A student throws a stone upward at an angle of
45° above the horizontal. Which statement best
...
A student throws a stone upward at an angle of
45° above the horizontal. Which statement best
describes the stone at the highest point that it
reaches?
(1) Its acceleration is zero.
(2) Its acceleration is a minimum, but not zero.
(3) Its gravitational potential energy is a
minimum
(4) Its kinetic energy is a minimum
Answers: 1
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