Three 20ohm resistors are connected in parallel across a 120V generator. Find the total resistance and the total current flowing through the circuit.

Q: alculate the final velocity right after a 117 kg rugby player who is initially running at 7.85 m/s…

A: Mass, m = 117 kgInitial velocity, vi = 7.85 m/sForce, F = -17700 NTime, t = 5.50×10-2 s = 0.055 s

Q: 21 GO Figure 29-49 shows two very long straight wires (in cross sec- tion) that each carry a current…

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Q: A certain commercial mass spectrometer is used to separate uranium ions of mass 3.92 x 10-25 kg and…

A: a)Apply the work-energy equation and substitute the corresponding expressions to obtain the…

Q: An uncharged copacitor w/ C = 6.74 μF & resistor w/ R= 8.6·10³2 are in series to connected a 12 V…

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Q: The dimensions of the thin film resistor are W = 2.80 mm, L = 8.03 mm and d = 575 um. the…

A: Width of resistor Length of resistor Height of resistor Resistivity

Q: Free-body diagrams of forces acting on a mass m in two situations are shown below. y 3N 2N y 4N 4N…

A: Mass of object is Free-body diagram of forces acting on the object in two situations is…

Q: A student pushes a lab cart to the right across a table. As it accelerates, what forces act on the…

A: When student pushes a lab cart to the right across a table four forces act on it in four directions.…

Q: Four point charges q1 = 2.222µC, q2 = -0.719µC, q3 = 6.687µC, and q4 = -2µC are located at the…

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Q: small rock with mass 0.22 kg is released from rest at point A, which is at the top edge of a large,…

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Q: radio with a resistance of 40 ohms and a clock with a resistance of 20 ohms are connected in series…

A: Resistance of radio and clock are 40 ohm and 20 ohm.

Q: Suppose that a merry-go-round is rotating at the rate of 10 rev/min. a. Express this rotational…

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Q: Nicole pushes on an 8 kg box on a smooth inclined surface. The inclined surface makes an angle of…

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Q: 10. A small ball of mass m₁ = 0.240 kg is moving at a speed of 3.00 m/s. It strikes a stationary…

A: The initial velocity of the small ball is 3 m/s.The mass of the small ball is 0.24kg.The mass of the…

Q: A grocery cart with mass of 16 kg is being pushed at constant speed up a flat 12° ramp by a force Fp…

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Q: Show that conservation of momentum and kinetic energy for elastic collisions implies that if you…

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Q: An object of mass 3M, moving in the +x direction at speed Vo, breaks into two pieces of mass M and…

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Q: 4.4. A 10 kg box sits motionless on a ramp that forms a 20° angle with the ground. (a) What must be…

A: The mass of the box,                   The angle of inclination,                    The ramp is…

Q: Problem 1: A 2.0 kg box slides on a floor. A friction force of 5.0 N opposes the motion. If the box…

A: Mass of box,                     Friction force on the box,                     The initial speed of…

Q: How fast can the 130 A current through a 0.290 H inductor be shut off if the induced emf cannot…

A: i=130 AL=0.290 He=79.0 V

Q: An incident X-ray photon of wavelength 0.2011 nm is scattered from an electron that is initially at…

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Q: The 5.0 kg, uniform, horizontal rod is seen from the side. What is the gravitational torque about…

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Q: Force= 7x3-4x. Find the work in mks units done by the force for a distance of x=1 to x=5.

A: Force= 7x3-4x.Find the work in mks units done by the force for a distance of x=1 to x=5.The formula…

Q: 4) A block of mass m-3.0 kg is dropped from beighth-2,0 m onto a spring of spring Constant, k-2,200…

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Q: 9. A helicopter is initially traveling East at 11.0 m/s. It undergoes an upward acceleration of 0.96…

A: Helicopter acceleration in y = 0.96m/s2Speed in east direction = 11m/s.

