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A 7650kg iceberg with density 931 kg/m3 is afloat in seawater with density 1030 kg/m3.
Find:
a) the buoyant force on the iceberg.
b) the volume of water displaced by the iceberg.
c) the fraction of the iceberg's volume that is below the water line.
Heather and Jerry are standing on a bridge 56 above a river. Heather throws a rock straight down with a speed of 15. Jerry, at accurately the same instant of time, throws a rock straight up with the equal speed. Overlook air resistance.
The lighter ball is pulled away to a 60 degrees circular angle with the vertical and released. Illustrate what is the speed of the lighter ball before impact?
A charged paint is spread in a very thin uniform layer over the surface of a plastic sphere of diameter 16.0 cm, find electric feild just outside paint layer
A motor boat haeds due east at 5 m/s acorss a river that flows toward the south at 5 m/s. If the river is 125m wide, how longs does it take the boat to cross the river.
For a real train the friction between the car and the track can be described by a friction coefficient, μ. Find out this coefficient assuming that the time it takes for the car to come to rest is 3 s.
A runner accelerates to a velocity of 4.15 m/s due west in 1.50s. His average acceleration is 0.640 m/s^2, also directed due west. What was his velocity when he began accelerating.
6.00g of nitrogen gas at 22.0 degree celsius and an initial pressure of 4.00atm undergo an isobaric expansion until the volume has tripled, What amount of heat energy is transferred from the gas as its pressure decreases
Approximation the force a person should exert on a string attached to a 0.130 kg ball to make the ball revolve in a horizontal circle of radius 0.600 m.
The speed of light is 1.10 times as large in material A than in material B. Determine the ratio na/nb of the refractive indices of these materials
How far is he from the orgin. A simple pendulum has a mass of 0.350 kg and a length of 2.00 m. It is displaced through an angle of 7.0° and then free.
A meat baster consists of a squeeze bulb attached to a plastic tube. While the bulb is squeezed and free, with the open end of the tube under the surface of the basting sauce.
A particular nucleus of the element plutonium contains 94 protons and 150 neutrons. What is the magnitude of the force from the nucleus on a single electron that is at a distance of 0.563 × 10-12 m from the plutonium nucleus.
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