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Course Contents > HOMEWORK Set 10 (due Weds 1974 at 11:59PM) Carbon-14 dating - Timer Notes...
Course Contents HOMEWORK Set 10 (due Weds 12/4 at 11:59PM) Carbon-14 dating Timer Notes Evaluate ,...
Course Contents HOMEWORK Set 10 (due Weds 12/4 at 11:59PM) Carbon-14 dating Timer Notes Evaluate , Feedback Print The age of a piece of wood from an archeological site is to be determined using the Carbon-14 method. The activity of the şample is measured to be 0.670 times the Carbon-14 activity of living plants. What is the age of the sample in years? (The half-life of the Carbon- 14 isotope is 5730 years.) Tries 0/20 Submit Answer Send Feedback G...
Course Contents HOMEWORK Set 9 ( due Weds 11 ... Photoelectric effect (2) • Timer Notes...
Course Contents HOMEWORK Set 9 ( due Weds 11 ... Photoelectric effect (2) • Timer Notes Evaluate Feedback The work function of a certain metal is Q = 2.95 eV. Determine the minimum frequency of light fo for which photoelectrons are emitte from the metal. (Planck's constant is: h = 4.1357x10-15 eVs.) Submit Answer Tries 0/20 Determine the corresponding wavelength of light. (Possibly useful constant: hc - 1240 eVnm.) Submit Answer Tries 0/20 Calculate the kinetic energy of the emitted...
Course Contents > HOMEWORK Set 9 (due Weds 11. Muon Antimuon Collision Tier Notes Evaluate Feedback...
Course Contents > HOMEWORK Set 9 (due Weds 11. Muon Antimuon Collision Tier Notes Evaluate Feedback A muon and an antimuon are moving in opposite directions with velocities of -0.8 c and 0.8 c, respectively. When they collide, they can annihilate each other and turn into two identica photons. Both muon and antimuon have a mass of 105.66 MeV/c. What is the total energy before the collision? Sumit AnswerTres 0/20 What is the energy of each photon? Dom Ante Tries...
Course Congents HOMEWORK Set 9 (due Weds 11/27 at 11:59PM) Speeding RoCK StT An intergalactic rock...
Course Congents HOMEWORK Set 9 (due Weds 11/27 at 11:59PM) Speeding RoCK StT An intergalactic rock star bangs his drum every 1.70 s. A person on earth measures that the time between beats is 2.30 s. How fast is the rock star moving relative to the earth? Submit Answer Tries 0/20 Post Discussion Send Feedback
Course Contents » » Homework Set #8 (due tues 3/27 at 11:59PM) » Laminar flow concepts...
Course Contents » » Homework Set #8 (due tues 3/27 at 11:59PM) » Laminar flow concepts O Timer ? Notes d Evaluate (feedback-Print nInfo The figure illustrates flow through a pipe with diameters of 1.0 mm and 2.0 mm and with different elevations. Px is the pressure in the pipe, and V is the speed of a non-viscous incompressible fluid at locations x = Q,R,S,T or U D-1mm D-2 m PRis... Po B PR?S PT. VT is2VQ VT is Vu...
Course Contents > Homework >> Homework Set # 7 ( due ... >> Period of Sattellites...
Course Contents > Homework >> Homework Set # 7 ( due ... >> Period of Sattellites • Timer Notes Evaluate Feedback Print o ir The paths of two small satellites, M1 = 6.00 kg and M2 = 3.00 kg, are shown below, drawn to scale, with M1 corresponding to the circular orbit. They orbit around a massive star, also shown below. The orbits are in the plane of the paper. The period of M1 is T1 = 22.0 years. Calculate...
Course Contents HOMEWORKS 10 (due... Half life and activity of a radioactive ... - Timer Notes...
Course Contents HOMEWORKS 10 (due... Half life and activity of a radioactive ... - Timer Notes Evaluate Feedback A radioactive isotope has an activity of 8.86x109 Bq initially. After 3.65 hours the activity is 5.94x109 Bq. What is the half-life of the Isotope? Suomt Answer Tries 0/20
◆ ◆ Course Contents Week 2 Homework set due Friday» Car ·O Timer □ Notes evaluate...
◆ ◆ Course Contents Week 2 Homework set due Friday» Car ·O Timer □ Notes evaluate weetack-Print 6: Car Traveling through Intersection 01 - Position in 6 hours,33 A car is traveling East through an intersection at a constant speed. Consider East to be the positive direction. Draw a function that represents the position of the car as a function of time. (Help with Plotting Curves) Tries 1/10 Previous Tries Send Feedback 上
pre Come HOMEWORK due Weds. Spaceship at relativistie speed - Timer Notes Evaluate Feedback A spaceship...
pre Come HOMEWORK due Weds. Spaceship at relativistie speed - Timer Notes Evaluate Feedback A spaceship is 1600 m long when it is at rest. When it is traveling at a certain constant speed its length is measured by external observers and it is found to be 1255 m. What is the speed of the spaceship in terms of the speed of light? Hints: Objects moving at relativistic speeds shrink in the direction of motion. This is the so called...
