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A plane accelerates from rest at a constant rate of 4.500m/s2 along a runway that is 2000,0 m long. Assume that the plane reaches the required takeoff velocity at the end of the runway. Show your complete solution
a) What is the time needed to take off?
b) What is the takeoff velocity?
Suppose electrons with E=13.0 eV approach a potential barrier of height 6.0 eV. For what minimum barrier thickness is there no reflection?
The Mariana trench is located in the Pacific Ocean at a depth of about 11 000 m below the surface of the water. For comparison, determine the weight of a jetliner whose mass is 6.04 × 105 kg
A 50,000 kilogram railroad car moving at 4.0 m/s overtakes and couples with a second car of mass 60,000 kilogram that is initially moving at 2.0 m/s on the same track. Find the speed of the two cars after they are coupled
A student, starting from rest, slides down a water slide. On the way down, a kinetic frictional force (a nonconservative force) acts on her. how fast is the student going at the bottom of the slide
A 1200 kg automobile is moving at 30 m/s at a height of 5.0m above the bottom of a hill when it runs out of gasoline. what is the speed of that car at the lowest point
You incorporate a 12μF capacitor into the system in the way you decided in the previous part. If you use the same amount of voltage you determined in part (a) with this new capacitor system, how much energy can this modified defibrillator deliver ..
A solid sphere with charge +10 nc and mass of 0.10 g is traveling along the x-axis towards a sheet of charge in the y-z plane with a charge density of 50 nc/m^2. what is the minimum velocity that the particle must have at a distance of 10 cm from ..
The activity of a sample drops by a factor of 10 in 9.1 minutes. What is its half-life
A red car and a blue car are both travelimg east, with the red car 250 m behind the blue car. how far will the blue car travle before the red car cathes up and passes it
You have built a homemade skate board for your nephew out of a plank and a set of wheels. How fast was your nephew moving when his feet left the skateboard
Radar is used to determine distances to various objects by measuring the round-trip time for an echo from the object. How far away is the planet Venus if the echo time is 1500 s
A hunter is standing on flat ground between two verticalcliffs that are directly opposite of each other. He is closerto one cliff than the other. find the distance between the cliffs
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