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Only a small part of an iceberg protrudes above the water, while the bulk lies below the surface. The density of ice is907 kg/m3 and that of seawater is 1029 kg/m3.Discover the percentage of the iceberg's volume that lies below the surface.
A fire helicopter carries a 649 kg bucket of water at the end of a 18.7 m long cable. Flying back from a fire at a constant speed of 44.2 m/s, Determine the force of air resistance on the bucket
A mass is attached to a spring on a frictionless horizontal surface. The mass is pulled to stretch the spring by .1 m and then gently released. A short time later, as the mass passes during the equilibrium position, its speed is 1 m/s.
a 1 farad capacitor is charged to 10 volts. call this capacitor a. it has a certain amount of stored charge. it is
The glass core of an optical fiber has an index of refraction 1.60.The index of refraction of the cladding is 1.48. What is the maximum angle a light ray can make
A solid disk of mass m1 = 9.6 kg and radius R = 0.24 m is rotating with a constant angular velocity of ? = 30 rad/s. find the final rotational energy of the rod and disk system
Give the force exerted on the bag, to validate your reply.
a circus performer hangs a 3.0kg hoop of diameter 1.0m over a nail. with what frequency does it oscillate about the nail
A 60 kg skier is in a tuck and moving straight down a 30 degree slope. What is the resultant of the external forces that act on the skier
A 4700000 kg spaceship moves away from Earth with a speed of 0.71 c. What is the magnitude of the ship's classical momentum
An emf is induced in a conducting loop of wire1.30 {\rm m}long as its shape is changed from square to circular. Find the average magnitude of the induced emfif the change in shape occurs in 4.37 {\rm s}and the local 0.127-{\rm T}magnetic field is ..
An arrow is shot vertically upward and then 1.84s later passes the top of a tree 40.9m high. How much longer will the arrow travel upward, and how high will it go
A loudspeaker of mass 18.0kg is suspended a distance of h = 2.00m below the ceiling by two cables, What is the Tension T in each of the cables
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