
E31.2 What is the decay constant of 236U? Enter your answer to 3SigFigs. Units are not...
E31.2 What is the decay constant of 145Pm? Enter your answer to 3SigFigs. Units are not required, but the decay constant is in 18years. Check E31.7 What is the Binding Energy per nucleon of 28 Si? Enter your answer to 3SigFigs with proper energy units of nuclear Physics. Check
The units found in your answerwerem 312 What is the decay constant of 23007 Enter your answer to 35s Units are not required, but the decay constant is in tears su 40 ct EJL What is the finding rere nucleon of 23 The Enter your is with proper energy of nucle Physics 278 MV Your last was preted as follows 7.78 MV The units found in your MeV) tion 41 46. Calculate the activity of MacBook Air 13 2 $...
E31.7 What is the Binding Energy the last neutron of 32P? Enter your answer to 3SigFigs with proper energy units of nuclear Physics. Check
Ch31 P7 What is the radius of 238U? Enter with 3SigFigs and proper units.
Ch31 P7 What is the radius of 26Al? Enter with 3SigFigs and proper units. Check
Ch31 P7 What is the radius of 238U? Enter with 3SigFigs and proper units. Check
5. What is the background radiation at your table if you measure 6.0000E + Ocounts in 1.8947E + 1sec? 1.90E2 cpm. Your last answer was interpreted as follows: 1.90E + 2 8. If you measure a particular sample of Sr-90 to have an activity of 7.2500E + 2 counts per minute what is this corrected for background (3SigFigs)? 5.35E2 cpm. Your last answer was interpreted as follows: 5.35E + 2
(a) Write the decay equation for the a decay of 228 *Th. (Enter your answer in the form ^x.) chemPad Help x. Greek (b) What energy (in MeV) is released in this decay? The mass of the daughter nuclide is 224.00679 u. (Assume 1 u = 931.5 MeV/c2. Give your answer to at least 2 decimal places.) MeV (c) Assuming the residual nucleus is formed in its ground state, how much energy (in MeV) goes to the a particle? (Give...
If the decay constant for 14C is 1.210×10−4 yr−1, and the natural rate of decay is 13.60 disintegrations/min/g C, what is the age (in years) of an object that exhibits 8.200 disintegrations/min/g C? Remember to use correct significant figures in your answer (round your answer to the nearest whole number). Do not include units in your response.
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The picture below shows a pulley with an axel. There is a force, Fr = 20.0N accelerating the pulley. The force of friction between the axle and the pulley is Fir = 10.0milliN with an axle radius of 0.6cm. The mass of the pulley is 2.0kg, and it's radius is Ro = 500.0cm. (a) What is the angular acceleration of the pulley? (b) What...