An applied force of 111 N is used to accelerate an object across a frictional surface. The object has a weight of 65.1 N and encounters a frictional force of 82.4 N. (a) What is the net force acting on the object in the horizontal direction? (<>)          (b) What is the net force acting on the object in the vertical direction?(∧∧ ∨)∨)          (c) Using Newton’s 2nd Law, find the object’s acceleration.

Q: Light in carbon disulfide (n = 1.63) is incident on a glass (n = 1.50) %3D interface. At what angle,…

A: Given data as per question n1   =    1.63 n2    =   1.50

Q: Consider the three resistors R1 = 22 Ω, R2 = 54 Ω, and R3 = 83 Ω in the configuration shown in the…

A: Given: The resistances of the three resistors:  R1 = 22 Ω, R2 = 54 Ω and R3 = 83 Ω. The potential…

Q: A camera lens used for taking close-up photographs has a focal length of 28.4 mm. The farthest it…

A: Given: f=28.4 mm v=24 mm

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A:

Q: A circuit is constructed as shown in the diagram to the right. R1 = 59 Ω, R2 = 33 Ω, R3 = 23 Ω, and…

A:

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: refer to this problem: Consider a battery with an emf of 25.0 V and an internal resistance of 0.233…

A:

Q: 3 A closed system undergoes a constant volume (isochoric) process at 0.25 m /kg, as the pressure…

A: Consider the initial state of the process is 1 and the final state of the process is 2.

Q: True or False. The two 10μF capacitors are connected in parallel. (if this is true solve for the…

A: In series connection, all components are connected end to end whereas in parallel connection , all…

Q: A microscope with an objective lens of 5 mm focal length. The focal length of his eyepiece is 30 mm.…

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: A wire that is 6.0 m long is under tension. When a transverse wave of frequency 280 Hz travels along…

A: length L = 6.0 m frequency f = 280 Hz wavelength = 0.60 m

Q: What is the effect of temperatures on specific rotation? Explain.

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A: Blocks A and B have masses

Q: line A. How did you add the 2 equations to get 3R on the bottom? On line B. How did you subtract the…

A:

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…

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Q: A thin conducting wire is bent into the shape shown in the figure. The circular portion of the wire…

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Q: 1. Two identical speakers emit sound so that when a wave crest is emitted from one of them, the…

A: Please see the answer below.

Q: In a uniform circular motion, which of the following physical quantity remains constant everywhere…

A:

Q: or moths to eat, a bat emits a chirp that lasts for 4.80 ms and then is silent while it listens for…

A: GivenTotal time taken=4.8 ms=4.8×10-3 s Bat is flying toward the moth at a speed of 4.40 m/sMoth is…

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Q: The mass of a solid hemisphere is measured once with a digital balance whose resolution is 1 g. The…

A: The main value of the readings is taken as the average of all the values which are observed . And…

Q: (Heisenberg Uncertainty) A baseball (1 kg) has a kinetic energy (?? = 1 2 ?? 2 = ? 2 2? ) of 100…

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Q: The dimensions of a cylindrical capacitor is given in the figure. The dielectric material in between…

A: Inner radius (R1) = 3.5 cm Outer radius (R2) = 5.5 cm Length (L) = 8 cm= 0.08 mV = 16…

Q: Consider an object that is given an initial potential energy U, by a compressed spring. The object…

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Q: A museum of modern art is displaying an irregular 426-N sculpture by hanging it from two thin…

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Q: The weight of a body is 19.6 newtons. A string is tied to the body and the latter is then raised…

A: Given value--- weight of body = 6 N. acceleration = 3 m/s2.  We have to find--- Tension in the…

Q: True or False. 7µF is connected in series with one of the 10µF capacitor. (if this is true solve for…

A:

Q: The half-life of 222Rn is 3.82 days. (a) Convert the half-life to seconds. (b) Calculate the decay…

A: A radioisotope's half-life is the amount of time it takes for half of its population of atoms to…

Q: (1)The current in a 20.0-mH inductor changes with time as i = 3.0t° – 6.0t , where i is in amperes…

A:

Q: A pitcher throws a baseball of mass m = 0.150m=0.150 kg with a velocity of 43.7 m/s. The momentum of…

A: Given Mass of baseball = 0.150 kg Velocity of baseball = 43.7 m/s We have to calculate the momentum…

Q: Horseshoe bats use the Doppler effect to determine their location. A Horseshoe bat flies toward a…

A:

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

A: Given data :   Speed  =  S   Distance  =  D        To find :          Time

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

A: f = 45 cm

Q: In the circuit shown, 3Ω Determine the following: 7 V 2 V+ A. Magnitude and direction of the current…

A:

Q: For the system of four capacitors shown in Figure, find (a) the equivalent capacitance of the…

A: Equivalent capacitance in parallel C = C1 + C2    equivalent capacitance in series 1/C = 1/C1 + 1/C2…

Q: Starting from rest, a constant force F=100N is applied to the free end of a 50-m cable wrapped…

A: Given Mass of cylinder m = 4 kg Diameter d = 30 cm Radius r = 30/2 = 15 cm = 0.15 m Moment of…

Q: The sound waves travel with speed of 484 m/s. If is wavelength is 5 cm. Find the frequency of wave ?

A: Given:  Speed/Velocity(V): 484ms-1 Wavelength(λ): 5cm   To Find: Frequency(F)

Q: A 50000-kg freight car is pulled 800 m up along a 1.20 percent grade at constant speed. (a) Find the…

A: Given, Mass=50000kg Distance=800m

Q: How to manipulate  efficiency formula output/input energy x 100 to all the things it can be.

A: work efficiency formula is efficiency = output / input, and you can multiply the result by 100 to…

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Q: The rotating loop in an AC generator is a square 10.0 cm on a side. It is rotated at 85.0 Hz in a…

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Q: In a testing site, a satellite moves such that its position 7(t) = (3.00 – 1.00t)î + (2.00 +…

A:

Q: 2. A cylindrical metal can has a height of 27 cm and a radius of 11 cm. The electric field is…

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Q: A wire is 200.0 cm long and has a resistance of 50.0 2. This wire is cut into five equal parts. a.…

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

A: ρ=10.6x10-8Ω-mα=3.927x10-3/C0at To=20 C then, resistance, Ro=164.2Ωlet at T be the temperature,when…

Q: 3. What is the magnitude and direction of the net electric field at point P, given the diagram…

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Q: Geothermal energy uses the subsurface level of the earth to heat up water converting it to steam and…

A: Given: electricity produced Eout=789 Jefficiency η =46%

Electric Charges and Fields

One of the fundamental properties is the electromagnetic property. Charge cannot be destroyed by any process and this contributes formally to the law of charge conservation.