The uniform 15-m pole has a mass of 110 kg and is supported by its smooth ends against the vertical walls and by the tension T in the vertical cable. Compute the magnitudes of the reactions at A and B. B T 10 m 5 m 12 m
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- Part A Calculate the total binding energy, and the binding energy per nucleon, for Li. The masses of the atoms of Li and H are 7.016004 u and 1.007825 u, respectively. The mass of a neutron is 1.008665 u. Express your answers using four significant figures separated by a comma. Etotal, Eper nucleon = MeVFind the minimum sample size n needed to estimate μ for the given values of c, σ, and E. c=0.90, σ=7.4, and E=2 Assume that a preliminary sample has at least 30 members. n=enter your response here (Round up to the nearest whole number.)Determine the reactions Ay and By at the supports A and B, respectively. Ay Reaction Av 1. 15.6 2. 18.7 3. 19.3 4. 17.5 Reaction By 1. 13.6 2. 14.8 3. 17.3 4. 16.7 8 k 3 ft 3 ft. 6 ft 24 k 6 ft 4 ft 4 k By
- Enthalpy of fusion of water: 333.6 J/g (6010 J/mol)A radioactive sample has a half-life of 1.0 min. That is, each nucleus has a 50% of undergoing a decay sometime between t = 0 and t = 1 min. One particular nucleus has not decayed at t = 15 min. Part A What is the probability that this nucleus will decay sometime between t = 15 min and t = 16 min? Express your answer using two significant figures. ΤΟ ΑΣΦ ? %A nuclear fusion reactor such as ITER is expected to use the nuclear reaction, H + H → X +Y+ 17.59 ? Write this reaction with the correct symbols in place of the question marks.
- From the following data for the first-order gas- phase isomerization of CH3 NC at 215 °C, calculate the first-order rate constant and half-life for the reaction: Time (s) Pressure CH3 NC (torr) 4 Part A Calculate the first-order rate constant. Express your answer using three significant figures. 0 510 2000 345 5000 192 8000 107 12000 49 15000 27.3 Part B k ΜΕ ΑΣΦ Submit Request Answer 0 ? Calculate the half-life. Express your answer using three significant figures. ΑΣΦΑ Ο ΑΣΦ 1/2 ? 8-1 SFind how many neutrons are in the following real or imaginary nuclei that are represented in the form ZXA: (a)79X180, (b)15X30, (c)6X12, (d)90X199.In a neutron star the entire star’s mass has collapsed essentially to nuclear density. For a neutron star with radius 10 km and mass 4.50 x 1030 kg, find the Fermi energy of the neutrons
- A neutron in a star makes an elastic head-on collision with a carb on nucleus initially at rest. The mass of the carbon nucleus is 12 times the mass of the neutron mn = 1.7 ×10^−27kg. The initial kinetic energy of the neutron is 1.6 × 10^−13J. a) Show that the final speed of the carbon nucleus, Vc, is given by (see image) where vn is the initial speed of the neutron.Question No. 2: The maximum allowable value of each of the reactions is 180 N. Neglecting the weight of the beam, determine the range of the distance d for which the beam is safe. 100N 150 N 450 mm 450 umThe gold nucleus has a mass of 3.27 × 10–25 kg. What is the density of the nucleus (in g cm–3)? 2.7 × 1014 3.5 × 1014 1.4 × 1014