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A plane accelerates from rest at a constant rate of 5.00 m/s along a runway that is 1800 m long. Assume that the plane reaches the required takeoff velocity at the end of the runway. What is the time needed to take off? What is the distance(m) traveled by the plane in the first second of its run?
A thin rod of length 8.5 m and mass 23 kg is supported at a 37? incline. One support is 2.1 m, Find the normal force exerted on the rod by the upper support
A particle with charge 6.40x10^-19 C travels in a circular orbit with radius 4.68 mm due to the force exerted on it by a magnetic field with magnitude 1.65 T
On a frictionless horizontal air table, puck A (with mass 0.253kg ) is moving toward puck B (with mass 0.365kg), which is initially at rest. After the collision, puck A has velocity 0.115m/s to the left, and puck B has velocity 0.655m/s to the right...
What is the distance Delta y_max-min between the second maximum of laser 1 and the third minimum of laser 2, on the same side of central maximum.
In a spherical metal shell of radius R, an electron is shot from the center directly toward a tiny hole in the shell, What is the magnitude of the electron's acceleration
An object in equilibrimhas three forces exerted on it. A 33N force acts at 90 degrees and a 44N force acts at 60 degrees. What is the magnitude and direction of the third force?
A 1500kg car moving at 40Km/hr is brought to a sudden stop. If all the car's kinetic energy is dissipated in heating its four 5.0kg steel brake disks, by how much do the disk temperatures increase? The specific heat of steel is c=0.120cal/gdegree Cel..
What is the electric field strength between the disks? A proton is shot from the negative disk toward the positive disk. What launch speed must the proton have
water flows horizontally through a garden hose of radius 1.0cm at speed of 1.4 m/s. what is the gauge pressure of the water inside the hose
Two cars, both of mass m, collide and stick together. Prior to the collision, one car had been traveling north at speed 2v, Find the speed vfinal of the joined cars after the collision
A 2000-kg car accelerates uniformly from rest to 30 m/s in a time of 20 s. What is the net force acting on the car
8.95 H inductor with negligible resistance is placed in series with a 15.3 V battery, a 3.00 ? resistor, Calculate the current as time approaches infinity
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