You've decided to protect your house by placing a 6.8-m-tall
iron lightning rod next to the house. The top is sharpened to a
point and the bottom is in good contact with the ground. From your
research, you've learned that lightning bolts can carry up to 54 kA
of current and last up to 50 ?s.
Homework Answers
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You've decided to protect your house by placing a 6.8-m-tall
iron lightning rod next to the...
After several damaging lightning strikes during midwestern summer thunderstorms, you've decided to protect your house by...
After several damaging lightning strikes during midwestern summer thunderstorms, you've decided to protect your house by setting up an iron lightning rod. The lightning rod is 6.0 meters tall, with the top sharpened to a point and the bottom in good contact with the ground. After some googling, you've determined that lightning bolts typically carry about 30,000 amps of current and last around 60 microseconds. a. Assuming that you can trust the internet, how much charge is delivered by a...
You set up an iron lightning rod. Its is 5.0 meters tall, with the top sharpened...
You set up an iron lightning rod. Its is 5.0 meters tall, with the top sharpened to a point and the bottom in good contact with the ground. You’ve determined that lightning bolts typically carry about 30,000 amps of current and last around 60 microseconds. a. How much charge is delivered by a typical lightning bolt? b. If you want the potential difference between the top and bottom of the lightning rod to be less than 120 V, what is...
Problem 23.10 Two 11 cm -long thin glass rods uniformly charged to +10nC are placed side...
Problem 23.10 Two 11 cm -long thin glass rods uniformly charged to +10nC are placed side by side, 4.0 cm apart. What are the electric field strengths E1, E2, and E3 at distances 1.0 cm, 2.0 cm, and 3.0 cm to the right of the rod on the left, along the line connecting the midpoints of the two rods? Part A Specify the electric field strength E1 Express your answer to two significant figures and include the appropriate units. E...
You are standing at x=8.0km and your assistant is standing at x=5.0km. Lightning bolt 1 strikes...
You are standing at x=8.0km and
your assistant is standing at x=5.0km. Lightning bolt 1 strikes at
x=0km and lightning bolt 2 strikes at x=12.0km. You see the flash
from bolt 2 at t=12μs and the flash from bolt 1 at t=60μs.
According to your assistant, were the lightning strikes simultaneous? You are standing at z 8.0km and your assistant is standing at5.0km. Lightning bolt 1 strikes at 0 km and lightning bolt 2 strikes at T 12.0km. You see...
Problem 20.15 A helium ion (Q +2e) whose mass is 6.6x10 27 kg is accelerated by...
Problem 20.15 A helium ion (Q +2e) whose mass is 6.6x10 27 kg is accelerated by a voltage of 2300 V Part A What is its speed? Express your answer to two significant figures and include the appropriate units. Value Units Submit My Answers Give Up Part B What will be its radius of curvature if it moves in a plane perpendicular to a uniform 0.390 T field? Express your answer to two significant figures and include the appropriate units....
Problem 6.10 A 390 kg piano slides 2.7 m down a 24 incline and is kept...
Problem 6.10 A 390 kg piano slides 2.7 m down a 24 incline and is kept from accelerating by a man who is pushing back on it parallel to the incline (see the figu 1) gnore friction. Figure 1 of 1 Part A Determine the force exerted by the man. Express your answer to two significant figures and include the appropriate units. FP Value Units Submit My Answers give Up Part B Determine the work done on the piano by...
Problem 1.47 Part A Abumblebee flies with a ground speed of 153 m/s calculate its speed...
Problem 1.47 Part A Abumblebee flies with a ground speed of 153 m/s calculate its speed in km/h Express your answer to three significant figures and include the appropriate units Value Units Submit My Answers Give Up Part B The lung capacity of the blue whale is 5100 L Convert this volume into gallons. Express your answer to two significant figures. gal Submit My Answers Gore up Part C The Statue of Liberty is 151 ft tall. Calculate its height...
Item 6 Part A The 145-lb crate is supported by cables AB, AC, and AD. Determine...
Item 6 Part A The 145-lb crate is supported by cables AB, AC, and AD. Determine the tension in these wires. (Figure 1) Determine the tension developed in cable AB Express your answer to three significant figures and include the appropriate units. FAD-Value Units Submit My Answers Give Up Incorrect; Try Again, 4 attempts remaining Part B Determine the tension developed in cable AC Express your answer to three significant figures and include the appropriate units. FAC- Value Units |...
Problem 23.10 Part A A small candle is 31 cm from a concave mirror having a...
