What is the speed of sound in air when the air temperature is 31 °C? A shell fired at a target 800 m distant was heard to strike it 5.0 s after leaving the gun. Compute horizontal velocity of the shelL. The air temperature is 20°C.

Q: 1. Resolve A. "30" of “35 m at 30°". B. "35m" of "35 m at 30". C. How much of the vector is in the x…

A: Vector-A physical quantity possess both magnitude and direction is called a vector. Consider a…

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Q: In figure-1, the coordinate of point charge q = 14 µC is P¡ (10,9) , the coordinate of charge q2 =…

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Q: B A coin sits on a rotating turntable as shown in the figure. At the time shown in the figure, which…

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Q: 1) What is a catalyst ? Differentiate a catalyst from an inhibitor and give a sample of each and…

A: Reaction rates can be altered using catalysts or inhibitors.

Q: Draw a diagram of the situation and determine the magnitude of the electric field (in N/C)

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Q: QUESTION 1 Your mass is 88.2kg. When you stand on a trampoline it sags by 0.38 m. The trampoline…

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A: C is correct

Q: What is the maximum kinetic energy of photoelectrons ejected from sodium by the incident radiation…

A: Given that-Wavelength of incident radiation is 450 nmThe photoelectric equation,hf=ϕ+ K.Ehere, ϕ is…

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Q: Three blocks are connected on the table as shown below. The coefficient of kinetic friction between…

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Q: 12) Waleed is driving a truck loaded with watermelons. He breaks suddenly to avoid running over the…

A: ux=Velocity in x direction=10 m/suy=Velocity in y direction=0t=Time takenFunction of curve…

Q: 3. When the net equilibrium. 4. Equilibrium is the additional force you apply on an object to ba 5.…

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Q: 2. Sketch the f v.s. Uind graph for given data table. Determine the value of µo and calculate the…

A: The graph for the given table is as follows:

Q: Starting from rest, a plane is able to go from 0 m/s to 70 m/s over the course of 7 seconds. During…

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Q: A positive charge q,2.50 uC on a frictioniess horizontal surface is attached to a spring of force…

A: q1 = 2.50 μC q2 = -8.65 μC initial distance between two charges = 9.50 cm final distance between two…

Q: A long nonconducting wire has a charge of uniform density (4 nC/m) distributed throughout its…

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Q: For a spherical surface with radius 0.4 m and is charged by 25 nC, the electric Potential V at r =…

A: The radius of the spherical surface is R = 0.4 m. The charge on the spherical surface is Q = 25 nC =…

Q: A coin is released from a certain height above ground and falls freely from rest. The coin needs 2 s…

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Q: 2. Sketch the f v.s. Uind graph for given data table. Determine the value of µo and calculate the…

A: The graph for the given table is as follows:

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Q: At a distanced from a charge, the magnitude of the electric field is E. What would be the magnitude…

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Q: A7.2×102T magnetic field passos through a circular ring of radius 5.0 CIa at an angle of 24 ° with…

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Q: 7. What is induced voltage and induced current? How did you obtain induced voltage and current in…

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Q: What is the estimated VOLUME expansion coefficient, B f.

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Q: W o = 5.67 x 10-8 m2 K Nglass = 1.5, 1.33, nwater Question 1 Light is incident on the surface of a…

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Q: 7. What types of metals will a magnet attract? 8. Electrostatic forces are the forces exerted by a…

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Q: Calculate the currents Given: E = 5 V, J = 1 A, R1 = 2 N, R2 = 10 UN 0 IN 2 3 4 5 V 1 2 4 7 A

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Q: Calculate the wavelength of a photon emitted by a hydrogen atom when its bound electron undergoes a…

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Q: 3. A particle with mass m and charge q=+1.6× 10C has a speed of v-4.5x10' m/s at point A. It enters…

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Q: What mass in kg of rain falls on the lawn in 6 h and 2 min, if each raindrop weighed 13.0 ng and on…

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Q: Starting with Gauss's Law, derive an expression for the electric field a distance r from the axis of…

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Q: ** Discussion 1. When an object moves in a circular motion, is the object under the acceleration or…

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Q: A cylindrical tank with a length L = 8 m and a diameter D = 8 m is on its side, and it is half full…

A: The problem can be solved using the concept of potential energy. The solution is as follows

Q: 1. (Problem 22-1) A proton travels with a speed of 3.00 x 106 m/s at an angle of 37.0° with the…

A: speed of proton = V = 3 X 106 m/smagnetic field = B = 0.3 Tangle = 370

Q: Numbers 2-5 only please

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Q: 9. 1 km/hr to ft/s 10. 1 mi/hr to m/s

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Q: Determine the current in each resistor of the circuit shown in Fig. 26–9015. Figure 26-90 12.00 V ——…

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Q: 7,8,9

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Q: Petermine the direction of the induced current for each case shown below. Draw the arrow along the…

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Q: (20%) Problem 2: Suppose you have a 1.9 μC point charge. 50% Part (a) How far in meters from the…

A: Given: In this question, the given details are, Suppose the point charge is 1.9 μC a) To find…

Q: 9. Determine the tension T2 if the force pulling the blocks is large enough to give the system an…

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Q: In the figure four particles are fixed along an x axis, separated by distances d = 3.90 cm. The…

A: Given: d=3.90cmq1=+4eq2=-eq3=+eq4=+12e To find 1) Net electrostatic force for particle 1 2)Net…