How far should a cellist move her finger to adjust a string's tone from an out-of-tune 449.9 Hz to an in-tune 440.0 Hz? The string is 68.2 cm long, and the finger is 17.3 cm from the tuning nut for the 449.9-Hz tone. (Assume the tone comes from the portion of the string between the cellist's finger and the end opposite the nut.

Q: Egg Drop. You are on the the physics building, 46.0 m ne ground (Fig. P2.70). Your professor, who is...

A: We know that the height of the building is h = 46 m and the height of the professor is y = 1.8 m, yo...

Q: are used. What is the electric field vector, E (x, y)?

A:

Q: Two forces acting concurrently. One force is 243 N at 37.7 degrees W of S and the other force is 452...

A:

Q: A water tank of Mr Ong springs a leak from which water emerges at 5.0 m/s. What is the height  of th...

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Q: The heating element of a coffeemaker operates at 120 V and carries a current of 5.50 A. Assuming the...

A:

Q: Word Walls of the following:  Frame of Reference Each Word Wall must include: The font expressing ...

A: The font expressing the feel of the word.   A frame of reference is a set of coordinates that can be...

Q: 21. Box Spring on a Ramp. A massless spring of natural length 10.0 cm and spring constant k = 10.0 N...

A:

Q: How many years older will you be 1.00 terasecond(Ts) from now? (Assume a 365-day year.

A: 1 min = 60s 1 hour = 60m 1 day  = 24 hour 1year = 365 day 1 year = 365×24×60×60s= 31536000

Q: W. AB.Z Option 1 Option 2 .CD Option 3 Option 4

A: direction of x and z are different , so they are not equal  Both direction and magnitude of AB and z...

Q: Vector quantity

A: Vector Quantity Vector Quantity are those quantity which have diarection and magnitude both.

Q: A defibrillator sends a 6.75 A current through the chest of a patient by applying a 9500 V voltage a...

A: Given data:  Current (I) = 6.75 A Voltage (V) = 9500 V Required: The resistance (R) in kΩ

Q: Eight identical point charges of Q(Coulomb) each are located at the corners of a cube of side length...

A: There are eight corners in the cube. Identical charges are placed at each corner of the cube.  We ha...

Q: Find the approximate change and percentage error in the kinetic energy if the mass changes from 49 t...

A: mass change from =49 to 49.5kg velocity changes from =1600 to 1590 m/s

Q: (a) The force between charge Q1 and Q2 is given F = 12 where d = distance between two charge Q1 and ...

A: For dimensions of charge Force=QQεL2Q=ForceεL2=MLT-2FL-1L2=ML2T-2F=M12L1T-1F1 Dimensions of current,...

Q: An object is found to have a net charge of -8.31 µC and a mass of 9.11 x 10¬4 kg. When it is put int...

A: Given data:  Charge (q) = -8.31 μC = -8.31x10-6 C Mass (m) = 9.11×10-4 kg Acceleration (a) = 2.17 m/...

Q: An aluminum nail has an excess charge of 3.1 µC (3.1 × 10¬6 C). How many electrons must be added to ...

A: In this question we have to find the number of electrons required to make the nail electrically neut...

Q: A car sits in an entrance ramp to a freeway, waiting for a break in the traffic. The driver accelera...

A: Initial velocity of car =0 Final velocity of car =15m/s Distance covered = 100m

Q: A pendulum bod weighing 500 g is suspended on a fine wire. What is the tension an the wire when the ...

A: The answer is below

Q: 1. Figure 1 shows a multi-loop circuit. Determine I1, Il2 and Is. 2.5 0 12 V 1.8 Q 2.6 0 10 V Figure...

A:

Q: a gas vessel contains oxygen gas at a pressure of 15 atm and a temperature of 25C if the volume of t...

A: Given: The pressure of the gas is 15 atm. The volume of the gas is 15 L. The temperature of the gas ...

Q: (Q1) Light of wavelength 424 nm falls on a metal which has a work function of 2.28 eV. a) How much v...

A:

Q: what is the direct relationship between temperature and speed of sound?

A: There is a simple relationship between temperature and the speed of sound. The speed of sound increa...

Q: 2. (i) Determine the magnitude and direction of net magnetic field, Bnet at point P which is located...

A:

Q: 2. (1) Determine the magnitude and direction of net magnetic field, Bnet at point P which is located...

A:

Q: 1. Determine the work to empty a semispherical pool filled with water if the radius of the pool is 1...

