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a map suggest that atlanta is 730 miles in a direction of 5.00°north of east of dallas. Same map shows Chicago is 560 miles in a direction of 21.0°west of north from atlanta. find net displacement vector from dallas to chicago. Express in kilometers. express net displacement in both rectangular and polar.
The speed of the block at the bottom of the track is vA = 13.1 m/s, and block experiences an average frictional force of 7.00 N while sliding up the track.
In a skating stunt known as crack-the-whip, a number of skaters hold hands and form a straight line. obtain the magnitude of the centripetal force
A large mountain can slightly affect the direction of "down" as determined by a plumb line. How far would the lower end move toward the sphere
lens forms an image of an object. The object is 16.0 cm from the lens, What is the focal length of the lens? Is the lens converging or diverging
A certain metal with atomic mass 2.6 × 10?25 kg has an interatomic bond with length 2.5 × 10?10 m and stiffness 45 N/m. What is the speed of sound in a rod made of this metal
A block of mass M = 5.90 kg, at rest on a horizontal frictionless table, is attached to a rigid support by a spring of constant k = 5960 N/m. find the amplitude of the resulting simple harmonic motion
An immersion heater used to boil water for a single cup of tea plugs into a 120 V outlet and is rated at 300 W. What is the Resistance of the Heater
A copper wire has a 25 m-ohmic resistance at 20 degrees C. When the wire is carrying a current, What is the change in the wire's resistance
Using a 677-nm wavelength laser, you form the diffraction pattern of a 0.113-mm wide slit on a screen. How far is the screen located from the slit
A mortar* crew is positioned near the top of a steep hill. Enemy forces are charging up the hill and it is necessary for the crew to spring into action, How long will the mortar shell remain in the air
Temperatures are often measured with electrical resistance thermometers. Suppose that the resistance of such a resistance thermometer is 162 when its temperature is 16.0 °C. What is the temperature of the liquid
Your toaster has a power cord with a resistance of 2.2×10?2 connected in series with a 9.9 nichrome heating element. How much power is dissipated in the heating element
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