Question

a golf ball is thrown vertically upwards with an initial velocity of 25ms and returns to the thrower in exactly 5sec draw a velocity/time graph

Answer 1

here

v=0. (at the top final velocity will be zero)

u=25

t=5

g=10(approx)

distance travelled=ut+1/2 at^2

=25×5+1/2×10×25

=625m

when,it moves upward, there is uniform retardition..so,slope of v-t will be in downward direction and will be straight line ,and when,it moves downward,slope of v-t will be in upward direction and will be completly straight.....

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