Physics, 12.03.2020 04:23 jslaughter3
Cast-iron cannonballs used in the War of 1812 were occasionally heated for some extended time, so that when fired at houses and ships, they would set them on fire. If one of these cannonballs with a 20 cm diameter were at a uniform temperature of 1100 K, what heat flux value would exist if it were placed in still air at 300 K? You may assume no thermal radiation effects
Answers: 2
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Which process is represented by the pv diagram? a. the isobaric process b. the isovolumetric process c. the isothermal process d. the adiabatic process
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What object a collides with object b and bounces back its final momentum is?
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Abird flies directly overhead from where you stand at an altitude of 300.0 m and at a speed horizontal to the ground of 20.0 m/s. the bird has a mass of 2.0 kg. the radius vector to the bird makes an angle \thetaθ with respect to the ground. the radius vector to the bird and its momentum vector lie in the xyxy-plane. what is the bird’s angular momentum about the point where you are standing?
Answers: 2
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