A roller coaster in the figure below starts at the top of a straight track is inclined 30° with the horizontal. this causes it to accelerate at a rate of 4.9 m/s^2 (1/2g). What is the roller coasters speed after 5s? How far does it travel during that time?

Solve -.016x= -16. need solving this

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?

Aright cylinder has a diameter of 8 m and a height of 6m. what is the volume of the cylinder