A 2.00 kg toy accelerates from rest to 3.00 m/s in 8.00 s on a rough surface of μk = 0.300. Find the applied force F. Physics: Dynamics

Q: When a 0.350-kg package is attached to a vertical spring and lowered slowly, the spring stretches…

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Q: A boy is standing on an elevator which is traveling downward with a constant velocity of 30 meters…

A: velocity of elevator = 30 ms , downwards = -30 msrelative velocity of ball with respect to elevator…

Q: particle with a charge of +8nC is in a uniform electric field directed to me left. It is released…

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Q: Perfectly Inelastic Collision BEFORE AFTER m1=1300 kg m2=1900 kg m1=1300 kg m2=1900 kg V1=24 m/s…

A: Given data:  The masses of the objects  m1 = 1300 kg and m2 = 1900 kg Initial velocities  V1 = 24…

Q: Having a central charge which is 70 nC. Calculate the magnitude of the electric field at the…

A: The electric field producrd by charge 'q' at distance 'r' from the charge is given by,E = 14πε0qr2

Q: A long, cylindrical conductor of radius R carries a current I as shown in the figure below. The…

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Q: A 90-kg stands on a scale in an elevator. What does the scale read when (a) the elevator is…

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Q: Inelastic Collision BEFORE AFTER m1=1400 kg m2=1000 kg m1=1400 kg m2=1000 kg V1=14 m/s v2=20 m/s…

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Q: Each of the three barges has a mass of 30 Mg, whereas the tugboat has a mass of 12 Mg. As the barges…

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Q: A particle of mass 7.25 x 10-9 kg is moving 14.5 m/s in a field of 0.0393 T. It moves in a circle of…

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Q: You have a lens whose focal length is –5.05 cm. You place an object on the axis of the lens at a…

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Q: In a television picture tube, electrons strike the screen after being accelerated from rest through…

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Q: A 5.00-kg bowling ball moves at 6.00 m/s. How fast must a 2.35-g Ping-Pong ball move so that the two…

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Q: The 180- Ib man in the bosun's chair exerts a pull of 60 lb on the rope for a short interval. Find…

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Q: Problem 16. A block is attached to a horizontal spring and moves in simple harmonic motion on a…

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Q: How much heat must be added to 0.90 kg of lead at 16 °C to cause it to melt completely? (Lead:…

A: Given: The mass of the lead is 0.9 kg. The initial temperature of the lead is 16oC. The final…

Q: A 0.25 kg harmonic oscillator has a total mechanical energy of 4.1 J If the oscillation amplitude is…

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Q: A conical pendulum consists of a bob (small mass at end of massless rope) that moves in a horizontal…

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Q: 20-V potential difference is applied across a series combination of a 10-Ω and a 30-Ω resistors. The…

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Q: What is the electric field vector at the point where charge q₂ is located due to charges q₁ and q₃?

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Q: A 45.0 kg girl is standing on a 153 kg plank. The plank, originally at rest, is free to slide on a…

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Q: An electron moves horizontally with a speed of 1.55 X10^6 m/s between two horizontal parallel…

A: The horizontal speed of the electron in the horizontal direction is vx=1.55×106 m/s The length of…

Q: Lino runs exactly 2 laps around a 400-meter track oval. What is the displacement?

A: Lino completes the 2 full laps. That means he returns to his initial position after two laps.

Q: R Ry (a) Determine thể total resistance of the circuit if R, 75 2, Rg=130 2, Ry 32 f, and R, 109 1…

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Q: 122 ww d 152 a ww 10 Ω I 50 V

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Q: A rocket applies a force of 600 N to an asteroid, and it accelerates at 9.00 m/s2. What is the…

A: Force, F = 600 N Acceleration, a = 9 m/s² Mass, m = ?

