A charged paint is spread in a very thin uniform layer over the surface of a plastic sphere of diameter 12.0 cm, giving it a charge of -49.0 μC.

Q: Humpback whales sometimes catch fish by swimming rapidly in a circle, blowing a curtain of bubbles…

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Q: A 2.20-cm-diameter parallel-plate capacitor with a spacing of 0.400 mm is charged to 200 V. Part A…

A: Givendiameter = D = 2.20 cm distance between the plates = d = 0.400mmpotential difference between…

Q: A small sphere of charge q = +67 µC and mass m = 5.0 g is attached to a light string and placed in a…

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Q: A 140 kg block hangs from a rope that is linked at O to two other ropes as shown in. If the Ť₂ T₁ T₂…

A: Magnitude of T2 = 900 Nmass of the box is M = 140 kg

Q: By means of a rope whose mass is negligible, two blocks are suspended over a pulley, as the drawing…

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Q: Determine from the Figure: a) The components of the force that particle 1 exerts on particle 3;…

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Q: As it is sliding across ice, an internal explosion breaks an 80 kg object into two pieces. One piece…

A: The total mass of the object is .The initial velocity of total mass of the object is .The object…

Q: Hello, the answer to part a is incorrect, can you please correct it?

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Q: At 1,500 m below the surface of the sea the pressure is 1.51 x 107 Pa (note that ).  If the volume…

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Q: 5.0 g of nitrogen gas at 20°C and an initial pressure of 2.8 atm undergo a constant-pressure…

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Q: In your circuit toolbox you have only some 102 resistors and switches, which can be open or closed.…

A: So we must use key to get our required value of equivalent resistance.

Q: A spring scale that reads in grams uses a 10.0-cm-long spring. Hanging a water bottle from the scale…

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Q: How R=V/I become ∆R/R = ∆V/V + ∆I/I where R is resistance, V is voltage and I is current. How it…

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Q: A 292-kg motorcycle is accelerating up and to the right along a ramp that is inclined 30.0 degrees…

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Q: A system of two objects has AKtot = 7 J and AUint = -5 J. Part A How much work is done by…

A: The total change in PotentiL energy of the system = -5JThe total change in kinetic energy of the…

Q: A baseball is hit with an initial speed of 45 m/s at an angle of 33° relative to the x (horizontal)…

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Q: 5. Three point charges are arranged as shown in Fig- ure P19.19. (a) Find the vector electric field…

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Q: em I decreasing C. foll )))))) R ww

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Q: (a) Show that the definitions of momentum and kinetic energy can be combined to express kinetic…

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Q: A rocket with an unknown mass expels 2 kg of fuel in 0.8 seconds at a speed of 220 m/s relative to…

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Q: I would like you to compare the thickness of Saturn's rings to objects here on Earth if those rings…

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Q: The total consumption of electrical energy in the United States is about 1.37 x 10¹9 joules per…

A: Total consumption of the electrical energy

Q: A sound of unknown frequency makes 10 beats per second with a tuning fork of frequency 524 Hz. What…

A: See below

Q: 8. A pair of power transmission lines each have 2.50- resistance and carry 650 Amp. If the primary…

A: R = 22.5 I = 650 A vp = 2.4 kv Step of transformer      Vs / Vp = 10/1 Vs = Vp × 10 Vs = 2.4 × 10 =…

Q: A rocket-powered hockey puck has a thrust of 1.60 N and a total mass of 1.50 kg. It is released from…

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Q: 4. A circular coil of radius 4.50 cm contains 140 loops and its plane is positioned perpendicular to…

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Q: 5. A rectangular loop of wire (length L=13.0 cm and width W=7.80 cm) is moving as shown in the…

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Q: This is regarding angular momentum conservation. We give the disk a good spin. As the object…

A: Problem related to conservation of angular momentum. The system's rotational speed (angular…

Q: 5. Suppose the system described in question 4 has a string with a lincar density μ-2.95 x 104 kg/m.…

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Q: A spaceship of mass 2.0×106 kg is cruising at a speed of 4.9x106 m/s when the antimatter reactor…

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Q: nd: H h 2mw (a¹ + a) (ât - â) Fmw p=i√ la ati a¹n(x) = √n+1vn+1(x) √√√n-1(2), if n>0 Ôn(2) = {√ if n…

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Q: Analyze the velocity vs. time graph below. Which acceleration vs. time graph cor- responds to the…

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Q: The diagram shows six point charges arranged in a rectangle. The value of q is 1.97 nC, and the…

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Q: A ball having mass m= 0.1 kg falls from rest under the influence of gravity in a medium that…

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Q: It is friction that provides the force for a car to accelerate, so for high-performance cars the…

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Q: 9. An electric power station that operates at 35 kV and uses a 10:1 step-up ideal transformer is…

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Q: Problem 10: A pogo stick has a spring with a force constant of 2.50 x 104 N/m, which can be…

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Q: A train locomotive pulls a train with a mass of 1.40 ✕ 107 kg on level rails. The locomotive exerts…

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Q: If you walk 48 feet north and then 89 feet east, how far, in a straight line, will you be from your…

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Q: Consider a conical pendulum with a bob of mass m = 83.0 kg on a string of length L = 10.0 m that…

A: GIVEN DATAmass of bob is 83 kgangle of  =8 degreesdetermines the horizontal and vertical components…

Q: The figure shows an outstretched arm (0.61 m in length) that is parallel to the floor. The arm is…

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Q: Just prior to impact with a golf ball (0.044 kg), a clubhead (0.215 kg) is travelling with a…

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Q: A sample is a mixture of 60Co (T₁/2= 5.27 y), 137Cs (T1/2= 30.17 y), and 133Ba (T₁/2= 10.6 y). At a…

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Q: Draw diagrams. Label all diagrams. Write formulae/equations. SHOW ALL WORK! 17. A runner starts from…

A: a runner starts from rest and accelerates uniformly at 5.0 m/s² for 4.0 s.She next maintains the…

Q: A pilot must fly his plane due north to reach his destination. The plane can fly at 300 km/h in…

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Q: A ball is rolling up on an inclined plane without slipping, reaches some height, and then rolls…

A: This is mixture of rotational motion and friction

Q: A ball is dropped (from rest) from a window and hits the ground with a speed of 7.0m/s. If the ball…

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Q: In (Figure 1), each capacitor has C= 5.00 μF and Vab = 35.0 V. Part A: Calculate the charge on…

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Q: Part (a) What is the length of the vector A? |A| = sin() cotan() atan() cosh() Hints: 0% deduction…

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Q: . 9.6 m . 56° Consider the rock climber climbing on a smooth slab, as shown above: • The coefficient…

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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.