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Peter D.'s Resources

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Probability (answer)

p(1st or 2nd or 3rd or 4th) = P(1st) + P(2nd) + P(3rd) + P(4th) = 4 X 0.02 = 0.08

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Probability (answer)

1. P(H or K or B or T) = P(H) + P(K) + P(B) + P(T) = .25 + .4 + .15 + .2 = 1 or 100%   2. P(B and T) = P(B)P(T) = .15 X .2 = 0.03 or 3%   3. P(K or H or B) = P(K) + P(H) + P(B) = .4 + .25 + .15 = 0.8 or (80%)

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Living organisms consume and produce macroscopic or microscopic objects, depending on their size. Even microscopic objects consist of an almost uncountable number of molecules (molecules consist of several atoms or more). So, since living organisms are generally much larger than what they consume...

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coord sys is up, and the ground is y=0, a = -g. a) v^2 - v0^2 = -2g(y-y0) v=0,y0=50m. Solve for y. b)v=v0-gt at max height, v=0. v0=15. Solve for t. c) at 2Xt in b, v=15m/s down at 50m. v^2-v0^2 = -2g(y-y0) v0=15, y=0, y0=50, solve for v coord sys down here d)...

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1980: .36X0+15.9 = 15.9 1981: .36X1 + 15.9 = 16.26 1982: 16.26 + .36 = 16.62 1983: 16.62 + .36 = 16.98 the rest are > 17

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Let f(x)=xexp(x)   M(t) = ∫–∞∞ exp(tx)f(x)dx   = ∫ d[exp(x(t+1))/(t+1)]x         (do integration by parts)   M(t) = (x/(t+1))(exp(x(t+1)) - ∫dx(exp(x(t+1))/(1+t)   evaluated at x = -inf and...

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When the nucleus is formed, the mass per nucleon decreases. The energy equivalent of the mass decrease, found with E=mc^2, is the binding energy.

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