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A piece of steel piano wire is 1.60 m long and has a diameter of 0.26 cm. What is the magnitude of the tension required to break it? The strength of steel is 5.0 x 108 N/m2.
A 72- kg ice hockey player standing on a frictionless sheet of ice throws a 6.2- kg bowling ball horizontally with a speed of 3.1 m/s
A 50-kg satellite circles planet Cruton every 5.6 h in an orbit by a radius of 12 × 106 m. What is the magnitude of the gravitational force on the satellite with planet Cruton?
A 35 ? lamp and a 90 ? lamp are connected in series and placed across a potential of 40 V. What is the voltage drop across the first lamp
The acceleration due to gravity at the surface of a planet is 18 m/s2. find the speed of the satellite to maintain this stable orbit
A 4.00 kg model rocket is launched, expelling 46 g of burned fuel from its exhaust at a speed of 590m/s. What is the velocity of rocket after the fuel has burned? Hint: overlook the external forces of gravity and air resistance.
A mass is attached to a 25N/m spring. When the system oscillates the frequency of 2.0 Hz. evaluate what is the mass
A thin, conducting rod has a length L and carries charge Q uniformly distributed on its surface. Calculate the potential at point P, located at a distance d from the end of the rod
A 0.20 kg stone attached to a 0.8 m long string is rotated in a horizontal plane. Determine the speed of the stone
The drawing shows an intravenous feeding. With the distance shown (0.610m), nutrient solution (p = 1050 kg/m^3) can just barely enter the blood in the vein. What is the measure pressure of the venous blood? Express your answer in millimetres of mercu..
A crate with a weight of 50N rests on a horizontal surface. A person pulls horizontally on it with a force of 10N and it does not move. To start it moving, a second person pulls vertically upward on the crate. If the coefficient of static friction is..
A charged paint is spread in a very thin uniform layer over the surface of a plastic sphere of diameter 14.0cm , giving it a charge of -11.0μC. Find the electric field just outside the paint layer
A policeman on a motorcycle is stopped at a speed trap. A car is moving at a constant velocity of 100 mph along a straight stretch of road as he passes the policeman at a constant rate of 3 m/s each second. How long does it take the officer to catc..
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