Q: A mirror produces an image that is located 38.0 cm behind the mirror, when the object is located…

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Q: 2. It A = ax + 3az and B = 5ax +2ay - 6az. Find the Dot product of vector A and B O 120.6 degrees O…

A: A = a X + 3a Z B = 5 a X + 2a Y -6 aZ

Q: A circular saw blade rotating at 3600 rpm is braked to a stop in 6 sec. What is the angular…

A: The equations of angular motion we use to solve this are ωf = ωi + αt ωf2-ωi2 = 2αθ, where ωf = the…

Q: How much force, in Newtons, is required to lift a box that weighs 8 kg? Use the fact that…

A: Given :  Mass of box "m"= 8kg      Concept / formula used:      Force = mass *acceleration

Q: We measure nuclear explosives in terms of kilotons of TNT (the bomb that destroyed Hiroshima in WWII…

A: Solution: Given: 1 kiloton = 4.19 x 1012 J U1 = energy emitted by Hiroshima bomb = 20 kiloton P =…

Q: 1. A string fixed on both ends is 5.5 m long and has a mass of 0.17 kg. The tension if the string is…

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Q: A battery with an emf of 9 [V] is connected to a 2 [kΩ] resistor. How  much energy is dissipated in…

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Q: A car travelling at the speed Vo on a straight level road. After the brakes are applied at t = 0,…

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Q: Explain the importance of seatbelts and airbags inside the car. What is its relation to momentum?

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Q: A person whose eyes are 1.70 m above the floor stands in front of a plane mirror. The top of her…

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Q: You have two heat sinks. One is held at a constant temperature at 20 degrees C, and the other is at…

A: Given, Temperature of first heat sink T1 = 20° C = 20 + 273 K = 293 K Temperature of second heat…

Q: What type of intermolecular force of attraction is shown by the picture below? 8- 8+ 8- I-Cl I-Cl…

A: The electrons in the molecule will be shared unevenly because Chlorine has an electronegativity of…

Q: A drop of water on a countertop reflects light from a flower held 2.7 cm directly above it. The…

A: Given : distance of object, u = 2.7 cm  Height of object, h1 = 2.0 cm  Height of image, h2 = 0.17 cm…

Q: 1. A ball is hanging on the end of a 0.36 m long string which is being swung such that the ball…

A: Length of the string is L = 0.36 m  Centripetal acceleration is a = 55.8 m/s2

Q: An object moving with a speed of 6.25 m/s, is decelerated at a rate given By dv dt= −2.5√v where v…

A: Given value--- An object moving with a speed of 6.25 m/s, is decelerated at a rate given By dv dt=…

Q: A moving object accelerates uniformly from 75 m/s at time t=0 to 135 m/s at t=10s. How far did it…

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Q: The masses m; are located at the points Pj. Find the moments My and My and the center of mass of the…

A: Given: m1=1, m2=4, m3=5P1=(2,-6), P2=(-3,2), P3=(3,4)

Q: A solution containing 4.60 x 1023 molecules/m3 of protein in water is pure water by a membrane 4.32…

A: Givendϕ=4.6×1023 molecules/m3dx=4.32 μm=4.32×10-6 mD=2.3×10-18 m2/sA=0.041 μm2=0.041×10-12 m2

Q: soV 3.0Sh 2.02 4.52 70V

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Q: Two fixed type resistors, 5 ohms and 7.5 ohms, are connected in series. 5. If the the internal…

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Q: R-18.0 2 R 6.00 2 9.0 V R 3,00 2 3.0 V

A: We have a circuit with two batteries of voltage V1=9 V and V2=3 V, three resistors of R1=18 ohm,…

Q: Find the value of q and theta

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Q: 13.1 A car drives through portion AB of the S-curve at constant speed, decel- erates in BC, and…

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Q: A 1⁄2 hp motor draws a current of 4.0-A from a 120-V line. (a) Calculate the electric power used by…

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Newton's Second Law

Newton’s laws of motion describe the relationship between the motion of an object and forces acting on it. Newton’s law of motion has two types as follows: