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An Olympic long jumper is capable of jumping 8.0 meter. Suppose that his horizontal speed is 9.2 m/s as he leaves the ground and that he lands standing upright-that is, the same way he left the ground. Find how long is the jumper in the air? Determine how high does the jumper go?
A certain light truck can go around a flat curve having a radius of 150 meter with a maximum speed of 32. 0 m/s. Find with what maximum speed can it go
A hoodlum throws a stone vertically downward with an initial speed of 11.1 m/s from the roof of a building, 26.0 m above the ground. What is the speed of the stone at impact
A refrigerator has a coefficient of performance of 7.9. How much heat in joules is exhausted to the hot reservoir when 209 J are removed from the cold reservoir?
A copper cylinder 1.50m long and 40.0cm in diameter stands onone end. What is the mass of the cylinder? What force does it exert on the ground?
q1. points a and b have electric potentials of 293 v and 149 v respectively. when an electron released from rest at
the 1400 turn coil in a dc motor has an area per turn of 1.1 multiplied by 10-2 m2. the design for the motor specifies
on planet tehar the free-fall acceleration is the same as that on earth but there is also a strong downward electric
Man pushes a 27-kg block 9.1 m along a level floor at constant speed with a force directed 45° below the horizontal. how much work does the man do on the block
A spring of k=8 N/m has a block of mass 15 kg attached to it on a frictionless table. how fast will it be moving at its equilibrium position
A power plant that uses the temperature gradient of the ocean has been proposed. The system is to operate between 21°C (surface temperature) and 6°C (water temperature at a depth of about 1 km).
two forces act on a14 kg object. the first force has a magnitude of 70 N and is directed 28 north of east. what is the acceleration of the object resulting from application of these two forces to the object
the filament of a light bulb has a resistance of 570 . a voltage of 120 v is connected across the filament. how much
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