(a) maximum speed (in m/s), (b) the maximum acceleration (in m/s2 ) (c) the total displacement (in m) of the water strider.
(a) maximum speed (in m/s), (b) the maximum acceleration (in m/s2 ) (c) the total displacement (in m) of the water strider.
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(6) Water striders are insect that propel themselves on the surface of ponds by creating vortices in the water shed by their driving legs. The velocity-versus-time graph of 2 a 17 mm long water strider that moved in a straight line was created from a video. See the figure attached. The insect started from rest, sped up by taking two strides, and then slowed down until it stopped. Estimate
(a) maximum speed (in m/s),
(b) the maximum acceleration (in m/s2 )
(c) the total displacement (in m) of the water strider. Note that the velocity on the graph in the textbook is given in units of length of water strider body per second.
Transcribed Image Text:76. BIO EST Water striders
Water striders are insects
that propel themselves on the
surface of ponds by creating
vortices in the water shed by
their driving legs. The veloc-
ity-versus-time graph of a
17-mm-long water strider
that moved in a straight line
was created from a video
(Figure P2.76). The insect
started from rest, sped up by
taking two strides, and then
slowed down until it stopped. Estimate (a) the maximum speed (in m/s),
(b) the maximum acceleration (in m/s²), and (c) the total displacement
(in m) of the water strider. Note that the velocity on the graph is given in
units of length of water strider body per second.
FIGURE P2.76
v (length/s)
70
60
50
40
30
20
10
0
0.0
0.1
0.2
0.3
→t(s)
0.4
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