14. If the period of orbit for a satellite increases by a factor of 2, the average radius of orbit will increase by a factor of a. 0.50 b. 0.63 C. 1.0 d. e. 1.6 2.0 15. The electrostatic force between two point charges is 3.4 x 10-7 N. If the distance between the charges is tripled but the size of the charges remains the same, the force between them will be a. 3.1x10 N b. 3.8×108 N c. 26x10² N d. 3.8×10 N e. 1.1x10-² N

14. If the period of orbit for a satellite increases by a factor of 2, the average radius of orbit will increase by a factor of a. 0.50 b. 0.63 C. 1.0 d. e. 1.6 2.0 15. The electrostatic force between two point charges is 3.4 x 10-7 N. If the distance between the charges is tripled but the size of the charges remains the same, the force between them will be a. 3.1x10 N b. 3.8×108 N c. 26x10² N d. 3.8×10 N e. 1.1x10-² N

Physics for Scientists and Engineers

10th Edition

ISBN:9781337553278

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter22: Electricity And Magnetism

Section: Chapter Questions

Problem 3P: In a thundercloud, there may be electric charges of +40.0 C near the top of the cloud and 40.0 C...

See similar textbooks

Similar questions

A glass rod is initially neutral. After it is rubbed with silk, its charge is 45.7 C. a. Has the rod gained or lost mass? Explain. b. How much mass has the rod gained or lost?
An electron is to be accelerated in a uniform electric field having a strength of 2.00106 V/m. (a) What energy in keV is given to the electron if it is accelerated through 0.400 m? (b) Over what distance would it have to be accelerated to increase its energy by 50.0 GeV?
A charge of 36.3 nC is transferred to a neutral copper ball of radius 4.35 cm. The ball is not grounded. The excess electrons spread uniformly on the surface of the ball. What is the number density (number of electrons per unit surface area) of excess electrons on the surface of the ball?
Refer 10 Figure 15.20. The charge lowered into the center of the hollow conductor has a magnitude of 5 C. Find the magnitude and sign of the charge on the inside and outside of the hollow conductor when the charge is as shown in (a) Figure 15.20a, (b) Figure 15.20b, (c) Figure 15.20c, and (d) Figure 15.20d.
A thin, square, conducting plate 50.0 cm on a side lies in the xy plane. A total charge of 4.00 108 C is placed on the plate. Find (a) the charge density on each face of the plate, (b) the electric field just above the plate, and (c) the electric field just below the plate. You may assume the charge density is uniform.
A proton enters the uniform electric field produced by the two charged plates shown below. The magnitude of the electric field is 4.0105 N/C, and the speed of the proton when it enters is 1.5107 m/s. What distance d has the proton been deflected downward when it leaves the plates ?
A 2.5-g copper penny is given a charge of 4.0109C . (a) How many electrons ale removed from the penny? (b) If no more than one electron is removed from an atom, what percent of the atoms are ionized by this charging process?
A person is placed in a large, hollow, metallic sphere that is insulated from ground, (a) If a large charge is placed on the sphere, will the person be harmed upon touching the inside of the sphere? (b) Explain what will happen if the person also has an initial charge whose sign is opposite that of the charge on the sphere.
Review. Two insulating spheres have radii 0.300 cm and 0.500 cm, masses 0.100 kg and 0.700 kg, and uniformly distributed charges 2.00 C and 3.00 C. They are released from rest when their centers are separated by 1.00 m. (a) How fast will each be moving when they collide? (b) What If? It the spheres were conductors, would the speeds be greater or less than those calculated in part (a)? Explain.
14. Which of the following measurements indicates electric charge? b. 9.8 m/s? a. 5.0 m/s c. 18.2 C d. 20.5 N =4.9x10^-9 C, are held 5.0 cm apart. 15. Two charged spheres, q 1 =3.2x10^-8 C and q2 What is the magnitude of the electrostatic force between the two spheres? a. 2.31x10^-4 N b. 5.64x10^-4 N c. 1.89x10^-5 N d. 2.82x10^-5 N 16. Two charged spheres, q1 = -1.5x10^-9 C and q2= 3.0x10^-9 C, are held 5.0 cm apart. What is the magnitude of the electrostatic force between the two spheres? a. 1.21x10^-5 N b. 1.62x10^-5 N c. 5.15x10^-7 N d. 8.12x10^-7 N
Question 2 1. With what force will t wo electrons, 10-ºm apart, repel each other if the charge on each electron is 1,6 x 10-19 C? 2. Two pith balls with the same charge and mass 0,1 are hung on nail by treads which are both 240mm long. The balls come to rest 200mm apart due to the repelling force. Calculate the charge Q on each ball. 3. Two pith balls 30 mm apart, repel each other with a force of 44 x 10-5 N Calculate the charge in each ball 4. Calculate the electrical field strength in air at a distance 300mm from a charge of 12 × 12⁹ C 5. Calculate the electrical field strength in air exactly halfway between the two charges 20 x 10-8 and 5 × 10-8 C which are 200mm apart. 6. In a rectangle ABCD side AB is 40mm and BC 30mm. Calculate the potential difference at point D if A = 10 × 10-¹², B = -20 × 20¹2 C and C = 10
A charge of +3 x10^(-5) C is 10cm from a charge of +5 x10^(-6) C. Calculate the magnitude of the electrical force between the charges ? a. 1.35 N b. 135 N c. 1350 N d. 0.135 N ....