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A Boeing 747 "Jumbo Jet" has a length of 61.3 m. The runway on which the plane lands intersects another runway. The width of the intersection is 27.0 m. The plane decelerates through the intersection at a rate of 5.77 m/s2 and clears it with a final speed of 44.8 m/s. How much time is needed for the plane to clear the intersection? (Note that the plane enters the intersection when any part of the plane is in the intersection and blocking the other runway. The plane clears the intersection when there is no longer any part of the plane in the intersection blocking the other runway.)
Three resistors of resistance 2 ?, 3 ? and 4 ? are connected in series with a 10 V battery. In which resistor is the greatest power dissipated
Calculate the frequency and period of a pendulum of mass 10 kg and a) length .5 meters, b) length 5 meters.
The springs of a 1200 kg car compress 6.5 mm when its 68 kg driver gets into the driver's seat. If the car goes over a bump, what will be the frequency of vibrations?
If the temperature is the same at the surface of the lake and at a depth of 20.0m below the surface , what is the height of the cylinder of air in the bucket when the bucket is at a depth of 20.0m below the surface of the lake
A heavy box is pulled across a wooden floor with a rope. The rope makes an angle of 60o with the floor. A force of 75N is exerted on the rope. find the component of the force parallel to the floor
A 6-µF capacitor in series with a 2-? resistor is charged with a 9-V battery for a long time by closing the switch, Determine the maximum current through the inductor
In building a particle accelerator, you manage to produce a uniform electric field of magnitude 4.03 × 105 N/C in one 40.5 cm section. How much work is required to move a proton through the section
A seasoned mini golfer is trying to make par on a tricky hole #5. The golfer can complete the hole by hitting the ball from the flat section it lays on, at what speed must the golfer hit the ball to land the ball in the hole
A particle moves on the x axis from x=0 to x=3. A force of magnitude F(x) = 3x3 + 4x acts on the particle. Calculate the work done by the force
A rifle has a mass of 5.38 kg and it fires a bullet of mass 12.0 g at a muzzle speed of 827 m/s. What is the recoil speed of the rifle as the bullet leaves the gun barrel
Nothing, the charges are too cold to deliver any response. D. There is a localization of negative charge near the door handle.
A particle has an acceleration of 6.39 for 0.28. At the end of this time the particle's velocity is 9.31 .What was the particle's initial velocity.
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