10. From the choices, which polynomial function represents the given graph?
A. f(x) = x² – 3x² + x + 4
B. f(x) = x6 - 3x3 - 4x + 1
c. f(x) = -x + 2x - 1
D. f(x) = -3x5 - 4x3 + 2x - 5

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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.

Agroup of students is studying convection currents. they fill two identical balloons with the same amount of helium. one balloon is placed in a freezer and the other in an area with warm air. after 10 minutes, the balloons are released from a height of 1 meter. which of the following do the students most likely observe? question 2 options: the balloons rise at the same rate. both balloons are the same size. the ballons both rise. the cold ballon is larger than the warm balloon. the cold balloon expands and rises. the warm balloon shrinks and sinks. the warm balloon expands and rises. the cold balloon shrinks and sinks.

Does anyone have the answers to online physics course plato course physics, semester a v3.0