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Physics, 22.06.2019 09:50
If an athlete runs once around a track, back to the starting line, her average velocity is zero. true or false?
Answers: 3
Physics, 22.06.2019 10:10
Henry, whose mass is 95 kg, stands on a bathroom scale in an elevator. the scale reads 830 n for the first 2.4 s after the elevator starts moving, then 930 n for the next 2.4 s. part a what is the elevator's speed 4.8 s after starting? express your answer with the appropriate units.
Answers: 2
Physics, 22.06.2019 11:10
Consider an insulating crystal, made up of layers of atoms. what form would you expect the temperature dependence of the phonon heat capacity to approach at extremely low temperatures if the interlayer coupling is i)very strong (rigid coupling), and ii) very weak. explain.
Answers: 3
Physics, 22.06.2019 19:40
Two charged particles, q1 and q2, are located on the x-axis, with q1 at the origin and q2 initially at x1 = 12.2 mm. in this configuration, q1 exerts a repulsive force of 2.62 µn on q2. particle q2 is then moved to x2 = 18.0 mm. what is the force (magnitude and direction) that q2 exerts on q1 at this new location? (give the magnitude in µn.)
Answers: 1
Mathematics, 05.05.2020 11:30
English, 05.05.2020 11:30
Mathematics, 05.05.2020 11:30
Chemistry, 05.05.2020 11:30
Mathematics, 05.05.2020 11:30
Mathematics, 05.05.2020 11:30
Chemistry, 05.05.2020 11:30
Mathematics, 05.05.2020 11:30
English, 05.05.2020 11:30
Mathematics, 05.05.2020 11:30
Mathematics, 05.05.2020 11:30
Mathematics, 05.05.2020 11:30