Exercise 3.4. Imaging by a system formed with a converging lens... | Filo (2024)

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A ball is moving towards a wall (which is not fixed and free to slide on the smooth floor). If after the collision wall starts sliding with the speed of 2m/s, then the recoil speed of the ball (e=1) will be ______m/s.

Two wires are identical, except that one is aluminum and one is copper. The aluminum wire has a resistance of 0.20Ω. What is the resistance of the copper wire?

As shown in the figure, a small particle of charge q = -2.56410-3 fC and mass m = 32.86 10-3 dg has velocity Vo = 0.354 10^9 KPH as it enters a region of uniform magnetic field. The particle is observed to travel in the semicircular path shown, with radius R = 1.765 dm. Calculate the magnitude and direction of the magnetic field in the region.

Repeat Problem 2.21 for TiO2​, which, like Al2​O3​, is an intermediate glass former.

In the first answer box below, please provide the Specific Mechanical Energy of a proton in a closed orbit around the Earth with a semi-major axis = 6671 km.In the second answer box below, please provide the Specific Mechanical Energy of the International Space Station, ISS, in a closed orbit around the Earth with the same semi-major axis as the proton in the question above.Proton's mass = 1.673 x 10^-27 kilogramsISS's mass = 4.195 x 10^5 kilogramsThe gravitational parameter for Earth = 3.986 x 10^14 m^3/s^2 = 3.986 x 10^5 km^3/s^2Size of semi-major axis of proton's and ISS's orbit = 6671 km = 6.671 x 10^6 metersFor both answers: Please provide the correct value to two decimal places and with units of km^3/s^2. Don't include the units in your answer, that will only confuse the auto-grader: Just include the digits. For instance, if an answer is 1.2345 km^2/s^2, just enter 1.23 into the answer box.The specific mechanical energy of the proton = km^2/s^2The specific mechanical energy of the ISS = km^2/s^2