national debt is about $15 trillion. If payments were made at the rate of $1,500 per second, how many years wou
Delvig [45]

Answer:

This question has already been answered.

Explanation:

brainly.com/question/13542582

3 0
3 years ago
How many meters will a person run during a 5-mile race
Rashid [163]

Answer:

8046.72 meters pretty sure

8 0
3 years ago
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