8 What is the A-weighted level for the following sound levels/frequency spectrum? Octave Band Centre Frequency 63 (Hz): Sound Pressure Level (dB): 83 a. 65 dBA b. 81 dBA c. 86 dBA d. 91 dBA 125 85 250 500 1000 2000 4000 8000 83 85 81 76 72 65

Q: can you answer question 12?

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Q: Assume the average value of the vertical component of Earth's magnetic field is 48 µT (downward) in…

A: Given, magnetic field B = 48 μT = 48 × 10-6 T area A = 3.10 × 105 km2 = 3.10 × 105 × (103 m)2…

Q: Constants The downward forces represent the weights of machinery on the beam shown in (Figure 1).…

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Q: slope =..... k=...... Slope = ……. % Error (k) The true value (which used in your experiment), kr =…

A: This problem can be solved using basic formula of slope of any graph and it is related to the…

Q: What is the current in a 43 k2 resistor with 110 V across it? Hνα ΑΣφ I = 2.55 A Submit Previous…

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Q: Mk=0.7. 10 kg TIR A 10-kg box is at sliding to the right on the floor. A rope is attached to the box…

A: mass of box = m = 10 kg co efficient of friction = 0.7 acceleration = a = 6 m/s2

Q: Class Management | Help Homework 3 (2-D Vectors/Projectile Motion) Begin Date: 6/5/2022 12:01:00 AM…

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Q: 6.2 Radiation heat transfer (Show your Work) A woodstove in an Amish living room is a rectangular…

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Q: 1.05 (b) The elevator continues upward at constant velocity for 8.2 s. (i) Newton's Law in the…

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Q: 5. A merry-go-round (diameter 4.2 m) is rotating freely with an angular velocity of 0.80 rad/s. Its…

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Q: When it comes to magnets, like poles... O don't interact. O attract. O repel.

A: Answer:

Q: Part A What's the current in a 17 mH inductor when the stored energy is 48 µJ ? Express your answer…

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Q: 4. Show that functions (a) x = A sin wt, (b) x = A sin wt + B cos wt, (c) x = A cos(@t + ¢)

A: The given equations are, a) x = A sin ωtb) x = A sin ωt + B cos ωtc) x = A cos ωt+ϕhere,ω = ksMA, B,…

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Q: 1. Re-write the following measurement results in their clearest form, with suitable numbers of…

A: “Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for…