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The isotope of lithium used in a hydrogen bomb is Li-6, whose nucleus contains 3 protons and 3 neutrons. When a Li-6 nucleus absorbs a neutron, a nucleus of the heaviest hydrogen isotope, tritium (H-3), is produced. Using the same nomenclature as used here for the isotopes, the other product of the reaction (other than H-3) when a Li-6 nucleus absorbs a neutron is . The product of this reaction that fuels the nuclear explosive reaction is
Years ago, a block of ice with a mass of about 20 kg was used daily in a home icebox. how much heat did a block of ice that size absorb
A uniform rod of weight W is supported horizontally by two bricks at its ends. Calculate the Force on the other support immediately thereafter, it should be in terms of W
Unpolarized light is shone on a stack of 3 polarizers, What fraction of the initial intensity emerges from the stack
Two capacitors are identical, except that one is empty and the other is filled with a dielectric (k = 5.0). What must be the potential difference across the plates of the capacitor filled with a dielectric
A disgusted physics student wads up her homework and throws it downward into a trash can. with what speed was the homework hurled
A student could either pull or push, at an angle of 30? from the horizontal, a 55kg crate on a horizontal surface, Calculate the minimum work required for both pulling and pushing
A sun yacht is a spacecraft with a large sail that is pushed by sunlight. Although such a push is tiny in everyday circumstances, What is the magnitude of the resulting acceleration
A Toyota Prius driving north at 61 and a VW Passat driving south at 42 are on the same road heading toward each other.
A 23 kg box slides 4.0 m down the frictionless ramp shown that is raised 30 degress from the ground , What is the maximum compression of the spring
A certain lightbulb filament when hot has a resistance of 205 ?. The potential difference across the filament at a certain instant is standard household voltage, 120 V. What current is flowing through the bulb at that time
two sealed containers with volumes V1 and V2, respectively, contain dry air at pressures p1 and p2 and room temperature T. Find an expression for the new pressure
A parallel-plate capacitor has plates of area .5 m^2 separated by a distance of 2.0 mm. What is this capacitor's capacitance
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