21st Century Astronomy
6th Edition
ISBN: 9780393428063
Author: Kay
Publisher: NORTON
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Chapter 22, Problem 8QP
To determine
The correct statement
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15.protons and neutrons make up the nucleus of an atom,describe the electrostatic force between each pair of particles (proton-proton , proton-neutron ,neutron neutron )and the strong nuclear force between each pair of particles .
1. It is the force field that exists in the space around every mass or group of masses.
a. Frictional force
b. Gravitational field
d. Gravity
c. Tension force
2. It is the type of force field and is analogous to electric anf magnetic fields for electrically charged particles and
magnets, respectively.
a. gravitational field
c.magnetic field
3. Gravitational field is measured in units of?
a. Distance per time
c. Product of mass and acceleration
4. A gravitational field is a type of force fields that is analogous to
b. tension field
d. electrical field
b. Force per mass
d. Mass per force
and
fields for electrically charged
particles.
a. scalar, vector
b. Electric; magnetic
d. absolute;constant
c. force; acceleration
5. The gravitational field varies slightly at earth's surface.
b. maybe
a. false
c. sometimes
6. It shows the direction that force would act on an object placed at that point in space.
d. true
a. force field
b. gravitational field
C. arrow
d. field lines
7. It shows the…
QUESTION 10
When the distance between two point charges is tripled,
a. the magnitude of the electric force between the
two point charges is one-ninth as great as before.
b. the magnitude of the electric force between the
two point charges is three times greater than
before.
C. the magnitude of the electric force between the
two point charges is nine times greater than
before.
d. the magnitude of the electric force between the
two point charges is the same as before.
e. the magnitude of the electric force between the
two point charges is one-third as great as before.
Chapter 22 Solutions
21st Century Astronomy
Ch. 22.1 - Prob. 22.1CYUCh. 22.2 - Prob. 22.2CYUCh. 22.3 - Prob. 22.3CYUCh. 22.4 - Prob. 22.4CYUCh. 22.5 - Prob. 22.5CYUCh. 22 - Prob. 1QPCh. 22 - Prob. 2QPCh. 22 - Prob. 3QPCh. 22 - Prob. 4QPCh. 22 - Prob. 5QP
Ch. 22 - Prob. 6QPCh. 22 - Prob. 7QPCh. 22 - Prob. 8QPCh. 22 - Prob. 9QPCh. 22 - Prob. 10QPCh. 22 - Prob. 11QPCh. 22 - Prob. 12QPCh. 22 - Prob. 13QPCh. 22 - Prob. 14QPCh. 22 - Prob. 15QPCh. 22 - Prob. 16QPCh. 22 - Prob. 17QPCh. 22 - Prob. 18QPCh. 22 - Prob. 19QPCh. 22 - Prob. 20QPCh. 22 - Prob. 21QPCh. 22 - Prob. 22QPCh. 22 - Prob. 24QPCh. 22 - Prob. 28QPCh. 22 - Prob. 29QPCh. 22 - Prob. 31QPCh. 22 - Prob. 32QPCh. 22 - Prob. 33QPCh. 22 - Prob. 34QPCh. 22 - Prob. 35QPCh. 22 - Prob. 36QPCh. 22 - Prob. 37QPCh. 22 - Prob. 38QPCh. 22 - Prob. 39QPCh. 22 - Prob. 40QPCh. 22 - Prob. 41QPCh. 22 - Prob. 42QPCh. 22 - Prob. 43QPCh. 22 - Prob. 44QPCh. 22 - Prob. 45QP
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- 7. Charles de Coulomb measured attractive and repulsive forces caused by charged objects. Which statement is true about the electromagnetic force? The charge and the distance between two charged objects both influence the electromagnetic force between the two objects. Only the charge of one object that is interacting with another charged object affects the electromagnetic force between the two objects. The distance between two charged objects has no effect on the electromagnetic force between the two objects. The charge between two charged object has no effect on the electromagnetic force between the two objects. CLEAR ALL Answered ( PREVIOUS 4 5 6. 10 11 NEXT > REVIEW & SUBMI O v O 9:0 DELL 23 2$ % & 4 6 8 口arrow_forward6. A balloon with a charge of 4.0 µC is held a distance of 0.70 m from a second balloon having the same charge. Calculate the magnitude of the repulsive force. 