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Q. A rectangular block of ice 9.00m on each side and 1.6 m thick floats in sea water. The density of the sea water is 1025 kg/m3. The density of ice is 917 kg/m3.
How many penguins of mass 22 kg can stand on the ice before they get their feet wet?
calculate the speed of the block at the instant the dielectric leaves the capacitor assuming it starts at rest and that the voltage across the capacitor after the dielectric is removed is measured to be 900 V.
Determine out the magnitude of the average force that the water exerts on the diver. This force is neoconservative.
The energy of a simple harmonic oscillator could be doubled by increasing the amplitude by a factor of approximately
If the gas in a container absorbs 293 J of heat, has 106 J of work completed on it and after that does 35 J of work, what is the enhancement in the internal energy of the gas.
A toy airplane is tied to the ceiling with a string. When the airplane's motor is started, it moves with a constant speed of 1.03m/s in a horizontal circle. If the angle the string makes with the vertical is 27°, and the tension of the string is 1N.
When two point charges are a distance R apart, their potential energy is -2.00 .How far (in terms of R) should they be from each other so that their potential energy is -6.00.
At t=0 a grinding wheel has an angular velocity of 24.20 rad/s. It has a constant angular acceleration of 24.2 rad/s^2 until a circuit breaker trips at t = 1.2 seconds.
A 0.230- coffee cup at 19 is filled with 0.240 of brewed coffee at 97. The cup and the coffee come to thermal equilibrium at 79.If no heat is lost to the environment, what is specific heat of the cup material.
what is the linear speed of the fishing line. The force exerted by the wind on the sails of a sailboat is 300 N north. The water exerts a force of 150 N east. If the boat (including its crew) has a mass of 300 kg, what are the magnitude and directi..
What is the kinetic energy of a carbon atom moving with a speed of 500 m/s.
According to legend, to determine whether the king's crown was made of pure gold, Archimedes measured the crown's volume by find out how much water it displaced. The density of gold is 19.3g/cm^3. If the crown's mass was 6.00 * 10^2g, what volume ..
compute the accelerations experienced by the blood.
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