A spring with spring constant k = 125 N/m a 25 N wooden block horizontally across a coefficient of friction between the block anc 4= 0.20. By how much does this spring st equilibrium length? %3D

Q: A heavy sled is being pulled by two people as shown in the figure. The coefficient of static…

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Q: A +12 nC charge is located at the origin. Part A What is the electric field at the position (x1, Yı)…

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Q: 5. An astronaut aims a flashlight toward the tail of his space-ship, which is traveling with a…

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Q: In the graph below, each unit on the horizontal axis is 1.10 x 10-3 m³ and each unit on the vertical…

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Q: A +12 nC charge is located at the origin. Part A What is the electric field at the position (x1, Y1)…

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Q: -ncave lens has a focal length of -3 cm. y from the lens. Find the magnification tive answer and an…

A: Focal length of  concave lens                                                   f  = - 3 cm height…

Q: 5. A sheet of construction paper measures 20 mm by 15 mm, and the volume is 4 mm3, where V = lwt a.…

A: Volume is defined as the amount of space occupied by an object.

Q: Four equal +2.00-µC point charges are placed at the corners of a square 4.00 m on each side. (k =…

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Q: The force acting on an object is given by F, = (7x - 12) N, where x is in meters. (a) Choose the…

A: Here force is given as F = 7x - 12  Here x is in meter and F is in Newton .

Q: Let 0 be the angle that a vector to make with the x - axis and measured counter clockwise from that…

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Q: hown in the figure below, two long parallel wires (1 and 2) carry currents of I, = 2.86 A and I, =…

A: calculate the net magnetic field at point and find direction as per shown.

Q: 60.0 N - +x 40.0 N

A: FR =402  +602 +240(60)cosi00Resultant Force  FR=72.1NMagnitude of Resultant…

Q: A 44.0-kg projectile is fired at an angle of 30.0° above the horizontal with an initial speed of 144…

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Q: Two rods and one cable are attached to the supports at O. If two of the forces are as shown,…

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Q: An electron is projected with an initial speed vo = 1.60 x 10 m/s into the uniform field between two…

A: Vo= 1.6×106 m/s  L=2cm  d= 1cm

Q: A race car runs three complete laps around a 180 - m track in a total time of 15 min. What is the…

A: Given: The length of the circular track is 180 m. The number of the laps is 3. The total time taken…

Q: 3. A piece of putty and a tennis ball with the same mass are thrown against a wall with the same…

A: Let initial moment of both putty and tennis ball = p   The putty sticks whereas the ball rebounds.

Q: The absolute index of refraction for a substance is 2.0. In this substance what is the critical…

A: We know that when light ray goes from a substance with refractive index of "n" to air then the…

Q: 3-8 (a) An object of mass 0.5 kg is hung from the end of a steel wire of length 2 m and of diameter…

A: Given: In this question, the given details are, An object of mass 0.5 kg is hung from the end of a…

Q: Q. Figure shows, in cross section, two long parallel wires spaced by distance d=10.0cm; each carries…

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Q: Erol carries an 8.0 -kg suitcase as she walks 45 m along a horizontal walkway to her room at a…

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Q: Q5 By performing nodal analysis to the circuit in the following Figure, calculate the voltage V1.…

A: in this question we use kirchoff's law at circuit.

Q: A stone is thrown straight up from the edge of a roof, 900 feet above the ground, at a speed of 12…

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Q: = 201². The fan blade in a jet engine rotates from rest with the angular acceleration a = 1 9. find…

A: GIVEN         Angular acceleration = α = 20t2

Q: A 0.002 C charge and a second charge are 0.056 m apart. If the force between the charges is 8 x 107…

A: Given Data:charge q1 = 0.002 Ccharge q2 = q (unknown)distance between charges r = 0.056 mmagnitude…

Q: The figure shows the graphs of three functions. One is the position function of a car, one is the…

A: Given the graph of the three functions a, b, c. To Identify the acceleration, position function and…

Q: Light bulb 1 operates with a filament temperature of 2500 K, whereas light bulb 2 has a filament…

A: T1=2500k. T2=1900k.

Q: Fundamental concepts: In the two-dimensional crystal in Figure 2.13. find (a) a primitive unit cell,…

A: Here we have a very easy question. in order to find basis and primitive lattice. We have to check…

Q: A train is moving parallel to a highway with a constant speed of 20 m/sec. A car is traveling in the…

A: Given data: Speed of the train, vt= 20 m/s Speed of the car, vc = 30 m/s Frequency of the car’s…

Q: The Apollo 8 mission in 1968 included a circular orbit at an altitude of 111 km above the Moon's…

A: Mass of spacecraft m = 15000 kg Moon's mass M = 7.35 × 1022 kg Moon's radius R = 1738 km = 1.738 ×…