Which formula can be used to calculate the horizontal displacement of a horizontally launched projectile? x = vi(cos ) x = vi(cos )t x = ayt x = vxt

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.

What are the factors that affect the resistance of a wire?

Which situation will produce the greatest change of momentum