You are working out on a rowing machine. each time you pull the rowing bar (which simulates the "oars") toward you, it moves a distance of 1.0 m in a time of 1.7 s. the readout on the display indicates that the average power you are producing is 82 w. what is the magnitude of the force that you exert on the handle?
from the question we are given the following
distance (s) = 1 m
time (t) = 1.7 s
power (p) = 82 W
force (f) = ?
we can get the force by applying the formula below
power = work done / time
where work done = force x distance
therefore power = (force x distance ) / time
82 = (f x 1) / 1.7
f = (82 x 1.7) / 1 = 139.4 N
cell differentiation is how generic embryonic cells become specialized cells. this occurs through a process called gene expression. gene expression is the specific combination of genes that are turned on or off (expressed or repressed), and this is what dictates how a cell functions.
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