Question
a tennis ball was thrown vertically upwards with an initial velocity of 20m/s calculate its velocity after 4seconds, it maximum height attained and time taken to reach it
Answers
bobpursley
h(t)=vi*t-4.8t^2
v(t)=vi + g t
at max height, v(t)=0, solve for t when that happens.
v(t)=vi + g t
at max height, v(t)=0, solve for t when that happens.
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