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Bowling balls can be made from a variety of substances and are required to have a circumference of roughly 27.2 inches. The construction of the ball typically consists of a high density core surrounded by a lower density shell. Suppose a bowling ball floats in water with half of its volume submerged. If the specific gravity of the shell is 0.350 and the specific gravity of the core is 0.800, calculate the thickness of the shell.
Imagine that we drop a block of mass m from a height h above the comparatively lightweight plate supported by a vertical spring with relaxed length L and spring constant k. From what value of h would we have to drop the block to compress spring to..
Digital bits on a 12.0-cm diameter audio CD are encoded along an outward spiraling path that starts at radius R1=2.5cm, Determine the total length of the spiraling path
After 2.02 days, the activity of a sample of an unknown type radioactive material has decreased to 88.2% of the initial activity. What is the half-life of this material
A woman on a bridge 86.8 m above a stream sees a bottle floating along at a constant speed. Calculate the speed of the bottle
An isolated conductor of arbitrary shape has a net charge of +1.2 10-5 C. What is the charge on the cavity wall
Two capacitors are connected to a battery. The battery voltage is V= 80V, Determine the total energy stored by the two capacitors
Using Newton's Version of Kepler's Third Law II Part A Pluto's moon Charon orbits Pluto every 6.4 days with a semimajor axis of 19,700 kilometers. Calculate the combined mass of Pluto and Charon. Express your answer using two significant figures. ..
What would be the final temperature of 100g of 16°C water when 107 g of 40°C iron nails are submerged in it? (The specific heat of iron is 0.12 cal/g °C. Here you must equate the heat gained by the water to the heat lost by the nails.)
The masses of astronauts are monitored during long stays in orbit, such as when visiting a space station. What is the mass of an astronaut who has an oscillation period of 2.00 s when in the chair
The position of a particle moving along an x axis is given by x = 14.0t2 - 3.00t3, where x is in meters and t is in seconds. find the maximum positive velocity reached by the particle
A projectile ,was launched vertically from the surface, of the Moon rises to an altitude of 330km. What would be the projectile's initial speed
You are standing on a scale inside an elevator. The scale reads exactly your weight. What could be the velocity of the elevator, What is the acceleration of the elevator
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