Problem 23.10 Part A A small candle is 31 cm from a concave mirror having a radius of curvature of 22 cm What is the focal length of the mirror? Follow the sign conventions Express your answer to two significant figures and include the appropriate units. Value Units Submit My Answers Give Up Part B Where will the image of the candie be located? Follow the sign conventions Express your answer to two significant figures and include the appropriate units....
previous 8 of 10 nextョ Problem 32.42 Part A tial A long wire carrying a 5.8...
previous 8 of 10 nextョ Problem 32.42 Part A tial A long wire carrying a 5.8 A current perpendicular to the zy-plane intersects the z-axis at r-2.2cm. A second, parallel wire carrying a 2.0 A current intersects the z-axis at z +2.2cm At what point on the x-axis is the magnetic fiekd zero if the two currents are in the same direction? Express your answer to two significant figures and include the appropriate units. Value Units Submit My Answers Give...
After several damaging lightning strikes during midwestern summer thunderstorms, you've decided to protect your house by setting up an iron lightning rod. The lightning rod is 6.0 meters tall, with the top sharpened to a point and the bottom in good contact with the ground. After some googling, you've determined that lightning bolts typically carry about 30,000 amps of current and last around 60 microseconds. a. Assuming that you can trust the internet, how much charge is delivered by a...
Problem 23.10 Two 11 cm -long thin glass rods uniformly charged to +10nC are placed side by side, 4.0 cm apart. What are the electric field strengths E1, E2, and E3 at distances 1.0 cm, 2.0 cm, and 3.0 cm to the right of the rod on the left, along the line connecting the midpoints of the two rods? Part A Specify the electric field strength E1 Express your answer to two significant figures and include the appropriate units. E...
You are standing at x=8.0km and
your assistant is standing at x=5.0km. Lightning bolt 1 strikes at
x=0km and lightning bolt 2 strikes at x=12.0km. You see the flash
from bolt 2 at t=12μs and the flash from bolt 1 at t=60μs.
According to your assistant, were the lightning strikes simultaneous? You are standing at z 8.0km and your assistant is standing at5.0km. Lightning bolt 1 strikes at 0 km and lightning bolt 2 strikes at T 12.0km. You see...
Problem 20.15 A helium ion (Q +2e) whose mass is 6.6x10 27 kg is accelerated by a voltage of 2300 V Part A What is its speed? Express your answer to two significant figures and include the appropriate units. Value Units Submit My Answers Give Up Part B What will be its radius of curvature if it moves in a plane perpendicular to a uniform 0.390 T field? Express your answer to two significant figures and include the appropriate units....
Problem 6.10 A 390 kg piano slides 2.7 m down a 24 incline and is kept from accelerating by a man who is pushing back on it parallel to the incline (see the figu 1) gnore friction. Figure 1 of 1 Part A Determine the force exerted by the man. Express your answer to two significant figures and include the appropriate units. FP Value Units Submit My Answers give Up Part B Determine the work done on the piano by...
Problem 1.47 Part A Abumblebee flies with a ground speed of 153 m/s calculate its speed in km/h Express your answer to three significant figures and include the appropriate units Value Units Submit My Answers Give Up Part B The lung capacity of the blue whale is 5100 L Convert this volume into gallons. Express your answer to two significant figures. gal Submit My Answers Gore up Part C The Statue of Liberty is 151 ft tall. Calculate its height...
Item 6 Part A The 145-lb crate is supported by cables AB, AC, and AD. Determine the tension in these wires. (Figure 1) Determine the tension developed in cable AB Express your answer to three significant figures and include the appropriate units. FAD-Value Units Submit My Answers Give Up Incorrect; Try Again, 4 attempts remaining Part B Determine the tension developed in cable AC Express your answer to three significant figures and include the appropriate units. FAC- Value Units |...
Problem 23.10 Part A A small candle is 31 cm from a concave mirror having a radius of curvature of 22 cm What is the focal length of the mirror? Follow the sign conventions Express your answer to two significant figures and include the appropriate units. Value Units Submit My Answers Give Up Part B Where will the image of the candie be located? Follow the sign conventions Express your answer to two significant figures and include the appropriate units....
previous 8 of 10 nextョ Problem 32.42 Part A tial A long wire carrying a 5.8 A current perpendicular to the zy-plane intersects the z-axis at r-2.2cm. A second, parallel wire carrying a 2.0 A current intersects the z-axis at z +2.2cm At what point on the x-axis is the magnetic fiekd zero if the two currents are in the same direction? Express your answer to two significant figures and include the appropriate units. Value Units Submit My Answers Give...
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