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A 70kh man jumping from a window lands in an elevated firerescue net 11.0 m below the window. He momentarily stops when hehas stretched the net by 1.50 m. Assuming that mechanicalenergy is conserved during this process and the net functions likean ideal spring, find the leastic potential energy of the net when it is stretched by 1.50 m.
Calculate the ratio of the number of HBr molecules in state
You are given a galvanometer with a resistance of 17.3 ? and a full scale deflection current of 8.42 mA. Find the maximum current the ammeter is capable of reading
A .32 caliber bullet fired from a revolver with a 3 in long barrel will have a relatively low muzzle speed of about 200 m/s. how long will whole trip take
On a part-time job, you are asked to bring a cylindrical iron rod of density 7800 , length 89.6 and diameter 3.00 from a storage room to a machinist. Calculate the weight of the rod
Inside the tube is a uniformelectric field of 4.50*10-4 N/C pointing in negativey-direction. How far does the particle travel before hitting the tube wall.
A storage tank 27 m high is filled with pure water, Calculate the magnitude of the net force that acts on a square access hatch at the bottom of the tank that measures 0.6 m by 0.6 m
A vector has an x component of -24.0 units and a y component of 36.4 units. Find the magnitude and direction of this vector
After 6.00 kg of water at 77.3 oC is mixed in a perfect thermos with 3.00 kg of ice at 0.0 oC, the mixture is allowed to reach equilibrium. find the change in entropy that occurs
The maximum angular magnification of a magnifying glass is 12.0 when a person uses it who has a near point that is 25.0 cm from his eyes. Obtain the focal length of the objective
A 54.5-kg crate rests on a level floor at a shipping dock. The coefficients of static and kinetic friction are 0.646 and 0.321, respectively. What horizontal pushing force is required to just start the crate moving
Charge is scattered uniformly throughout a long cylindrical shell of inner radius R and out radius 2R. At what radius is the electric field equal to one-half the value on the outer surface.
Use the period of the earth (2.54 y), its mean orbital radius (1.496 × 10^11 m), and the universal gravitational constant (6.673 × 10^?11 N · m2/kg2) to calculate the mass of sun
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