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The tension at which a fishing line snaps is commonly called the line's "strength." Find what minimum strength is needed for a line that is to stop a salmon of weight 85 Newton in 8.9 centimeter if the fish is initially drifting at 2.5 m/s? Suppose a constant deceleration and that the fishing line is horizontal.
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Water comes down the spillway of a dam from an initial vertical height of 170 m. What is the highest possible speed of the water at the end of the spillway
A water balloon is launched at a building 24 m away with an initial velocity of 18 m/s at an angle of 50 degrees above horizontal, At what height will balloon strike building
Two 1.7 kg masses are 1.5 m apart on a frictionless table. Each has + 9.7 mu C of charge.What is the magnitude of the electric force on one of the masses?
compare the electric force holding the electron in orbit (r=0.53*10^-10m) around the proton nucleus of the hydrogen atom, What is the ratio of these two forces
A rectangular shape ferry boat is 4.77 m wide and 6.77 m long. When a large loaded truck pulls onto it, it sinks 3.65 cm deeper into the water. What is the weight of the truck
A barge of mass 5x 10^4 kg is pulled along the Erie Canal by two mules, walking along towpaths parallel to the canal on either side of it. The ropes harnessed to the mules make angles of 45° to the canal.
An aircraft weighing 803 N is accelerated at 10 m/s2 for 9 seconds, at which time the aircraft launches. How much work was done on the aircraft
A length of aluminium wire is connected to a precision 10.00 V power supply, and at 20.0C the current through it is measured precisely to be 0.4212 A. determine the unknown temperature
An object of mass 2.5 kg on a table is connected to a hanging object of mass 11.2 kg by means of a string via a pulley. Caculate the acceleration of the system
A 1.2kg block is dropped from 48 cm above a spring in equilibrium. Calculate the maximum compression in the spring
If the 2 kg mass slides on a horizontal frictionless surface, what is the speed of the mass 4 kg while it has fallen a distance 0.4 m downward from its rest position.
A speedboat moves on a lake with initial velocity vector v1,x = 9.27 m/s and v1,y = -2.17 m/s, find the components of the speedboat\'s final velocity
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