Part 4 of chicky Nugges

Write the equation for momentum, first using symbols for the variables, then using words for the variables.

For general projectile motion, when the projectile is at the highest point of its trajectory, its acceleration is zero? a)the horizontal and vertical components of its velocity are zero. b) its velocity is perpendicular to the acceleration. c)the horizontal component of its velocity is zero. d)its velocity and acceleration are both zero.

When an object is heated it contracts. a. true b. false