When an object is accelerating in a fluid due to an applied force, the velocity where the magnitude of the drag on the object equals the magnitude of the applied force is called the AA velocity.

Q: A student hangs a 4.0-kg weight from a vertical spring that obeys Hooke's law. As a result, the spri...

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Q: QUESTION 9 A 10-kg block is attached to one end of a horizontal spring on a level, frictionless surf...

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Q: Sounds are produced when vibrating objects create pressure waves in some medium such as air. When t ...

A: GivenIo=10-12  W/m2L=10 logIIo

Q: - A convex refracting surface of radius of curvature 20 cm separates two media of refractive indices...

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Q: Answer fast  At 600 m on the hill a water body is situated  whose estimated mass is about 3000 kg w...

A: Given, Height of hill (h) = 600m Mass of water body (m) = 3000kg g= 9.8 m/s2

Q: Two light sources of intensities 8 Cd and 12 Cd are placed on the same side of a photometer screen a...

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Q: coil consisting of 10 turns of wire each in an area of 0.025 m^2 is rotating in a magnetic field tha...

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Q: string clamped at two ends is vibrating at a fundamental frequency of 438.7 Hz such that the distanc...

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Q: A fairgrounds ride spins its occupants inside a flying-saucer-shaped container. If the horizontal ci...

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Q: The magnitude of average velocity is always less than or equal to the average speed. Explain why?

A: Let us assume point A and B and with a straight line joining both of them separated by d distance.  

Q: rock is projected vertically up with a speed of v= 24 m/s from the top a tower 70m high. Find (a) th...

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Q: The heating spiral of an electric fire is removed from its silicon tube, uncoiled, and measured. It ...

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Q: 1. For an optical communication system, operating at 2=800 nm, only 1% of the optical source frequen...

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Q: 1. Given points M(-1,2,1) , N(3,-3,0), and P(- 2,-3,-4) find: (a) RMn (b) Rmn + RMp (c) |rM| (d) aMp...

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Q: A conductor suspended by two flexible wires as shown in the figure below has a mass per unit length ...

A: Given: The mass per unit length of the wires is 0.0404 kg/m. The tension in the wire is 0 N.

Q: All household circuits are wired in parallel. A 1140-W toaster, a 300-W blender, and a 50-W lamp are...

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Q: Consider the circuit shown with E1= 6.0V,E2=12V, R1=100Ω, R2=200Ω and R3=300Ω. One point of the circ...

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Q: 0. You have two base bias circuits connected for testing. They are identical except that one is bias...

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Q: A car of mass 600 kg is moving at 15 m/s. Calculate is momentum.

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Q: 2. What happens when a positively charged rod is brought near a neutral plastic ball? a. protons on ...

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Q: Find the kinetic energy of a ball of 320 g mass, moving at a velocity of 50 cm /s.

A: Given data :                        Mass   =   m                       Velocity   =  V          To f...

Q: Use a variation model to solve for the unknown value. The current in a wire varies directiy as the v...

A: solution according to ohm's law I=Vk/Rwhere k is a constant since V=80 voltsI=12 AR=10 ohmsputting t...

Q: A sealed container with a lid of area 0.004 m2is filled with an ideal gas. The container and gas are...

A: Given  Area A=0.004m2 Force F=2000N  

Q: A runner in a 1000 m race accelerates uniformly for first 400m and then runs at constant velocity, t...

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Q: Two long parallel wires carry currents of 2.91 A and 8.05 A. The magnitude of the force per unit len...

A: The magnetic force per unit length of wire 2 due to wire 1 is             F l = μo2π·i1i2d Where Fl ...

Q: 1. Consider an isolated parallel-plate capacitor with an initial capacitance 400.0 nF and a charge o...

A: Data Given. , Initial capacitance ( C ) = 400 nF = 400 × 10-9 F Charge ( Q ) = 5 μC = 5 × 10-6 C Pot...

Q: Object is dropped from the height of 100 m. Find the velocity of an object when it 30 m above the gr...

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Q: Your friend just bought a magnetic field sensor and convinced you to help him measure the magnetic f...

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Q: 21.71 Three identical point charges q are placed at each of thrae comers of a square of side L Find ...

A: (a) Draw the free-body diagram.

Q: point object with a mass of 150 g can move around a circular track that has a radius of 25 cm. What ...

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Q: Laser wavelength 632.8 nm incident on dual slits at a distance of 0.200 mm Find the distance of adja...

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Q: A particle is moving with a velocity function v(t : v(t) = [(5.4){ + (8.0)f + (10t²)k]m/s What is th...

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Q: 8. A cell has an emf of 6V, internal resistance of 1 ohms and a current of 0.5 A passing through it....

A: Given value--- emf = 6 V. current = 0.5 Amp. internal resistance = 1 ohm. We have to find--- exte...

Q: If the distance between the slits is doubled in Young's experiment, what happens to the width of the...

A: Let the wavelength = λLet the distance of screen = D Let the slit width =d   

Q: Part A A step-up transformer increases 10 V to 150 V . What is the current in the secondary coil as ...

A: Given :   Vp= 10 volts , Vs= 150 volts Vs= 12 kV, Vp= 180 V

Q: If a car takes a banked curve at less than the ideal speed, friction is needed to keep it from slidi...

A: When an object moves in circular motion it requires centripetal force which is provided by already e...

Q: In the Marvel comic series X-Men, Colossus would sometimes throw Wolverine toward an enemy in what w...

A: Given: The angle at which Colossus throws Wolverine: θ = 29.8o; The height above the ground at whic...

Q: Please solve the following question using the diagram to solve the equation. A tiny mass (m = 1 KG) ...

A: givenm=1 kgl=1 mv=3 m/s

Q: A spring with a force constant K obeys Hook's Law. It requires 4 J of work to stretch it through 10 ...

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Q: Part A A transformer has 360 turns in the primary coil and 200 in the secondary coil. Part B Part C ...

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Q: The horizontal and vertical components of a magnetic field are 0.3 T and 0.4 T, respectively. What i...

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Q: A ball is struck with a velocity of 80 ft/s as shown. Determine the speed at which it strikes the gr...

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Q: A man with a mass of 71.6 kg stands on one foot. His femur has a cross-sectional area of 8.00 cm2 an...

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Q: Given a cylindrical conductor of radius 1.50 mm with current density 2.50A/m^2 and free-electron den...

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Q: A positively charged particle of mass 6.72 × 10°8 kg is traveling due east with a speed of 51.4 m/s ...

A: Given Information:- Mass of the particle m=6.72×10-8 kg Initial speed of the particle v=51.4 m/s Mag...

Q: A current of 7.95 A in a solenoid of length 12.6 cm creates a 0.277 T magnetic field at the center o...

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Q: A 61.0 kg cheetah accelerates from rest to its top speed of 32.5 m/s. HINT (a) How much net work (in...

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Q: To what heght shauldt a bore of ma88 160 Kq be lefted. so eneray-may. ito Potential become 5540 Joub...

A: Given data :                          Potential energy   =    P•E                                   ...

Q: 10. A 450-gram ball atHached to the end of a Icad s rotated in a horiz0ntal circe OF radius 1.3m. If...

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Q: A ball play throws a baseball at angle of 30° to the horizontal with a speed of a 30 m/s. A. How far...

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Newton’s Third Law of Motion

The horse pulls the cart and the cart pulls the horse in response as per Newton third law. So the big question is, “Don’t the two forces cancel each other? How does the cart accelerate?”