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A sphere of radius 10.0 cm floats in equilibrium partially submerged in water with it's lowest point 5.00cm below the water's surface.
A. What is the buoyant force acting on the sphere?
B. What is the weight of the sphere?
Light from a He-Ne laser of wavelength 633 nm passes through a circular aperture. What is the diameter of the hole
A 3.2 kg block of wood sits on a table. A 3g bullet, fired horizontally at a speed of 490 m/s, goes completely through the block, emerging at a speed of 250m/s. What is the speed of the block immediately after the bullet exits.
A spherical weather balloon is filled with hydrogen until its radius is 3.10 m. Its total mass including the instruments it carries is 11.0 kg. Find the buoyant force acting on the balloon
A piñata of mass 3.30 kg is attached to a string tied to a hook in the ceiling. What is the work done by gravity by the time the string is in a vertical position for the first time
The planet Saturn has a satellite, Calypso, which travels in an orbit of radius 2.950×108 m with a period of 1.89 days. Calculate the mass of Saturn from this information
Suppose a tank contains 770 m3 of neon (Ne) at an absolute pressure of 1.01×105 Pa. What is the increase in the internal energy of the neon
The club was in contact with a ball, initially at rest, for about 0.0014 s. find the average force exerted on the ball by the club
An object with a mass of 48.0 g displaces 605.0 ml of water when it is completely immersed. What is the buoyant force on the mass
A pendulum clock that works perfectly on Earth is taken to the Moon. (a) Does it run fast or slow there? (b) If the clock is started at 12:00 midnight, what will it read after one Earth day (24.0 h)? suppose that the free-fall acceleration on the ..
A doctor, preparing to give a patient an injection, squirts a small amount of liquid straight upward from a syringe. What is the maximum height of the liquid above the syringe
The mass of the Earth is 5.98 ? 1024 kg, Locate the center of mass of the Earth-Moon system as measured from the center of the Earth
A wheel rotates about a horizontal axis. It has an outer radius R1 = 18.8 cm and mass M1 = 5.12 kg. What is the acceleration of the hanging weight after it is released
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