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A map suggests that Atlanta is 728 miin a direction of 5.20° north of east from Dallas. The same map shows that Chicago is 560 miles in a direction of 21.1° west of north from Atlanta. Modeling the Earth as flat, use this information to find the displacement from Dallas to Chicago.
Find the magnitude.
Find the direction.
The expanding gases that leave the muzzle of a rifle also contribute to the recoil. A .30 caliber bullet has mass 7.20×10?3kg, Find the momentum of the propellant gases in a coordinate system attached to the earth as they leave the muzzle of the rifl..
A spring is hung from the ceiling. A 0.375 -kg block is then attached to the free end of the spring. Find the angular frequency of the block's vibrations
Compute the required time by the current to reach an initial value in an inductive discharge circuit.
A loud speaker is playing rock music. Consider the sound from it as a spherical wave. what is the sound intensity level
a laser of wavelength 1030nm has an initial beam diameter of 1.5 mm and the divergence half-angle of the conical beam
assume that thermometer readings are normally distributed with a mean of 0 and a standard deviation of 1. a thermometer
What is the magnitude of the horizontal net force. An 845-N sled is pulled a distance of 168 m. The task requires 1.20 multiplied by 104 J of work and is done by pulling on a rope with the force of 121 N. At what angle is the rope held.
A coil with an inductance of 14.5 H and a resistance of R = 4.0 ohms is suddenly connected to a resistanceless battery with E = 184.2 V. What is the equilibrium current
The critical angle for total internal reflection at a liquid-air interface is 40.0. If a ray of light traveling in the liquid has an angle of incidence at the interface of 38.0, what angle does the refracted ray in the air make with the normal
An object initially displaced 75.25 m (along the horizontal x direction) has in initial velocity downward (along the -y direction) of 57.28 cm/s. Assuming that the object is on Neptune which has an average acceleration of gravity of 11.15 m/s2, deter..
Two capacitors are connected in series. Let 3.40?F be the capacitance of first capacitor, 5.00?Fthe capacitance of the second capacitor, Calculate the potential difference across each capacitor
A dump truck designed to carry grain is shown. The dump bed is actuated by a hydraulic cylinder AB. If the combined weight of the dump bed plus its load is 800 lb, and the bed is at the position shown, determine the forces acting on the bed at B and ..
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