Verify by substitution that the following equations arc solutions to Equations 33.19 and 33.20, respectively:
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Chapter 33 Solutions
Physics for Scientists and Engineers
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- Bacteria can be identified by using a time-of-flight mass spectrometer to measure their chemical composition. First, a very short laser pulse vaporizes and ionizes a bacterial sample. The positive ions are accelerated, in vacuum, through a -15 kV potential difference, and then they travel at constant speed through a 1.5-m-long drift tube to a detector that records their arrival times. An ion's time of flight depends on its mass, so a record of the arrival times can be used to determine the masses of the biomolecules that were released from the bacteria. Each type of bacteria has a unique set of proteins with different masses, so the mass spectrum is a fingerprint for identifying bacteria. Part A What is the mass in kDa of an ionized protein that is detected 51 us after the laser pulse? You can assume that the protein is singly ionized (g = +e) which is mostly true in practice. You can also neglect the time needed to accelerate through the potential difference because it is very small…arrow_forwardFor the circuit shown in Fig. Q2(b), assuming the switch has been opened for a very long time, when the switch opens at t = 0 s, compute the current i, (t) and voltage v₁ (t) when the switch S₁ is closed. 27 V S iL + VL - L → 158 mH 3.5 mA Fig. Q2(b) 6.6 ΚΩ Rarrow_forwardTwo wires AC and BC are attached to a 7 Kg sphere that It rotates at constant speed v in the horizontal circle shown in the figure. Yes θ1 = 55° and θ2= 30 ° and d 1.4 m, determine the range of values of v for which both wires are held taut.arrow_forward
- Someone please answer this in the shortest time possible. About 7 to 10 minutes kindlyarrow_forwardQUESTION 18 Given that the following is a series of 8 LED lights ΩΩΩ ΩΩΩΩΩ And Convert 255 from decimal to an 8 bit binary representation by selecting all the lights that would be lit (on). 27 26 25 24 3 22 21 2 128 64 32 16 4 2 1arrow_forwardQ4: Show detailed work and pay attention to the units. There are two different ways to calculate the potential difference across the bar, using the motional EMF expression or Faraday's Law. Show that both methods give the same answer. Use the right hand rule to figure out which end of the bar (A or B) will be at a higher potential due to the motion of the conductor in the field.arrow_forward
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