Wen throws a baseball straight upward. We can ignore air resistance. What is true about the acceleration and velocity of the ball on its way up?
Assume that upward is the positive direction.
Choose 1
А
Acceleration increases and velocity decreases.
B
Acceleration remains constant and velocity decreases.
Acceleration remains constant and velocity increases.
Acceleration decreases and velocity increases.

Solve these problems: 1.what is the perimeter of an equilateral triangle with sides measuring 6cm? 2. a regular pentagon has sides measuring 3.2 cm. what is its perimeter? 3. a regular decagon has sides of 3.5mm . what is it’s perimeter? 4. a regular octagon has a perimeter of 64cm. what is the length of one of the sides? 5. a regular hexagon has a perimeter of 72mm . what is the length of one of the sides? 6. what is the perimeter of a rhombus with sides measuring 11m?