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Q: INITIAL LENGTH 700MM INITIAL READING IN MICROMETER OMM CALIPER FINAL READING IN MICROMETER CALIPER 1...

A:

Q: 62 wWw 12Ω A В 20 E F -wW- 20Ω

A: (i) 4,6,12 ohm are in parallel connection  So, 1/R= 1/6 + 1/4 + 1/12       R = 2 ohm  (ii) 5, 20 are...

Q: Three capacitors are connected to a battery as shown in the figure below. Their capacitances are C, ...

A:

Q: 9. Which of the following is a vector quantity? O Speed Distance Mass Velocity 10. A girl leaves a h...

A: Here the options are 1. Speed - Speed is a scalar quantity as it has only magnitude no direction. By...

Q: A ring which is initially placed at the height h (as measured from its center), rolls down an inclin...

A:

Q: After 1.82 days, the activity of a sample of an unknown type radioactive material has decreased to 9...

A:

Q: The steel bed of a suspension bridge is 200 m long at 20 °C. If the extremes of temperature to which...

A: Given bridge  length L =200m at temperature t=20°C And  temperature exposed are - 30°C to +40°C We h...

Q: Given the ff vectors : A = 5 km, East ; B = 8 Km west ;C = 7 km, south ;D = 4 km, north ; E = 9 km, ...

A: We have given the five vectors  is given as  A→= 5i^ km  &    C→= -7 j^ km B→= -8i^ km  & D→...

Q: Table 1: Balance Points of Objects Left Side Object A Left Side Object B Right Side Object C Right S...

A:   Left Side Object A   Left Side Object B   Right Side Object C   Right Side Object D     m r m r ...

Q: In a lab activity, forces A and B were set on the force table. A = 0.10 N at 0 degrees and B = 0.10 ...

A:

Q: A wave has a frequency of 35 Hz. What is the period of the wave?

A: Given data The frequency of the wave is given as f = 35 Hz.   The mathematical expression for the ...

Q: (Q5): How much energy is released in the following nuclear reaction: n+ U→Sr + Xe + 12 n 136 38 Assu...

A:

Q: A particle charge of 1.8 µC is at the center of a Gaussian cube 65 cm on edge. What is the net elect...

A: The answer is below

Q: Part A A downward electric force of 3.2 N is exerted on a -8.2 µC charge. Find the magnitude of the ...

A: Given : Force = 3.2 N and charge is 8.2 micro coulomb

Q: Blocks with masses of 3.0 kg, 4.0 kg, and 5.0 kg are lined up in a row on a frictionless table. All ...

A: The answers are below

Q: 3. Compute the heat and work for the following reversible processes of a monatomic ideal gas (see th...

A: We have been given P,V,T at different points, P1=2 bar=2*105Pa, V1=1 L=10-3m3, T1=300 K, P2=1 bar=10...

Q: Which statement best describes the motion of the car over the 20 seconds?

A:

Q: 1. The forces that two charges exert on one another is a pair of action-reaction forces. True or Fal...

A:

Q: a bus is travellung with a uniform velocity of 20 m/s. at the instant it passes a car at rest, the ...

A: velocity of bus = 20m/s acceleration of car = 4m/s2 Initial velocity of car = 0 Over take in time t

Q: In an experiment, 190 g of aluminum (with a specific heat of 900 J/kg•K) at 53.0°C is mixed with 81....

A:

Q: 1. A 3 kg ball moving to the right on a frictionless table at 5 m/s makes a head on collision with a...

A: Given a 3kg ball moving with velocity Va =5m/s and the another ball whose mass is also same 3kg movi...

Q: 4. A block of mass m accelerates up a slope that has friction. a. Draw a free-body diagram for the b...

A:

Q: 7. What is the magnitude of the net electric field |Enet| at the point (4.5, 0) m?

A: In this question we have to determine the net electric field at the specified point. Please give pos...

Q: What is the separation of two -4 microCoulomb charges if the force of repulsion between them is 200 ...

A: The answer is below

Q: A horse performs 15000 joules of work pulling a wagon for 20 seconds. What is the horse's power?

A: Work done by horse by pulling wagon =15000jule time = 20s

Stretched string

A stretched string is a wire which is made up of any metal that must have a larger length compared to its thickness. The ends of the wire are fixed, and when they oscillate or are plucked, it produces two reflected transverse waves of the same frequency and same amplitude. The waves or pulses are traveling in alternate directions and superimpose with one another. This waveform is named standing or stationary waves.