Pearson eText Conceptual Integrated Science -- Instant Access (Pearson+)
3rd Edition
ISBN: 9780135626573
Author: Paul Hewitt, Suzanne Lyons
Publisher: PEARSON+
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Chapter 22, Problem 6RCQ
To determine
To describe:
The fossil evidence that describes the hypothesis of continental drift given by Wegener.
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(a) A physics lab instructor is working on a new demonstration. She attaches two identical copper spheres with mass m = 0.180 g to cords of length L as shown in the figure.
A
Both spheres have the same charge of 6.80 nC, and are in static equilibrium when 0 = 4.95°. What is L (in m)? Assume the cords are massless.
0.180
Draw a free-body diagram, apply Newton's second law for a particle in equilibrium to one of the spheres. Find an equation for the distance between the two spheres in terms of L and 0, and use this expression in your
Coulomb force equation. m
(b) What If? The charge on both spheres is increased until each cord makes an angle of 0 = 9.90° with the vertical. If both spheres have the same electric charge, what is the charge (in nC) on each sphere in this case?
9.60
Use the same reasoning as in part (a), only now, use the length found in part (a) and the new angle to solve for the charge. nc
A proton moves at 5.20 x 105 m/s in the horizontal direction. It enters a uniform vertical electric field with a magnitude of 8.40 × 103 N/C. Ignore any gravitational effects.
(a) Find the time interval required for the proton to travel 6.00 cm horizontally.
83.33
Your response differs from the correct answer by more than 10%. Double check your calculations. ns
(b) Find its vertical displacement during the time interval in which it travels 6.00 cm horizontally. (Indicate direction with the sign of your answer.)
2.77
Your response differs from the correct answer by more than 10%. Double check your calculations. mm
(c) Find the horizontal and vertical components of its velocity after it has traveled 6.00 cm horizontally.
= 5.4e5
Your response differs significantly from the correct answer. Rework your solution from the beginning and check each step carefully. I + 6.68e4
Your response differs significantly from the correct answer. Rework your solution from the beginning and check each step…
(a) A physics lab instructor is working on a new demonstration. She attaches two identical copper spheres with mass m = 0.180 g to cords of length L as shown in the figure.
A
Both spheres have the same charge of 6.80 nC, and are in static equilibrium when
=
4.95°. What is L (in m)? Assume the cords are massless.
0.150
Draw a free-body diagram, apply Newton's second law for a particle in equilibrium to one of the spheres. Find an equation for the distance between the two spheres in terms of L and 0, and use this expression in your
Coulomb force equation. m
(b) What If? The charge on both spheres is increased until each cord makes an angle of 0 = 9.90° with the vertical. If both spheres have the same electric charge, what is the charge (in nC) on each sphere in this case?
13.6
☑
Use the same reasoning as in part (a), only now, use the length found in part (a) and the new angle to solve for the charge. nC
Chapter 22 Solutions
Pearson eText Conceptual Integrated Science -- Instant Access (Pearson+)
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Ch. 22 - Prob. 11RCQCh. 22 - Prob. 12RCQCh. 22 - Prob. 13RCQCh. 22 - Prob. 14RCQCh. 22 - Which is more geologically stable place to...Ch. 22 - Prob. 16RCQCh. 22 - Prob. 17RCQCh. 22 - Prob. 18RCQCh. 22 - What elements make up 98 of the Earth by weight?Ch. 22 - Prob. 20TISCh. 22 - What two elements constitute about three-fourths...Ch. 22 - Cite the seismic evidence that Earth has a liquid...Ch. 22 - Prob. 23TISCh. 22 - Prob. 24TISCh. 22 - Prob. 25TISCh. 22 - Prob. 26TISCh. 22 - What is a magnetic reversal, and how are magnetic...Ch. 22 - Prob. 28TISCh. 22 - Prob. 29TISCh. 22 - Prob. 30TISCh. 22 - Prob. 31TISCh. 22 - Prob. 32TISCh. 22 - Prob. 33TISCh. 22 - Where do most hydrothermal vents occur? Can they...Ch. 22 - Prob. 35TISCh. 22 - A sample of basalt has a mass of 5.6 g and a...Ch. 22 - Prob. 38TSCh. 22 - Prob. 39TSCh. 22 - Prob. 40TSCh. 22 - Prob. 41TECh. 22 - You are hiking in the Grand Canyona beautiful...Ch. 22 - Prob. 43TECh. 22 - Prob. 44TECh. 22 - Space debris colliding with the young Earth...Ch. 22 - Prob. 46TECh. 22 - Is Earths inner core solid and the outer core...Ch. 22 - Prob. 48TECh. 22 - Copy the diagram which is not to scale of Earths...Ch. 22 - What is a likely cause of Earths magnetic field?Ch. 22 - Prob. 51TECh. 22 - Love waves are a type of surface wave generated by...Ch. 22 - If there were an earthquake at the North Pole,...Ch. 22 - Prob. 54TECh. 22 - Prob. 55TECh. 22 - Prob. 56TECh. 22 - Prob. 57TECh. 22 - Why does earths crust float on the mantle?Ch. 22 - Prob. 59TECh. 22 - Prob. 60TECh. 22 - Prob. 61TECh. 22 - What would happen if new crust were created faster...Ch. 22 - Prob. 63TECh. 22 - What is meant by magnetic pole reversals? What...Ch. 22 - Prob. 65TECh. 22 - Prob. 66TECh. 22 - Prob. 67TECh. 22 - Prob. 69TECh. 22 - Prob. 70TECh. 22 - Prob. 71TECh. 22 - Prob. 72TECh. 22 - Prob. 73TECh. 22 - A geologist finds an igneous rock that has large...Ch. 22 - Why do rocks made from slowly cooling magma have...Ch. 22 - Prob. 76TECh. 22 - Why are intrusive igneous rocks coarse grained?...Ch. 22 - Prob. 78TECh. 22 - Prob. 79TECh. 22 - Earths Moon has a lithosphere that is continuous,...Ch. 22 - The 1993 adventure film The Core is based on the...Ch. 22 - Play a game of fortunately/unfortunately. First,...Ch. 22 - Prob. 84TDICh. 