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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.
In a head-on collision, the car stops in 0.279 from a speed of 16. The driver has a mass of 68, and is, fortunately, tightly strapped into his seat. What force is applied to the driver by his seat belt during that fraction of a second.
Point charges of 6.2*10^-8 C and -6.4*10^-8 C are placed 72 cm apart. A third point charge of 6.3*10^-8 C is placed half way between the first two point charges
Two objects with masses of 2.10 kg and 6.80 kg are connected by a light string that passes over a frictionless pulley. (a) Determine the tension in the string.
An 93-g arrow is fired from a bow whose string exerts an average force of 120N on the arrow over a distance of 77cm, What is the speed of the arrow as it leaves the bow
The flowers of the bunchberry plant open with astonishing force and speed, causing the pollen grains to be ejected out of the flower in a mere 0.30 ms at an acceleration of 2.5×104 m/s2. Evaluate with what speed are pollen grains ejected from a b..
W hat is the magnitude of an average force exerted on the superball by the sidewalk. what is force caused by the water on the bottom.
A flywheel with a radius of 0.310m starts from rest and accelerates with a constant angular acceleration of 0.660rad/s2, Compute the magnitude of the tangential acceleration, the radial acceleration
A tank having a volume of 0.10 m3 contains helium gas at 155 atm. How many balloons can the tank blow up if each filled balloon is a sphere 0.30 -m in diameter at an absolute pressure of 1.3 atm.
A radio station broadcasts at a frequency of 600,000 Hz. Know that radio waves have a speed of 3.00 x 10^8m/s, what is wavelength of these waves.
David is driving a steady 26 when he passes Tina, who is sitting in her car at rest. Tina begins to accelerate at a steady 2.8 at instant when David passes.
Calculate the gradient of V in each region
A typical ten-pound car wheel has a moment of inertia of about. The wheel rotates about the axle at a constant angular speed making 60 full revolutions in a time interval of 5.
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