Two planes which are doubly inclined at angles ∝ ????
to the horizontal meet in a ridge.
Particles of masses 4?? ??? 3?? rest one on each plane respectively
and are connected
by a light inextensible string which passes over q smooth pulley on
the ridge. Find the
tension and acceleration of the system if; (a.) both planes are
smooth (b.) the coefficient of
friction at each contact is 1 /√3
In 1610, Galileo used his telescope to discover four prominent
moons around Jupiter. Their mean orbital radii a and periods T are
as follows: (a) Io has a mean orbital radius of 4.22 x 108 m and a
period of 1.77 days. Find the mass of Jupiter from this
information. (b) Europa has a mean orbital radius of 6.71 x 108 m
and a period of 3.55 days. Find the mass of Jupiter from this
information. (c) Ganymede has a...
Describe the basics of Endler’s guppy study (what did he
discover and how did he test it?), AND explain how selection in the
guppy study differed from that which the finches on Daphne Major
experienced following the drought.