A child on a skateboard is traveling at a velocity of 8 m/s down a hill. At the bottom of the hill, he slows down and comes to a stop in 4 seconds. Calculate the sled's deceleration. Depict which equation to use

a=vf-vi/t
t=vf-vi/a
vf=(a•t)+vi

Your town is considering building a biodiesel power plant describe at least two advantages and two disadvantages

Greg drew a diagram to compare two of the fundamental forces. which labels belong in the areas marked x, y and z? gravitational force electromagnetic force x. attractive y repulsive z: infinite range x: infinite range y attractive z. repulsive x. always attractive y: infinite range z: attractive or repulsive x. attractive or repulsive y infinite range z: always attractive

If the area of a square has increased by a factor of 16, by how much has each side increased?