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A 240g air track glider is connected to a string hanging over a frictionless pulley. A 110g mass hangs from the other end of the string. find the acceleration of the glider. find the acceleration of the hanging mass?
A 1460-kg submarine rises straight up towards the surface. Seawater exerts both an upward buoyant force of 16300 N on the submarine, as well as a downward resistive force of 1090 N. What is the submarine's acceleration?
Integrated circuits are manufactured in vacuum chambers in which the air pressure is 6.00×10?11 mm of Hg, determine the mean free path of a molecule
question1a child slides down a slide with a 31 degree incline and at the bottom her speed is precisely one-third what
A person desires to reach a point that is 3.40 km from her present location and in a direction that is 350 north of east. However, she must travel along streets that are oriented either north-south or east-west. What is the minimum distance she mi..
A loudspeaker at the origin emits a 140Hz tone on a day when the speed of sound is 340 m/s. What is the distance between these two points
A +45?C point charge is placed 42cm from an identical +45?C charge. How much work would be required for an external force to move a +0.70?C test charge from a point midway
Positively charged aluminum ion, Al3+, has a mass of 4:50 1026 kg. After being accelerated through a potential dierence of 650 V, Calculate the radius of the path of the ion in the eld
suppose that all the energy goes into the arrow, with what speed does the arrow leave the bow.
A gas mixture occupies a volume of 1.4m^3 at a temperature of 65 C and a pressure of 350 kPa. determine the molcular weight of the gas
A coil of wire has a resistance of 38.0 ? at 25° C and 43.7 ? at 52° C. What is the temperature coefficient of resistivity
A 1000kg car accelerates from rest to 60mph (134m/s) in 10s. During this time, its engine was operating at 3600rpm. Use the work-energy theorem to find the net work done by the car
Two violins are supposed to be playing concert A, at 440 Hz [{\rm Hz}], What beat frequency do the violinists hear
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