7. At what distance of separation must two 1.00-microCoulomb charges be positioned in order for the repulsive force between them to be equivalent to the weight (on Earth) of a 1.00-kg mass?arrow_forwardWhen the distance between two points charges is cut in half a. The magnitude of the electric force between the charges is four times greater than before. b. The magnitude of the electric force between the charges is the same as before. C. The magnitude of the electric force between the charges is one-half as great as before. O d. The magnitude of the electric force between the charges is twice as great as before. e. The magnitude of the electric force between the charges is one-fourth as great as before.arrow_forward
- 5.By considering L= 10cm, 0-30° and mass=2.4* 10-³¹ kg, Find electrical Force and the charge of each particle? Draw Free body diagram (FBD) for one of the charge. L ५arrow_forwarda. Draw the electric field lines around a system that consists of two equal negative charges. b. Calculate the electric force that exists between two objects that are 7.3 × 10 –2 m apart and carry charges of 4.5 × 10 –6 C and –7.2 × 10 –6 C. Is this force attractive or repulsive? c. Write two or three sentences to explain the effect on the electric force between two charged objects if the amount of charge on one of the objects is doubled at the same time as the distance between the objects is doubled.arrow_forwardA proton charge of 2.03x10-19 C and electron charge of 1.602 x 10-19 C. What is the interaction of electric charge? a. attraction b. repulsion с. neutral d. neither repulsion or attractionarrow_forward
- 4. What is the magnitude of the electrical force between two uranium nuclei placed a distance of 4.74 x 10^-12 m apart from one another? 0.148 N 0.061 N 0.087 N 0.122 Narrow_forward5. Electron spins around a nucleus of an atom. What is the charge of an electron? а. -1.06 х 10^-19 С b. -6.10 x 10^-19 С с. -1.60 х 10^-19 С d. -1.60 x 10^19 C 6. What do you call the law that quantifies the force of attraction and repulsion between charged bodies? a. Newton's Law b. Cavendish's Law c. Coulomb's Law d. Faraday's Law 7. The direction of electric field due +Q positive charge is a. away from the charge b. towards the charge c. Both A and B d. None of the above 8. The electric field intensity at a point situated 4 meters from a point charge is 200 N/C. If the distance is reduced to 2 meters, the field intensity will be а. 600 N/C b. 400 N/C c. 800 N/C d. 1200 N/Carrow_forward5. Two charged objects have an attractive force of 0.8 N. If the distance separating the objects is quadrupled, then what is the new force? 6. Two charged objects have a repulsive force of 0.8 N. if the distance separating the objects is halved, then what is the new force?arrow_forward
- Consider two charge Q1 = -2 x 10-6 [C] and Q2 = 4 x 10-0 [C] separated by a distance r = 0.05 [m). a. What is the magnitude of the electric force between two charges? F = [N] b. The electric force between the two charges is c. Suppose that the magnitude of the electric force between two charges is equal to: 43.2 [N]. What will be the magnitude of this force if the distance between the two charges is doubled while the charges are kept the same. F = [N]arrow_forwardScientists experimenting with two charged objects of 2.56*10^-6 C and 3.34*10^-7 C displayed a repulsion of 2.26 *10^-3 N. How far apart were the two charged objects during the experiment to the nearest tenth of a meter? A. 3.4 meters B. 6.1 meters C. 4.8 meters D. 1.8 metersarrow_forward1. A force of 500N exists between two identical point charges separated by a distance of 50cm. Calculate the magnitude of the point charges. 2. The electrical force between two point charges with a magnitude of +800nc and +500nc in 12N. How far apart are the two charges from each other in centimeter?arrow_forward
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