What term best describes the shape of the trajectory that a projectile takes as it moves through the air in free fall?
O Parabola.
O Arc.
O Path.
Curve.

Aparticle moves in the xy plane with constant acceleration. at time zero, the particle is at x = 6 m, y = 8.5 m, and has velocity ~vo = (9 m/s) ˆı + (−2.5 m/s) ˆ . the acceleration is given by ~a = (4.5 m/s 2 ) ˆı + (3 m/s 2 ) ˆ . what is the x component of velocity after 3.5 s? answer in units of m/s.

What is the measure of how much matter is in an object and that can be measured using a balance? a. height b. volume c. weight d. mass

What structural formula represents 4 electrons shared between two atoms?