Q: (a) What is the power of the speaker? (b) How far from the speaker do we have to be to hear the…

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Q: A man pushes an object to the right and exerts a force which has a horizontal compotent of F = 33 N.…

A: External force on the body F = 33 NFrictional force fs = 15 NMass of the object m = 31 kg.Given time…

Q: A constant net force causes an acceleration of 20 m/s². What will be the acceleration of the object…

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Q: A microwave radar transmitter emits electromagnetic waves with a single wavelength λ. Suppose the…

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Q: Referring to the previous question about the wooden crate on the wood floor with given coefficients…

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Q: Determine the maximum speed an alpha particle consisting of (mass of two protons and two neutrons =…

A: Since the alpha particle starts from rest, the initial speed of the alpha particle will be…

Q: (a) Find the direction of the force on a proton moving through the magnetic fields in Figure P19.2,…

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Q: An industrial laser can burn a hole through a piece of metal. the time-averaged intensity of the…

A: Time - average intensity of the light  Savg = 2.25 × 109  W/m2

Q: 10:00 12 In Fig. 29-43, two long straight wires at separation d = 16.0 cm carry currents i = 3.61 mA…

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Q: Consider the circuit shown below. If the current going through resistor R₁ is 1.00 A, (a) what is of…

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Q: A bottle dropped from a balloon reaches the ground in 50.0 s. What was the height, in meters, of the…

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Q: A 0.500-kg mass is attached to the end of a 1.50-m-long rope and spun in a vertical circle at a…

A: Mass (m) = 0.5 kg radius of the rope will be equal to it's length (r) = 1.50 m Speed (v) = 6.67 m/s

Q: a mass m1 collides elastically with a mass m2 initially at rest in a 1-dimensional collision. if the…

A: Write the momentum conservation equation and substitute the corresponding values.

Q: How is using the right-hand rule for the magnetic field from a current wire similar to the…

A: Right hand is very important to determine the direction of magnetic field. But the process of…

Q: 10. A fire hose ejects a stream of water at an angle of 35.0° above the horizontal. The water leaves…

A: Initial velocity is The launch angle is Find:The horizontal distance traveled by projectile when it…

Q: 53° T₁ logisel KAG Cinio 27N T₂

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Q: An event occurs in frame Kat x = 5 m, y = 5 m, z =4 m, and t = 3 s. Frame K' is traveling along the…

A: “Since you have posted multiple questions, we will provide the solution only to the first question…

Q: A photon of wavelength 0.59242 nm strikes a free electron that is initially at rest. The photon is…

A: This problem can be solved using the conservation of linear momentum for the scattering of photon…

Q: The vector components of the electric field in a polarized electromagnetic wave traveling in vacuum…

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Q: 3.0 µF, and R = 2.0 . At sometime after the switch is closed, the voltage across the V. What is the…

A: Voltage by battery,                          Capacitance,                           Resistance,…

Q: A 10.5-kg monkey is hanging by one arm from a branch and swinging on a vertical circle. As an…

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Q: Vector A = (8, 4, -5) and Vector B = (-2, 3, 0). Find the angle between these two vectors.

A: Vector A=(8, 4, -5)Vector B= (-2, 3, 0)

Q: The rotational velocity of a merry-go-round increases at a constant rate from 0.6 rad/s to 1.8 rad/s…

A: Initial angular velocity of merry-go-round is Final angular velocity of merry-go-round is Time taken…

Q: U = PV P = AT2 Find F0(U,V,N) and F1(U,V,N) After that use, Gibbs-Duhem to prove dF2=0 and…

A: We need to express F0 and F1 in terms of the extensive variables (U, V, and N) and the intensive…

Q: Tom has built a large slingshot, but it is not working quite right. He thinks he can model the…

A: The initial spring constant K=75.0 N/m Initial stretched length x=0.375 m Potential energy U=22.0 J

Q: A 1.50-mm-long, 500 gg rope pulls a 10.0 kgkg block of ice across a horizontal, frictionless…

A: Length of rope is  Mass of rope is Mass of ice block is Acceleration of block is Note:Find:The…