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a helicopter rises vertically carrying a load of concrete to make the foundation for a ski lift a 35 kilogram plastic
a golfer hits a shot to a green that is elevated 30 meter above the point where the ball is struck the ball leaves the
the olympic flame at the 1992 barcelona olympics was lit by a flaming arrow shot from a point 60 meter horizontally and
an ore sample weighs 1750 in air when the sample is suspended by alight cord and totally immersed in water the tension
a stand fan has a circular base of radius 02 meter and mass of 23 kilogram find the pressure exerted by the fan on the
a calculate how much power is needed to push a 91 kilogram chest at 067 ms along a horizontal floor where the
a carnot engine operating among energy reservoirs at temperatures 342 k and 459 k produces a power output of 1149 w
a 35 g ice cube at 00degc is added to 110 g of water in a 62 g iron cup the cup and the water have an initial
a transmission line is used to send power over a distance of 40 kilometer through a copper power line of 10 omegakm
a car of mass 1420 kilogram traveling at 20 ms is at the foot of a hill that rises 120 meter in 2 kilometer at the top
a person has far points 761 cm from the right eye and 112 cm from the left eye write a instruction for the powers of
calculate the rate of decreasing in the sun mass of the solar constants is 1400 jm2s the mass of sun is 2 x 1030 kg
a certain light truck can go around a flat curve having a radius of 150 meter with a maximum speed of 32 0 ms find with
a helicopter m1250 kilogram is cruising at a speed of 250 ms at an altitude of 185 meter find the total mechanical
two girl scouts are sitting in a large canoe on a still lake while at summer camp the canoe happens to be oriented with
a vehicle is traveling at 70 ms when the driver applies the brakes the vehicle moves 15 meter before it comes to a
an asteroid is moving along a straight line a force acts along the displacement of the asteroid and slows it down the
your science teacher has assigned you the task of building a water barometer you have learned that the pressure of the
light from a lamp which emits light at several discrete different wavelengths illuminates an 800 linemm diffraction
a bullet of mass 880 x 10-3 kilogram moving at 1250 ms impacts a tree stump and penetrates 400 centimeter into the wood
a rocket is fired vertically and ascends with a fix vertical acceleration of 20 ms2 for 10 minute its fuel is then all
a van of mass 1420 kilogram traveling at 20 ms is at the foot of a hill that rises 120 meter in 2 kilometer at the top
determine the change in potential energy of a 798 kilogram person when he takes an elevator from the first floor to
as part of a physics experiment you stand on a bathroom scale in an elevator though your normal weight is 610 newton
a rocket rest frame s traveling at a speed of v05c relative to the earth rest frame s shoots forward bullets traveling