900 N box is pushed up an inclined plane that is 6.0 m long. It requires 3900 J of work to get the box to the top of the plane, which is 4.0 m above the base. What is

Q: have 3 resistors with resistance 65 ohm (each) A. How many configurations are possible? B. How…

A: Equivalent resistance in series R = R1 + R2  Equivalent resistance in parallel 1/R = 1/R1 + 1/R2

Q: Two skiers, with masses of 72 kg and 58 kg, are at the top of a ski hill. The altitude at the top of…

A: Given data:  Masses of skiers m1 = 72 kg and m2 = 58 kg Height of top of hill = 3782 m Height of ski…

Q: are the twins still the exact same age? If not which one is the older and by how much

A: In this question we have to answer are the twins still the same age. Please give positive feedback…

Q: How many electrons flow past through a certain cross-sectional area of a wire in 5.4 min, if a…

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Q: Suppose the current is changing with time according to I = a + bt, where a and b are constants.…

A: We know that We have given that the A loop of wire in the shape of a rectangle of width w and length…

Q: The half-life of beryllium-7 is about 53.3 days. (a) Determine the decay constant for beryllium-7.…

A: Given value--- Half life time = 53.3 days. We have to find--- (a) Determine the decay constant…

Q: ww ww ww ww R

A: Given Resistance of all resistors in the circuit is R = 4 Ohms All batteries in the circuit have…

Q: small 12.5 g plastic ball is tied to a very light 28.4 cm string that is attached to the vertical…

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Q: Started from rest, the two wheels of a mountain bike have both an angular acceleration of 4.0…

A:

Q: A supply voltage of 24 V sends the current through the circuit made of two branches/ loops. One loop…

A: Given value--- R1 = 9 Ohm. R2 = 3 Ohm. R3 = 2 Ohm. R4 = 6 Ohm. V = 24 V. We have to find---…

Q: Water from a fire hose is directed horizontally against a wall at a rate of 77.1 kg/s and a speed of…

A: Given data,  Rate of mass directed horizontally against the wall from the hose pipe m∆t=77.1 kg/s…

Q: Two spheres which carries identical charges lie 2m apart. Compute for the charge on each in…

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Q: Starting from rest, if the end of the rope at Bis pulled down with an acceleration of ag- 2,1t in…

A:

Q: asdfatgfawda2wdaw

A:

Q: The figure below is a cross-sectional view of a coaxial cable. The center conductor is surrounded by…

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Q: copper wire has a resistance of 5 Ω at 20°C. What is its resistance if the temperature changed to…

A: Given Initial resistance R1 = 5 ohm Initial temperature T1 = 200 C Final temperature T2 = 75 o C…

Q: Answer the last question only.

A: Write the given values with the suitable variables. u=124.52 ft/sθ=34.35°t=3.56 s Here, u is the…

Q: An engineer has three different capacitors of unknown capacitance. She labels them C,, C,, and C3.…

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Q: 1. The violin is an instrument with four strings E, A, D, and G, with E being the thinnest and G…

A:

Q: um (ρ = 10.6 x 10^-8 Ω-m, α = 3.927 x 10^-3/C^0) is used as resistance thermometer to measure the…

A: Givenα=3.927×10-3 /°CTo=20°CRo=164.2 ΩR=227.6 Ω

Q: Calculate the momentum of a car that has a mass of 1650 kg and a velocity of 14•1 m/s?

A: Given data :    Velocity  =  V     Mass   =   m        To find :              Momentum

Q: (1) A charged particle is moving perpendicular to a magnetic field in a circle with a radius r. The…

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Q: 10μF 10μF 7µF 16V

A:

Q: 4.  If 2.00 × 102mA of current flows through the filament of a light bulb, how many electrons would…

A: Dear student,  Since both questions are different as per guidelines we can author only first one…

Q: 4. At the bottom A of the vertical inside loop, the magnitude of the total acceleration of the…

A: The radius of curvature of the path A is 1708.859 m

Q: A train is 250 m long runs at 55 m/s. Find the time ?

A:

Q: In the figure below, the uniform 0.60-kN beam is hinged at P. What is the tension in the tie rope?…

A: For equilibrium net force acting on the body must be zero and horizontal as well as vertical forces…

Q: In the figure below, what is the moment of inertia of the system? L/2 L/2 3M 2M M O (ML^2)/2. O…

A:

Q: A(n) 800-ΩΩ and a(n) 2300-ΩΩ resistor are connected in series with a 12-VV battery.  What is the…

A:

Q: Calculate the ratio of sodium atoms in the 3p excited states to the number in the ground state at…

A:

Q: -coil is constructed by wrapping a wire of length 8.6 on a paper cylinder of adius 0.03 m and length…

A: Given Total length of wire = 8.6 m Radius of cylinder = 0.03 m Length L = 0.1 m  Current I = 0.1 A

Q: A uniform spherical shell of mass M = 1.5 kg and radius R = 19.0 cm rotates about a vertical axis on…

A:

Q: (Figure 1) shows a 4.0-cm-diameter loop with resistance 0.14 2 around a 2.0-cm-diameter solenoid.…

A:

Q: A truck with 38-in.-diameter wheels is traveling at 55 mi/h. Find the angular speed of the wheels in…

A: Given Wheel diameter d = 38 inch Wheel radius r =d/2 = 38/2 = 19 inches Speed s = 55 mile/hr We have…

Q: A river flows due south at 2 mi/h. A swimmer attempting to cross the river heads due east swimming…

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Q: Spaceships A and B move in opposite directions at the same speed of 0.431c relative to earth, with A…

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Q: In the situation similar to that shown below, a small red LED (light-emitting diode) is placed on…

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Q: In the figure below, what is the work done by the non-constant force from x = 0 m to x = 12 m? * F,…

A: Given data:  Force vs position graph Bese of triangle = 12 m Height = 10 N Required: Work done

Q: A 21-turn circular coil of radius 4.40 cm and resistance 1.00 n is placed in a magnetic field…

A:

Q: The electric field between two parallel plates connected to a 50V battery is 3000V/m. How far apart…

A: Given data:  Voltage (V) = 50 V Electric field (E) = 3000 V/m Required: Distance (d)

Q: The peak value of an alternating current in a 1900-WW device is 4.2 AA . What is the rms voltage…

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Q: Determine the Force F required to hold the bar AB in a horizontal position on the smooth inclines…

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Q: golfer is hitting a shot, the angular velocity of her club is zero at the top of the backswing and…

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Q: The electric force between two point charges with the magnitude of +600nC and 700nC is 15N. How far…

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Q: uppose that the hanging object in the picture is in equilibrium. It also has a mass of 8.1550 kg.…

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Q: A ray in air is incident on a glass plate whose index of refraction is 1.26. The angle of refraction…

A: Write the given values with the suitable variables. n1=1n2=1.26θ2=θ12 Here, n1, n2, θ2, and θ1 are…

Q: Express your answer with the appropriate units. An LCD (liquid crystal display) projector works by…

A: Height=4cm Image distance=6cm

Q: An 8.5-V battery is connected to a circuit with a load of terminal voltage 7 V. Calculate the…

A:

Q: You notice a brightly colored bug on the windowsill. Your magnifying glass has a focal length of 3.0…

A:

Q: A person wears glasses with a lens of focal length: 45 centimeters so that the point closest to his…

A: f = 45 cm

Instantaneous Power

Power is defined in physics as the amount of energy transmitted or transformed per unit time. The watt is the unit of electricity in the International System of Units, equivalent to one joule per second.