Course Contents» Homework Set 2 (due Friday 1/.. Electric Potential Timer □ Notes Evaluate Feedback-Print The...
Course Contents» Homework Set 2 (due Friday 1/.. Electric Potential Timer □ Notes Evaluate Feedback-Print The electric potential at a position located a distance of 20.4 mm from a positive point charge of 8.50x10-9C and 13.6 mm from a second point charge is 1.18 kV. Calculate the value of the second charge
Course Contents HOMEWORK Set 10 (due Weds 12/4 at 11:59PM) Carbon-14 dating Timer Notes Evaluate , Feedback Print The age of a piece of wood from an archeological site is to be determined using the Carbon-14 method. The activity of the şample is measured to be 0.670 times the Carbon-14 activity of living plants. What is the age of the sample in years? (The half-life of the Carbon- 14 isotope is 5730 years.) Tries 0/20 Submit Answer Send Feedback G...
Course Contents HOMEWORK Set 9 ( due Weds 11 ... Photoelectric effect (2) • Timer Notes Evaluate Feedback The work function of a certain metal is Q = 2.95 eV. Determine the minimum frequency of light fo for which photoelectrons are emitte from the metal. (Planck's constant is: h = 4.1357x10-15 eVs.) Submit Answer Tries 0/20 Determine the corresponding wavelength of light. (Possibly useful constant: hc - 1240 eVnm.) Submit Answer Tries 0/20 Calculate the kinetic energy of the emitted...
Course Contents > HOMEWORK Set 9 (due Weds 11. Muon Antimuon Collision Tier Notes Evaluate Feedback A muon and an antimuon are moving in opposite directions with velocities of -0.8 c and 0.8 c, respectively. When they collide, they can annihilate each other and turn into two identica photons. Both muon and antimuon have a mass of 105.66 MeV/c. What is the total energy before the collision? Sumit AnswerTres 0/20 What is the energy of each photon? Dom Ante Tries...
Course Congents HOMEWORK Set 9 (due Weds 11/27 at 11:59PM) Speeding RoCK StT An intergalactic rock star bangs his drum every 1.70 s. A person on earth measures that the time between beats is 2.30 s. How fast is the rock star moving relative to the earth? Submit Answer Tries 0/20 Post Discussion Send Feedback
Course Contents » » Homework Set #8 (due tues 3/27 at 11:59PM) » Laminar flow concepts O Timer ? Notes d Evaluate (feedback-Print nInfo The figure illustrates flow through a pipe with diameters of 1.0 mm and 2.0 mm and with different elevations. Px is the pressure in the pipe, and V is the speed of a non-viscous incompressible fluid at locations x = Q,R,S,T or U D-1mm D-2 m PRis... Po B PR?S PT. VT is2VQ VT is Vu...
Course Contents > Homework >> Homework Set # 7 ( due ... >> Period of Sattellites • Timer Notes Evaluate Feedback Print o ir The paths of two small satellites, M1 = 6.00 kg and M2 = 3.00 kg, are shown below, drawn to scale, with M1 corresponding to the circular orbit. They orbit around a massive star, also shown below. The orbits are in the plane of the paper. The period of M1 is T1 = 22.0 years. Calculate...
Course Contents HOMEWORKS 10 (due... Half life and activity of a radioactive ... - Timer Notes Evaluate Feedback A radioactive isotope has an activity of 8.86x109 Bq initially. After 3.65 hours the activity is 5.94x109 Bq. What is the half-life of the Isotope? Suomt Answer Tries 0/20
◆ ◆ Course Contents Week 2 Homework set due Friday» Car ·O Timer □ Notes evaluate weetack-Print 6: Car Traveling through Intersection 01 - Position in 6 hours,33 A car is traveling East through an intersection at a constant speed. Consider East to be the positive direction. Draw a function that represents the position of the car as a function of time. (Help with Plotting Curves) Tries 1/10 Previous Tries Send Feedback 上
pre Come HOMEWORK due Weds. Spaceship at relativistie speed - Timer Notes Evaluate Feedback A spaceship is 1600 m long when it is at rest. When it is traveling at a certain constant speed its length is measured by external observers and it is found to be 1255 m. What is the speed of the spaceship in terms of the speed of light? Hints: Objects moving at relativistic speeds shrink in the direction of motion. This is the so called...
Course Contents» Homework Set 2 (due Friday 1/.. Electric Potential Timer □ Notes Evaluate Feedback-Print The electric potential at a position located a distance of 20.4 mm from a positive point charge of 8.50x10-9C and 13.6 mm from a second point charge is 1.18 kV. Calculate the value of the second charge
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