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A 1.92 kilogram of glass is shaped into a hollow spherical shell that just barely floats in water. Determine the
(a) outer and
(b) inner radii of the shell? Don't assume the shell is thin.
A 40kg child standing on a frozen pond throws a 0.5kg stone to theeast with a speed of 5m/s. what is the recoil velocity of the child
A no reversible heat engine operates among a high-temperature reservoir at Th = 810 K and a low-temperature reservoir at Tc = 330K. through each cycle the engine absorbs 580 J of heat from the high-temperature reservoir and performs 109 J of work.
we need to know how to find the element of an unknown nucleus. we know that it is a most common isotope of a single
Two 1000 kg cars drive east; the first moving at 25 m/s, the second at 15 m/s. What is the magnitude of the total momentum of the system
a one kilomole of an ideal gas under goes a reversible isothermal expansion from a volume of 5 liters to a volume of 10
A helium-filled balloon contains n = 1.1 moles of helium atoms at room temperature and a pressure P = 2 ? Patm (twice atmospheric pressure). How many moles are in the balloon
A 2.74 kg block initially at rest is pulled to the right along a horizontal surface by a constant, horizontal force of 14.6 N. Find the speed of the block after it has been moved 3.26 m
If you put 1kg of glass in contact with an equal mass of water andits temperature drops 5 degrees, by how much will the temperatureof the water rise
A 2.0 kg mass starts from rest and slides down an inclined plane 0.80 m long in 0.50 s. What net force is acting on the mass along the incline?
The acceleration due to gravity on the Moon is about one-sixth what it is on Earth. how many times higher will it go than it would on Earth
A particle possessing 8.25 uC of charge and mass 8.55 g is fired at a speed of 255 cm/s through two charged plates of length 34.6 cm, calculate the distance y in which the charge falls below its intended path
an electron is a subatomic particle m 9.11 x 10-31 kg that is subject to electric forces. an electron moving in the x
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