The answer is: False, because, by definition, the distance (which is a scalar quantity) is the absolute value of the displacement. This means that the distance cannot be negative, but the displacement (which is define as a vector quantity can be positive or negative.
Answer:
The length of the arc is 
Step-by-step explanation:
step 1
Find the circumference
we know that
The length of a complete circle is equal to the circumference of the circle
The circumference is equal to

we have

substitute


step 2
we know that
A central angle of
radians subtends the circumference of 
so
by proportion
Find the length of the arc by a central angle of
radians

I think it is 4 because it’s how many times it crosses the x axis
Answer:I think it’s option d
Step-by-step explanation: