a care starting from rest has an acceleration 0.3 m/s square, calculate the velocity and distance travelled by this car after 2
1 answer:
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First let's convert the time in seconds:
The current is defined as the quantity of charge flowing through a certain section of a circuit per unit of time:
Using I=10 A, and
, we can find the amount of charge flown through the hair dryer in this time:
The charge of a single electron is
, so the number of electrons flown through the hair dryer is the total charge divided by the charge of a single electron:
The current is defined as the quantity of charge flowing through a certain section of a circuit per unit of time:
Using I=10 A, and
The charge of a single electron is
Answer:
True
Explanation:
As the formula for magnitude of a vector v and their components is
Since , this means the sum of them,
, is always greater or equal to