Answer:
I believe the area of the circle is 254.5
Step-by-step explanation:
Answer:
Its the last one
Step-by-step explanation:
The two triangles are the same, but with different names therefore they are congruent
Answer:
1) Velocity

Acceleration

2) Velocity

Acceleration

Step-by-step explanation:
From Physics we remember that velocity (
) and acceleration (
) are the first and second derivatives of the function position in time. That is:
1) Let
, where
. The functions velocity and aceleration are, respectively:
Velocity

Acceleration

2) Let
, where
. The functions velocity and acceleration are, respectively:
Velocity

Acceleration
