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A: The correct option is B. With θ1 = 30 and θ2 = 60 we get, a = 0.45 m/s2
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A: Given:- Fnet = qE- mga = Fnet m = qEm-g Where, u = 0 s = d a = qEm-g
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Q: why transmission of electrons occours at metal boundry during thermionic emission?
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A: The decay constant for Po211 can be calculated as below, Here τ is the half-life of Po211.
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A: r = <t, 2t 2 , -3t5 +5> v = dr/dt =<1, 4t, -15t 4> a = da/dt =<0, 4, -60t 3>
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