A disk of radius 4.00 m spins with an angular speed of 90.0 degrees/second. What is the angular speed, in rad/s?

Q: Two identical springs, A and B, each with spring constant k = 43.3 N/m, support an object with a…

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Q: The equipotential contours in a region of space that contains an electric field are shown in the…

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Q: The collar has a mass of 2 kg and is free to slide along the smooth rod, which rotates in the…

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Q: A crane is used to lower rectangular concrete blocks (0.4 m × 0.4 mx 0.3 m) into the ocean so that…

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Q: Negative charge -Q is distributed uniformly over the surface of a thin spherical insulating shell…

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Q: 3. The electric field everywhere on the surface of a thin, spherical shell of radius 0.780 m is…

A: Given: Spherical shell radius r = 0.78 m Electric field E = 880 N / C

Q: Given P(-7, -5, -34) in rectangular coordinate system, what is r in spherical coordinates of P?…

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Q: The two forces F₁ and F2 shown in (Figure 1) act on a 27.0-kg object on a frictionless tabletop.…

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Q: Emily throws a soccer ball out of her dorm window to Allison, who is waiting below to catch it.…

A: Calculate the horizontal and vertical components of the initial velocity. uH=ucosθ=(12…

Q: A rotating space station is said to create "artificial gravity"—a loosely-defined term used for an…

A: Calculate the radius of the space station. r=d2r=190 m2r=95 m

Q: An aluminum wire consists of the three segments shown in (Figure 1). The current in the top segment…

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Q: Two copper wires A and B have the same length and are connected across the same battery. If RB =…

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Q: An 85.0 kg subject is strapped into a 1950’s rocket sled. Upon firing the rocket sled’s acceleration…

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Q: A woman rides a carnival Ferris wheel at radius 15 m, completing 5.9 turns about its horizontal axis…

A: Given, radius of the wheel r = 15m   completes 5.9 turns in a minute. (a) so, time taken by the…

Q: Two point charges of equal magnitude are 8.5 cm apart. At the midpoint of the line connecting them,…

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Q: our Two scales on a voltmeter measure voltages up to 20.7 and 31.0 V, respectively. The resistance…

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Q: A charge q₁ = 4.90 x105 C is placed in an electric field of magnitude 6500 N/C. What is the…

A: Charge, q1 = 4.90×10-5 C Field, E = 6500 N/C Electrostatic force on q1, F1 = ?  Electrostatic force…

Q: What potential difference is needed to accelerate a He ion (charge +e, mass 4 u) from rest to a…

A: Given data: The speed of the ion is v=1.5x106 m/s. The charge on ion is q=+e=1.6x10-19 C. (As the…

Q: The two forces F₁ and F₂ shown in (Figure 1) act on a 27.0-kg object on a frictionless tabletop.…

A: Given: Forces acting are 10 N and 16.8 N Mass m=27 kg

Q: Three 50 µC charges are in a line on a meter stick. The first charge is at the origin (0m). The…

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Q: When someone says, "something runs in parallel," what does it really mean?

A: Introduction "Parallel"  is a form of computing that utilizes multiple processors to tackle multiple…

Q: Calculate V from o Charge is distributed with constant surface charge density o on a circular disc…

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Q: Part A A walker and a runner are on a straight horizontal section of a track. In the reference frame…

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Q: A 71 kg man is being pulled away from a flaming building as shown in the figure.  Part (a)…

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Q: A parallel- plate capacitor is charged by a battery. It is disconnected from the battery. The plate…

A: Given: Capacitor charged and battery disconnected. Plate seperation d  doubled

Q: A rocket (with a booster) has a total mass of 4 M and moves with a constant velocity of 5 v.…

A: The following problem involves the law of conservation momentum. It defines the condition that the…

Q: 2) A ball is thrown vertically upward from the top of a building. [A 17] It has a height function…

A: I) The average rate of change of a function measures how much the function changes over a given…

Q: Calculate the average current (in A) in the lightning bolt.

A: Given: Number of electrons is N=1.01×1020 Time for which lightning bolt glow is t=0.202 s Find:…

Q: Problem 7 You throw a ball from a 3-rd story window with initial speed of 4.4 and -30° angle with…

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Q: A magnetic field of 0.2 T is acting in the south-west direction. (You can ignore the earth’s…

A: Given Data: Magnetic field (B) = 0.2 T.Mass of the particle (m) = 0.06 kg.Charge on the particle (q)…

Q: The average horsepower required to raise a 150 kg drum to a height of 20 m in a time of 1 minute is…

A: Givenmass, m=150 kgheight, h=20 mtime , t=1 min            =60 swork done would beW=mgh…

Q: can someone do d and e

A: Basically eV and joules are two units of energies . We can define 1 electron volt as the the energy…

Q: A block of mass 5.40 kg is pushed up against a wall by a force P that makes an angle of = 50.0°…

A: Friction is the force which always acts opposite to motion so if block has tendency of downward…

Q: What is the kinetic energy of a 7 kg object sliding 2 m/sec across the floor? What if it were…

A: The concept of kinetic energy refers to the energy an object possesses due to its motion. The amount…

Q: A block of mass m= 2.0 kg is hanged on the spring with a spring constant of k = 1960 N/m. Find the…

A: Given m=2 kgk=1960 N/mas its said that the mass simply hangs on the springthen at maximum stretch…

Q: Point charges of 29.0 μC and 41.0 μC are placed 0.500 m apart. (a) At what point along the line…

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Q: In the baggage claim area of an airport, a particular baggage carousel is shaped like a section of a…

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Q: In the figure, a ball is thrown leftward from the left edge of the roof, at height h above the…

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Q: Two charged particles, Q₁ = -83 nC, and Q₂ = 77 nC, are located a distance, L = 39 cm, apart as…

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Q: It may appear at first glance that Newton's 2nd and 3rd laws are independent claims. This, however,…

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Q: Find the capacitance (in µF) of a parallel plate capacitor having plates of area 4.00 m² that are…

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Q: Vf = moving body comes to stop a (m/s2) = 1 S (m) = 300 Find the initial velocity (Vi) and time…

A: Given: Final velocity vf =0 Acceleration a =1 m/s2 Distance s = 300 m

Q: 4. A rectangular coil that has a length of 16.5 cm and a width of 8.0 cm containing 17 loops lies…

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Q: A 50x oil-immersion objective is marked NA 1.2. It uses oil that has an index of refraction of 1.50.…

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Q: Use Gauss' Law to prove that the electric field a distance r away from the center of a spherical…

A: Gauss's law of electrostatics states that the electric flux, Φ, through any closed surface is…

Q: 22. As a person moves about in a dry environment, electric charge accumulates on the person's body.…

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Q: Vc=0 V VA 3. In the picture tube of an anachronistic television set, electrons are "boiled" off a…

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Q: A passenger elevator is moving downward in a multistory building at a constant speed of 6.30 m/s.…

A: Given: Speed of elevator u = 6.3 m/s Time t = 1.97 s Height of each floor = 3 m

Q: Riding up an escalator while staying on the same step for the whole ride takes 29 s . Walking up the…

A: In this problem, we use kinematic equations to model the motion of a person walking against an…

Q: Two highways intersect as shown in the figure. At the instant shown, a police car Pis distance dp =…

A: It is given that, car P is at a distance of dP=810 m from the intersection car M is at a distance of…