- Part A How many electrons move through a cross secion of the wire each day? Express your answer using two significant figures. aluminum wire at 25x10m/s "N Submit Previoun Answern BReavest Answer X Incorrect; Try Again; 5 attempts remaining Provide Feedack

Q: Explain the steps to find the answer. Show which equation you are using and why you are using it. Al...

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Q: A system consists of three masses mA= 0.4 kg, mB= 0.5 kg, and mC= 0.8 kg. The system is positioned i...

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Q: What does the coefficient of volume expansion of a fluid represent? How does it differ from the coef...

A: Here we will discuss about the coefficient of volume expansion of a fluid.

Q: A particle moves with SHM between two points which are 8.2 cm apart. At the instant when the particl...

A: GivenAmpltude of particle , A=8.2 cmat distance ,x=2 cm particle has acceleration ,a=48.6 cm/s2

Q: Compare the amount of charges stored in a 5μF and a 40 μF capacitor when connected across a 20V supp...

A: two capacitor with capacitances   C1 = 5 μF   and  C2 =  40 μF .       1 μF =  10-6 F   connected ac...

Q: Four point charges are fixed to the corners of a square of side d as shown in the figure below, wher...

A: q1 = qq2 = -3qq3 = 5qq4 = 2qq = 6 μC d = 17 cm = 0.17 m   

Q: In which medium does a sound wave travel faster: in cool air or in warm air?

A: Sound : Sound is produced by vibrating objects. The sound travels in the form of longitudinal waves....

Q: A block with a mass of 9.32 kg is placed on a ramp. The ramp has an incline of ? = 20.2 degrees from...

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Q: Convert the units: The acceleration of a freely falling object is 9.81 m/s2. Use 1 ft = 30.48 cm to ...

A: Using the conversion factor 1 ft=30.48 cm. We will answer the question.

Q: DA What is the voltage in mV across an 6.5 nm thick membrane if the electric field strength across i...

A: if the uniform electric field E exists in  the region then then the potential difference b/w any two...

Q: For each part, draw a picture that identifies the object of interest and draw a free body diagram wi...

A: In the given question we have two situation 1) A baseball player is sliding into second base. 2) You...

Q: Problem 3: While sliding a couch across a floor, Hannah and Andrea exert forces FH and FA magnitude ...

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Q: Determine an expression for the E field at a point that is a distance d from both charges. Express y...

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Q: The seventh harmonic of a standing wave on a string is 280 Hz. What is the frequency of the fourth a...

A: Seventh harmonic is 280 hz  So, fundamental frequency               = 280/7 = 40 hz

Q: What is the length of an organ pipe (open at both ends) that produces a fundamental frequency of 480...

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Q: A woman stands on a bathroom scale in a motionless elevator. When the elevator begins to move, the s...

A: Given Actual weight = mg  Apprant weight = normal Reaction = 0.62 mg 

Q: Two long, parallel wires, each with a mass per unit length of 12 g/m, are supported in a horizontal ...

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Q: *1.8 PQ< In your own words, what actions need to be taken in each step of the grid method?

A: In this question we have to explain the steps needed to be taken in the grid method. Please give pos...

Q: A controller on an electronic arcade game consists of a variable resistor connected across the plate...

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Q: 40 To what height should a box of mass 150 kg be lifted, so that its potential energy may become 735...

A: Given data :              Mass.   =  m             Gravity  =  g            Potential energy  =  P•E...

Q: Part A A sun-like star is barely visible to naked-eye observers on earth when it is a distance of 7....

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Q: The motion of a vibrating particle is defined by the position vector r = 10(1 − e−3t)i + (4e−2tsin 1...

A: Radius is given, we have to find the velocity and acceleration when t=0

Q: Find the resultant of the concurrent force system shown in Figure.

A: When there are two or more force acting on a body , then net force will be vector sum of individual ...

Q: Background: A small circular loop of wire of radius 5 cm and resistance 1E-3 Ω is centered inside a...

A: GivenRadius of small circular loop, r1=5 cm=0.05 mResistance ,R=10-3 ohmRadius of large circular loo...

