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The wing of an airplane has an average cross-sectional area of 15 m2 and experiences a lift force of 65,000 Newton. Find the average difference in the air pressure (in N/m2) between the top and bottom of the wing?
At a waterpark, sleds with riders are sent along a slippery,horizontal surface by release of a large, compressed spring.The spring with a force constant k= 3700 N/m and negligible mass rests on the frictionless horizontal surface.
If the ball was hit when it was 1.2m above the ground, what horizontal distance does it travel before it lands on the building
In a 1.28T magnetic field directed vertically upward, a particle having a charge of magnitude 8.80uC and initially moving northward at 4.72 km/s is deflected toward the east
A material of resistivity %u03C1 is formed into the shape of a truncated pyramid of altitude 3a, Find the resistance of the wire
The cost of electricity varies widely throughout the United States; $0.120/kWh is a typical value. At this unit price, compute the cost of the following. Leaving a 40.0-W porch light on for two weeks while you are on vacation.
Now the gymnast (not holding any additional mass) walks directly above the right support. What is the force the left support exerts on the beam
One end of an insulated metal rod is maintained at 100 , while the other end is maintained at 0 by an ice-water mixture. Find the thermal conductivity of the metal
A car drives north at 46 for 10 and then turns east and goes 5 at 60. At last, it goes southwest at 30 for 6.0. What is the average velocity.
the press box at a baseball park is 36.0 ft above the ground. a reporter in the press box looks at an angle of 13.1deg
Superman throws a 0.18 kg baseball at a speed of 0.936c. Find the following for the baseball. rest energy. kinetic energy
A mass-spring system oscillates on a horizontal frictionless surface with an amplitude of 3.56 cm. If the spring constant is 237 N/m and the mass is 0.400 kg; Determine the mechanical energy of the system
Suzy is holding her kite on a string 25.0 m long when the kite hits the top of a flagpole, which is 14.9 m higher than her hands. Assuming that the string is taut and forms a straight line
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