3 years ago

Which uses direct current?

2 answers:

8 0

Answer:

Direct current is used in any electronic device with a battery for a power source. It is also used to charge batteries, so rechargeable devices like laptops and cell phones

Explanation:

faust18 [17]3 years ago

6 0

Answer:

Positive current is used for a power source battery of every mobile system. It is also used to charge batteries and rechargeable machines such as computers and mobile phones have an AC converter that transforms power from alternating to direct current.

Explanation:

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a container of water is knocked off a 10.0 meter high ledge with a horizontal velocity of 1.00 meters/second. calculate the time

Evgen [1.6K]

Answer:

1.43 s

Explanation:

The time it takes for the container to reach the ground is determined only by the vertical motion of the container, which is a free-fall motion, so a uniformly accelerated motion with a constant acceleration of g=9.8 m/s^2 towards the ground.

The vertical distance covered by an object in free fall is given by

$S=ut + \frac{1}{2}at^2$