Which of the following is not a likely result of regular physical activity?
a.
increased energy
b.
decreased attention span
c.
improved school attendance
d.
improved self-image

select the best answer from the choices provided.

a
b
c
d

Which of the following is a true statement about the acceleration ~a of the pendulum bob ~a is equal to the acceleration due to gravity. ~a is perpendicular to the bob’s trajectory. ~a is equal to the instantaneous rate of change in velocity. ~a is tangent to the bob’s trajectory.