The force exerted on a particle by a uniform sphere must be directed toward the center of the sphere.

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Answer 1

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Chapter 11, Problem 2CQ

(a)

To determine

The force exerted on a particle by a uniform sphere must be directed toward the center of the sphere.

(b)

To determine

The force exerted on a particle by a uniform sphere must be directed toward the center of the sphere if the mass distribution of the sphere were not symmetrically.

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4.) The diagram shows the electric field lines of a positively charged conducting sphere of radius R and charge Q. A B Points A and B are located on the same field line. A proton is placed at A and released from rest. The magnitude of the work done by the electric field in moving the proton from A to B is 1.7×10-16 J. Point A is at a distance of 5.0×10-2m from the centre of the sphere. Point B is at a distance of 1.0×10-1 m from the centre of the sphere. (a) Explain why the electric potential decreases from A to B. [2] (b) Draw, on the axes, the variation of electric potential V with distance r from the centre of the sphere. R [2] (c(i)) Calculate the electric potential difference between points A and B. [1] (c(ii)) Determine the charge Q of the sphere. [2] (d) The concept of potential is also used in the context of gravitational fields. Suggest why scientists developed a common terminology to describe different types of fields. [1]

3.) The graph shows how current I varies with potential difference V across a component X. 904 80- 70- 60- 50- I/MA 40- 30- 20- 10- 0+ 0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 VIV Component X and a cell of negligible internal resistance are placed in a circuit. A variable resistor R is connected in series with component X. The ammeter reads 20mA. 4.0V 4.0V Component X and the cell are now placed in a potential divider circuit. (a) Outline why component X is considered non-ohmic. [1] (b(i)) Determine the resistance of the variable resistor. [3] (b(ii)) Calculate the power dissipated in the circuit. [1] (c(i)) State the range of current that the ammeter can measure as the slider S of the potential divider is moved from Q to P. [1] (c(ii)) Describe, by reference to your answer for (c)(i), the advantage of the potential divider arrangement over the arrangement in (b).

1.) Two long parallel current-carrying wires P and Q are separated by 0.10 m. The current in wire P is 5.0 A. The magnetic force on a length of 0.50 m of wire P due to the current in wire Q is 2.0 × 10-s N. (a) State and explain the magnitude of the force on a length of 0.50 m of wire Q due to the current in P. [2] (b) Calculate the current in wire Q. [2] (c) Another current-carrying wire R is placed parallel to wires P and Q and halfway between them as shown. wire P wire R wire Q 0.05 m 0.05 m The net magnetic force on wire Q is now zero. (c.i) State the direction of the current in R, relative to the current in P.[1] (c.ii) Deduce the current in R. [2]

Answer 2

Question

Chapter 11, Problem 2CQ

(a)

To determine

The force exerted on a particle by a uniform sphere must be directed toward the center of the sphere.

(b)

To determine

The force exerted on a particle by a uniform sphere must be directed toward the center of the sphere if the mass distribution of the sphere were not symmetrically.

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Answer 3

Question

Chapter 11, Problem 2CQ

(a)

To determine

The force exerted on a particle by a uniform sphere must be directed toward the center of the sphere.

(b)

To determine

The force exerted on a particle by a uniform sphere must be directed toward the center of the sphere if the mass distribution of the sphere were not symmetrically.

Expert Solution & Answer

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Check out a sample textbook solution

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Answer 4

Question

Chapter 11, Problem 2CQ

(a)

To determine

The force exerted on a particle by a uniform sphere must be directed toward the center of the sphere.

(b)

To determine

The force exerted on a particle by a uniform sphere must be directed toward the center of the sphere if the mass distribution of the sphere were not symmetrically.

Expert Solution & Answer

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Answer 5

Chapter 11, Problem 2CQ

(a)

To determine

The force exerted on a particle by a uniform sphere must be directed toward the center of the sphere.

(b)

To determine

The force exerted on a particle by a uniform sphere must be directed toward the center of the sphere if the mass distribution of the sphere were not symmetrically.

Answer 6

Chapter 11, Problem 2CQ

(a)

To determine

The force exerted on a particle by a uniform sphere must be directed toward the center of the sphere.

Answer 7

Chapter 11, Problem 2CQ

(a)

To determine

The force exerted on a particle by a uniform sphere must be directed toward the center of the sphere.

Answer 8

(b)

To determine

The force exerted on a particle by a uniform sphere must be directed toward the center of the sphere if the mass distribution of the sphere were not symmetrically.

Answer 9

(b)

To determine

The force exerted on a particle by a uniform sphere must be directed toward the center of the sphere if the mass distribution of the sphere were not symmetrically.

Answer 10

Expert Solution & Answer

Answer 11

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Answer 12

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Answer 13

Ch. 11.1 - A planet has two moons of equal mass. Moon 1 is in...Ch. 11.3 - An asteroid is in a highly eccentric elliptical...Ch. 11.4 - Prob. 11.3QQ Ch. 11.5 - Prob. 11.4QQ Ch. 11 - Prob. 1OQ Ch. 11 - The gravitational force exerted on an astronaut on...Ch. 11 - Prob. 3OQ Ch. 11 - Prob. 4OQ Ch. 11 - A system consists of five particles. How many...Ch. 11 - Suppose the gravitational acceleration at the...

The force exerted on a particle by a uniform sphere must be directed toward the center of the sphere.

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The force exerted on a particle by a uniform sphere must be directed toward the center of the sphere.

The force exerted on a particle by a uniform sphere must be directed toward the center of the sphere if the mass distribution of the sphere were not symmetrically.

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