Q: Starting in Albany, you travel a distance 431 miles in a direction 22.2 degrees north of west. Then,...

A: Given: 431 miles in ∠22.2 North of West 485 miles in ∠12.8 North of East   On considering the above ...

Q: 6. Get the resultant of the following displacement 6 ft. southwest; 10 t. north-east; 4 ft. south-ea...

A: 6.  Given: A = 6 ft (SW)B = 10 ft (NE)C=4ft (SE)D=12 ft (NW)E = 3 ft (SW)

Q: Part A A circular wave travels outward from the origin. At one instant of time, the phase at r1 = 23...

A: Given Information:- Phase of the wave at r1=23.0 cm is ϕ1=0 rad Phase of the wave at r2=87.0 cm is ϕ...

Q: Suppose the river is flowing east at 3 m/s and the boat is traveling south at 4 m/s with respect to ...

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Q: The current in the circuit above is 0.5 A. We will refer to the battery on the left as 1, and the ba...

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Q: The radius of the earth is 3960 miles. If the gravitational acceleration of the earth surface is 3...

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Q: The Curve Fit tool (Logger Pro software) was used to obtain the slope m of the straight line. The re...

A: Step1: Overview The mean value and the uncertainty should contain an equal number of digits after th...

Q: Two charges of q, = 1.6 µC and q, = -2.6 µC are d = 0.30 m apart at two vertices of an equilateral t...

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Q: water in a bucket being swung in a vertical circle: Tension

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Q: T1 T2

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Q: 4. Use Gauss' Law to find the electric field per length inside a coaxial conductor having a linear c...

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Q: What is the minimum radius at which an airplane flying at 300 m/s can make a U-turn if its centripet...

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Q: Computation. How many ml of water is needed for 80 g of cold cream preparation? 1000 g of cold cream...

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Q: 9-10. Three resistors of 2.0 , 3.0 2, and 4.0 0 are connected in (a) series and (b) parallel. Find t...

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Q: A flute (open at both ends) plays a fundamental frequency of 196 Hz. The length of the air column is...

A: the fudamental frequency of organ pipe open at both the ends is  given by  f = v/2l where  f = funda...

Q: Fc =4oN 4. he minute hand of a large clock is 0.50 m long 6amin -K- 3600 s (60k60)= T Min (A) Calcul...

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Q: A bowling ball (mass = 7.4 kg, radius = 0.11 m) and a billiard ball (mass = 0.37 kg, radius = 0.028 ...

A: mass of bowling ball (M) = 7.4 kg radius of bowling ball (R) = 0.11 m Mass of billiard ball (m) = 0....

Q: A copper wire has a resistance of 15 Q at a temperature of 140C. After a current passes through the ...

A: We have givenR1=15 ohmT1=14°CAfter passing currentR2=22.5 ohm

Q: 0.0058 kg/m is fixed at both ends. A 5.0-kg mass is hung from A string with a linear mass density of...

A: For equilibrium net force acting on the system must be zero and horizontal as well as vertical force...

Q: straight wire of mass 10.8 g and length 5.0 cm is suspended from two identical springs that, in turn...

A: Given Mass of wire = 10.8 g =10.8×10-3 kg Extension in spring x = 0.54 cm = 0.54 × 10-2 m Force expe...

Q: Scenario: On a string of a certain musical instrument, waves travel with speed 650 m/s. Question: If...

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Q: A 32-kg object #1 having an initial velocity of 42 m/s to the right collides with a 68kg object #2 m...

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Q: Consider the circuit in the figure below. # 2 # 3 # 4 # 1 #6 # 5 #7 6 V # 8 15. True or False: Bulb ...

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Q: f= 1/T V (2r) / T a = V² / r (mls) Fe = m ac Fe= (mV²)/ r (N) Formulas: T= 1/f (S) (Hz) (N) A 0.5 kg...

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Q: figure below shows a family of parallel equipotential surfaces ( in cross section) and five paths al...

A: Charge on electron =-1.6 × 10-19 C Electric field is negative gradient of electric potential.

Q: A positron collides head on with an electron at the SLAC National Accelerator Facility. The positron...

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