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A skier is gliding along at 3.09 m/s on horizontal, friction less snow. He suddenly starts down an 11.9 degree incline. His speed at the bottom is 26.5 m/s.
a) Calculate the length of the incline?
b) Compute how long does it take him to reach the bottom?
A charge of -2.45 nC and acharge of -5.65 nC are separatedby a distance of 70.0 cm. Find the position at which a third charge of +7.20 nC can be placed so that the net electrostatic force on it is zero. a) cm from the -2.45 nC charge b)cm fromthe -5...
Calculate the force needed to stop the downward motion of a jogger's leg, if his leg has a mass of 12.0 kg, a speed of 6.00 m/s
A point charge of +3.0 μC is located at the origin of a coordinate system, and a second point charge of -6.0μC is atx= 1.0m. At what point on the x axis is the electrical potential zero?
Describe what are the (a) magnitude and (b) direction of the boat's velocity relative to the ground? (c) How long does the boat take to cross the river?
Assume that each enriched fuel pellet is 10mm in length, 9mm in diameter, is 95% theoretical density (theoretical density of UO2 is 10.97g/cc), and that 5% of the uranium content is fissioned
A motor is designed to operate on 117 V and draws a current of 15.0 A when it first starts up. determine the resistance of the armature coil
A red laser pointer with a wavelength of 635 nm is shined on a double slit producing a diffraction pattern on a screen that is1.75m behind the double slit. The central maximum of the diffraction pattern has a width of4.30cm, and the fourth bright spo..
What range is appropriate
A lens forms an erect image of a real object. The image is twice the size of the object and appears to be 40 cm from the lens
question1a jet plane w a constant speed along a straight line at an angle 30 degrees above horizontal. the plane is
A 300 g bird flying along at 5.9m/s sees a 10 ginsect heading straight toward it with a speed of 35m/s, What is the bird's speed immediately after swallowing
two styrofoam balls each with a mass of 335 mg and carrying the same electric charge are suspended from a common point
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