A bar 50 m long has its center of gravity 15 m from the
A bar 5.0 m long has its center of gravity 1.5 m from the heavy end. If it is placed on the edge of a block 1.5 m from the light end and a weight of 750 N is placed on the bar at the light end, it will be balanced. What is the weight of the bar?
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a satellite is in a circular orbit very close to the surface of a spherical planet the period of the orbit is 185 hours
an aircraft engine takes in an amount 9000 of heat and discards an amount 6400 each cyclea what is the mechanical work
the air tanks used by a certain fire department each contain 250 l of air at a pressure of 2000atm and a temperature of
an electron moving at 360 103 ms in a 110 t magnetic field experiences a magnetic force of 140 10-16 n what angle does
a bar 50 m long has its center of gravity 15 m from the heavy end if it is placed on the edge of a block 15 m from the
a charge of 50 mc is placed on the y axis at y 30 cm and a 77-mc charge is placed on the x axis at x 40 cm if both
the distance traveled is dependent on the initial velocity the acceleration and the time of travel an object initially
list 4 isotopes with their approximate atomic weight and approximate percentages commonly found in organic molecules
a garden hose with an internal diamter of 19 cm is connected to a stationary lawn sprinkler that consists merely of a
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