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An airplane with a speed of 71.4 m/s is climbing upward at an angle of 49.5 ° with respect to the horizontal. When the plane's altitude is 692 m, the pilot releases a package. (a) Calculate the distance along the ground, measured from a point directly beneath the point of release, to where the package hits the earth. (b) Relative to the ground, determine the angle of the velocity vector of the package just before impact.
A 250g , 49.0 cm diameter turntable rotates on frictionless bearings at 60.0 rpm. What is the turntable's rotation angular velocity when the block reaches the outer edge
A monochromatic beam of light is absorbed by a collection of ground-state hydrogen atoms in such a way that six different wavelengths are observe, what is the shortest wavelength
A fortune teller's "crystal ball" (actually just glass) is 13 cm in diameter. An image of the ring appears on the opposite side of the crystal ball. How far is the image from the center of the ball
The magnetic field in a solenoid is B = (µ0NI) / d. A circular wire of radius 10 cm is concentric with a solenoid of radius 7 cm, What is the non-Coulomb electric field in the wire
A rocket that starts at rest with mass M ejects exhaust at a given speed u. What is the mass when its energy is maximum
Two people pull as hard as they can on horizontal ropes attached to a boat that has a mass of 200 kg. If they pull in the same direction, the boat has an acceleration of 1.59 m/s2 to the right. If they pull in opposite directions, the boat has..
A box of mass 12 kg moving on horizontal table. A wrench applies a constant force of 45.0 N that makes 37 degrees above the horizontal. what force do you need to apply to maintain that limit
A person throws a 1/2 kg brick out the window. What would be the resultant velocity of the wagon
q1. a magnifier has a magnification of 7x.how far from the lens must an object be placed so that its virtual image is
A 3800-kg open railroad car coasts along with a constant speed of 8.60 m/s on a level track. what is the speed of the car after 90.0 min
Two masses, M1=20.00 kg and M2=12.00 kg, are 50.00 m apart. Find the location of center of mass of the two masses
A student is standing on a ladder as shown in the figure to the right. Each leg of the ladder is 2.7 m long and is hidged at point C. What is the tension in the tierod
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