1.
Take acceleration due to gravity, g = 9.8 ms2 when needed, unless otherwise stated.
(a)
A grasshopper leaps into the air from the edge of a vertical cliff, as shown in the figure
below. Find
0.0674
6.74 cm
cliff
h
50°
1.06 m,
the initial speed of the grasshopper and
(ii)
the height of the cliff, h.
C.
ز
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