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- Two piles of sand are combined to make a larger pile. The mass of the first pile of sand is 30 kg ± 0.01 kg and the mass of the second pile is 34 kg ± 0.01 kg. Calculate the mass of the combined pile and the associated uncertainty in this mass, to 2 s.f.To calculate the average velocity, a distance is measured that is 19.5 meters with an uncertainty of 0.2 meters. Additionally, the time to travel this distance is 4.96 seconds with an uncertainty of 0.2 seconds. What is the uncertainty of the average velocity measured, in m/s?..................... The dimensions of the quantity kinetic energy, designated by K, are kg m/s, It can be written in terms of the momentum p and mass m as K = 2m (a) What are the units of momentum in terms of fundamental SI units? (Use the following as necessary: kg, m, and s.) [P) - (b) Force is measure in units of newtons, N, where 1N- 1 kg m/s. What are the units of momentum p in terms of a newton and another fundamental SI unit? (Use the. following as necessary: N, m, and s.) [P) = (c) What If? Physicists often measure the momentum of subatomic particles moving near the speed of light in units of MeV/c, where c is the speed of light, and 1 Mev = 1.6 x 101 kg m/s. Based on this, what are the units of momentum for a high-speed subatomic particle in terms of fundamental SI units? What are the units of momentum for a high-speed subatomic particle in terms of a newton and another fundamental SI unit? [P] -
- Assuming that each cubic centimeter of water has a mass of exactly 1 g, find the mass of 8.70 cubic meter of water. (b) Suppose that it takes 15.0 hours to drain a container of 39.4 m3 of water. What is the "mass flow rate," of water from the container?(Please refer to Fig. 1) W = FAx (Equation 1) F = qE (Equation 2) APEelec = -W (Equation 3) Substituting Eq. 1 in Eq. 3, APE elec Then subs. Eq. 2 in Eq. 4, 4. What does q means in the derived equation? = -FAx (Equation 4) APE etec = -qEAx (Eq. 2.1) Which is what we need to derive.Can i get some help please
- (a) Assuming that each cubic centimeter of water has a mass of exactly 1 g, find the mass of 6.67 cubic meter of water. (b) Suppose that it takes 12.7 hours to drain a container of 50.5 m³ of water. What is the "mass flow rate," of water from the container?(a) Assuming that each cubic centimeter of water has a mass of exactly 1 g, find the mass of 8.88 cubic meter of water. (b) Suppose that it takes 15.5 hours to drain a container of 87.0 m3 of water. What is the "mass flow rate," of water from the container?The rate of decay of the radioactive isotope Free Neutron 239 is given by: M = -1.1 x 10-³M where M is the mass of the isotope in grams and t is time measured in minutes. A sample initially contains 3 grams of the isotope. What is the mass of the isotope present in the sample after 320 minutes? The mass is grams. Round your answer to 3 significant figures, if needed. b) How long does it take for the mass of the isotope in the sample to fall to 1.5 gram? It takes t = minutes. Round your answer to the nearest integer if needed.
- Hi!! Can you help me what goes in each boxes? Thanks!!the average density of an atom is approximately 103 kg/m3. The nucleus of an atom has a radius about 10-5 times that of the entire atom, and contains nearly all the mass of the atom. What is the approximate density, in kilograms per cubic meter, of a nucleus?Note:- Do not provide handwritten solution. Maintain accuracy and quality in your answer. Take care of plagiarism. Answer completely. You will get up vote for sure.