Physics, 27.06.2021 22:30 gatorr2010
A square metal plate of side 12cm is made of a material of linear expansivity 2.5×10^-4K^-1.If heated from a temperature of 27oC to 120oC. What would be the area of one face of the plate at the higher temperature
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If you quadruple the temperature of a black body, by what factor will the total energy radiated per second per square meter increase? 1,024 64 16 4 256 submit answer
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How much work would a child do while puling a 12-kg wagon a distance of 3m with a 22 n force directed 30 degrees with respect to the horizontal? (a) 82j (b) 52j (c) 109j (d) 95j
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A1200 kg car traveling north at 10 m/s is rear-ended by a 2000 kg truck traveling at 30 m/s. what is the total momentum before and after the collision?
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Aturntable a is built into a stage for use in a theatrical production. it is observed during a rehearsal that a trunk b starts to slide on the turntable 10 s after the turntable begins to rotate. knowing that the trunk undergoes a constant tangential acceleration of 0.31 m/s2, determine the coefficient of static friction between the trunk and the turntable.
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A square metal plate of side 12cm is made of a material of linear expansivity 2.5×10^-4K^-1.If heate...
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