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A container ship leaves port A and heads due west with an average speed of 18.0 knots (1knot=1.852 km/hr). After traveling 320 km, the ship arrives at port B. The ship remains in port B for 14.0 hours, then heads east with an average speed of 22.5 knots. At a distance of 190km form port B, the ship tragically encounters the second coming of the Perfect Storm and sinks. For the ship;s whole trip from port A to its sinking, what are its average speed and average velocity?
Alpha-particle scattering experiments using uranium (Z = 92) as the target material show that the alpha-particles experience a pure Coulomb repulsion, Estimate the radius of the uranium nucleus
A steel cable with a total length of 29.2 m and total mass of 74 kg is connected to two poles. Calculate the wavelength of the resulting wave on the cable
Consider a map oriented so that the x axis runs east-west (with east being the "positive" direction), find the direction of the total movement of the driver
A container encloses 4.0 mol of an ideal gas that has molar mass M1 and 1.5 mol of a second ideal gas that has molar mass M2 = 3M1
A charge of -4 x 106 coil is moving at 800 m/s along a path parallel to a horizontal straight wire and is 20 cm above it. find magnitude and direction of the force on the charge
A water hose 2.00 cm in radius is used to fill a 15.0 liter bucket. If it takes 2.00 min. to full the bucket, find the speed V at which the water leaves the hose
A 0.19-kg stone is held 1.2 m above the top edge of a water well and then dropped into it. The well has a depth of 5.6 m. What is the change in gravitational potential energy of the system from release to reaching the bottom of the well
The Achilles tendon is subjected to a large tension stress that results in a strain of 5%. how much does it elongate as a result of this strain
A 1.1 µF capacitor has an electric field of 1.2x105 V/m between two metal plates 1 mm apart. What is the energy stored on the capacitor
Calculate the power required by an object to lift another object
A freight train has a mass of 2 multiplied by 107-kg. If the locomotive can exert a constant pull of 12.50 multiplied by 105-N, how long would it take to enhancement the speed of the train from rest to 85.00 km/h.
Estimate the boiling point of a 0.6 molal solution of NaCl in water, What is the osmotic pressure of a 100 mL of toluene solution that contains a total of .005 moles of a polymer dissolved in it at 25°C
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