Answer:
magnitude=34.45 m
direction=
Explanation:
Assuming the initial point P1 of this vector is at the origin:
P1=(X1,Y1)=(0,0)
And knowing the other point is P2=(X2,Y2)=(19.5,28.4)
We can find the magnitude and direction of this vector, taking into account a vector has a initial and a final point, with an x-component and a y-component.
For the magnitude we will use the formula to calculate the distance between two points:
(1)
(2)
(3)
(4) This is the magnitude of the vector
For the direction, which is the measure of the angle the vector makes with a horizontal line, we will use the following formula:
(5)
(6)
(7)
Finding :
(8)
(9) This is the direction of the vector
The statement is false. The truth is just the opposite. The presence of easily-moved electrons makes it a good conductor.
<span>experimental? I hope that helps :)</span>
Answer:
The distance traveled by car before stopping is
Explanation:
Given
Initial speed of car
Final speed of the car
Acceleration of the car
Let distance traveled before stopping be s
Using equation of motion
=>
=>
Thus the distance traveled by car before stopping is
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