Physics, 05.11.2019 23:31 nutellangie
Aball is drawn from an urn containing 3 white and 3 black balls. after the ball is drawn, it is replaced and another ball is drawn. this process goes on indefinitely. what is the probability that of the first 4 balls drawn, exactly 2 are white?
Answers: 1
Physics, 22.06.2019 18:00, angie2118
Consider two regions of space containing a static electric field, region a and region b. in region a the equipotential lines are more closely spaced than those in region b. what can be said about the relative strength of the electric field in the two regions? a) the electric field in region a is stronger th
Answers: 3
Physics, 22.06.2019 19:30, isiahb123
A47.2 g block of copper whose temperature is 480 k is placed in an insulating box with a 91.8 g block of lead whose temperature is 200 k. (a) what is the equilibrium temperature of the two-block system? (b) what is the change in the internal energy of the two-block system between the initial state and the equilibrium state? (c) what is the change in the entropy of the two-block system? the heat capacities of copper and lead are 386 j/kg·k and 128 j/kg·k, respectively.
Answers: 1
Physics, 23.06.2019 01:00, thinkerbelly157
Two positive charges are equal. which has more electric potential energy?
Answers: 1
Aball is drawn from an urn containing 3 white and 3 black balls. after the ball is drawn, it is repl...
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