22 - Prob. 85TDICh. 22 - Prob. 86TDICh. 22 - Prob. 87TDICh. 22 - Where does the heat in earths interior come from?Ch. 22 - How would GPS technology have been helpful to...Ch. 22 - Prob. 90TDICh. 22 - The refraction of P-waves and S-waves in Earths...Ch. 22 - Prob. 2RATCh. 22 - Prob. 3RATCh. 22 - Prob. 4RATCh. 22 - Prob. 5RATCh. 22 - Prob. 6RATCh. 22 - Prob. 7RATCh. 22 - Why is the inner core Earths most dense region? a...Ch. 22 - Prob. 9RATCh. 22 - Plate tectonics explains a how seafloor spreading...
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- A proton moves at 5.20 x 105 m/s in the horizontal direction. It enters a uniform vertical electric field with a magnitude of 8.40 × 10³ N/C. Ignore any gravitational effects. (a) Find the time interval required for the proton to travel 6.00 cm horizontally. 1.15e-7 ☑ Your response differs significantly from the correct answer. Rework your solution from the beginning and check each step carefully. ns (b) Find its vertical displacement during the time interval in which it travels 6.00 cm horizontally. (Indicate direction with the sign of your answer.) 5.33e-3 ☑ Your response is off by a multiple of ten. mm (c) Find the horizontal and vertical components of its velocity after it has traveled 6.00 cm horizontally. | ↑ + jkm/sarrow_forwardA proton moves at 5.20 105 m/s in the horizontal direction. It enters a uniform vertical electric field with a magnitude of 8.40 103 N/C. Ignore any gravitational effects. (a) Find the time interval required for the proton to travel 6.00 cm horizontally. (b) Find its vertical displacement during the time interval in which it travels 6.00 cm horizontally. (Indicate direction with the sign of your answer.)arrow_forwardThe figure below shows the electric field lines for two charged particles separated by a small distance. 92 91 (a) Determine the ratio 91/92. 1/3 × This is the correct magnitude for the ratio. (b) What are the signs of q₁ and 92? 91 positive 92 negative ×arrow_forward
- Please help me solve this one more detail, thanksarrow_forwardA dielectric-filled parallel-plate capacitor has plate area A = 20.0 ccm2 , plate separaton d = 10.0 mm and dielectric constant k = 4.00. The capacitor is connected to a battery that creates a constant voltage V = 12.5 V . Throughout the problem, use ϵ0 = 8.85×10−12 C2/N⋅m2 . Find the energy U1 of the dielectric-filled capacitor. The dielectric plate is now slowly pulled out of the capacitor, which remains connected to the battery. Find the energy U2 of the capacitor at the moment when the capacitor is half-filled with the dielectric. The capacitor is now disconnected from the battery, and the dielectric plate is slowly removed the rest of the way out of the capacitor. Find the new energy of the capacitor, U3. In the process of removing the remaining portion of the dielectric from the disconnected capacitor, how much work W is done by the external agent acting on the dielectric?arrow_forwardIn (Figure 1) C1 = 6.00 μF, C2 = 6.00 μF, C3 = 12.0 μF, and C4 = 3.00 μF. The capacitor network is connected to an applied potential difference Vab. After the charges on the capacitors have reached their final values, the voltage across C3 is 40.0 V. What is the voltage across C4? What is the voltage Vab applied to the network? Please explain everything in steps.arrow_forward
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- at a certain location the horizontal component of the earth’s magnetic field is 2.5 x 10^-5 T due north A proton moves eastward with just the right speed so the magnetic force on it balances its weight. Find the speed of the proton.arrow_forwardExample In Canada, the Earth has B = 0.5 mT, pointing north, 70.0° below the horizontal. a) Find the magnetic force on an oxygen ion (O) moving due east at 250 m/s b) Compare the |FB| to |FE| due to Earth's fair- weather electric field (150 V/m downward).arrow_forwardThree charged particles are located at the corners of an equilateral triangle as shown in the figure below (let q = 2.20 µC, and L = 0.810 m). Calculate the total electric force on the 7.00-µC charge. What is the magnitude , what is the direction?arrow_forward
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