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Gold is the most ductile of all metals. For example, one gram of gold can be...
1A. If 4.00 ✕ 10−3 kg of gold is deposited on the negative electrode of an...
1A. If 4.00 ✕ 10−3 kg of gold is deposited on the negative electrode of an electrolytic cell in a period of 2.93 h, what is the current in the cell during that period? Assume the gold ions carry one elementary unit of positive charge. ___ mA 1B. Gold is the most ductile of all metals. For example, one gram of gold can be drawn into a wire 2.12 km long. The density of gold is 19.3 ✕ 103 kg/m3,...
You are working at a company that manufactures electrical wire. Gold is the most ductile of...
You are working at a company that manufactures electrical wire. Gold is the most ductile of all metals: it can be stretched into incredibly long, thin wires. The company has developed a new technique that will stretch 1.00 g of gold into a wire of length L= 2.40 km and uniform diameter. a) What is 1 gm in kg, and what is the volume of 1 gm of gold? The mass density of gold ρ= 1.93 x 10^4 kg/m3. Watch...
1. [-/10 Points) DETAILS SERCP11 17.2.P.001. A current of 87.4 mA exists in a metal wire....
1. [-/10 Points) DETAILS SERCP11 17.2.P.001. A current of 87.4 mA exists in a metal wire. (a) How many electrons flow past a given cross section of the wire in 10.5 min? electrons (b) In what direction do the electrons travel with respect to the current? same direction opposite direction The magnitude is zero. Need Help? Read it Watch It 2. [-/10 Points) DETAILS SERCP11 17.4.P.010. An electric heater carries a current of 10.5 A when operating at a voltage...
Question 4. Sorry how I took the picture other questions show. lle Edit View History Bookmarks...
Question 4. Sorry how I took the picture other questions show.
lle Edit View History Bookmarks Window Help Student Home Lesson 17-Quiz 3. An aluminum wire having a cross-sectional area of 3.50 x 10m2 carries a current of 4.00 A. The density of aluminum is 2.70 g/cm supplies one conduction electron per atom. Find the drift speed of the electrons in the wire. mm/s 4, 10 points serCP10 17-P010. An electric heater carries a current of 12.0 A when operating...
1. Determine the net magnetic field at point P I, 4.00 I2 = 6.004 d. 15cm...
1. Determine the net magnetic field at point P I, 4.00 I2 = 6.004 d. 15cm d- 2. Two singly lonized atoms move out of a slit with a velocity of 2.000m/s into a magnetic field of 0.30 T pointing into the paper. Velocity and magnetic field are perpendicular to each other. One atom has a mass of 1.79x10 "gan the other one is four times of that. 3. Determine and is S. SA 4.1 4. Calculate the current in...
1. A ductile metal wire has resistance R. Then the wire is stretched to three times...
1. A ductile metal wire has resistance R. Then the wire is stretched to three times its original(poin) length. The stretching shrinks the diameter of the wire, but does not affect its density or resistivity. What is the resistance of the stretched wire? O3R 2. A current of 1.50 A flows through the leads of an electric appliance. How long does it take for (1 point) 7.50 C of charge to pass through the leads? 0 2.00s 11.0 s 6.00s...
Calculate the mass of a solid gold rectangular bar that has dimensions of 4.00 cm x...
Calculate the mass of a solid gold rectangular bar that has dimensions of 4.00 cm x 10.5 cm x 27.5 cm. (Assume the density of gold is 1.93 x 104 kg/m3.) 18. 3x Your response differs from the correct answer by more than 10%. Double check your calculations. kg Need Help? Read It Master It Talk to a Tutor Submit Answer Practice Another Version 3.34/5 points Previous Answers SerPSE8 14.P.003.WI. B My Notes A 54.0-kg woman wearing high-heeled shoes is...
PRACTICE IT Use the worked example above to help you solve this problem. An airplane has...
PRACTICE IT
Use the worked example above to help you solve this problem. An
airplane has wings, each with area 4.05 m2, designed so
that air flows over the top of the wing at 249 m/s and underneath
the wing at 226 m/s. Find the mass of the airplane such that the
lift on the plane will support its weight, assuming the force from
the pressure difference across the wings is directed straight
upwards.
Your response differs from the correct...
need the “exercise” answered. thanks PRACTICE IT Use the worked example above to help you solve this problem. A block with mass m 4.30 kg and a ball with mass m2 = 7.50 kg are connected by a lig...
need the “exercise” answered. thanks
PRACTICE IT Use the worked example above to help you solve this problem. A block with mass m 4.30 kg and a ball with mass m2 = 7.50 kg are connected by a light string that passes over a frictionless pulley, as shown in figure (a). The coefficient of kinetic friction between the block and the surface is 0.300. (a) Find the acceleration of the two objects and the tension in the string. a= 5.16...
1. [-/10 Points) DETAILS SERCP11 17.2.P.001. A current of 87.4 mA exists in a metal wire. (a) How many electrons flow past a given cross section of the wire in 10.5 min? electrons (b) In what direction do the electrons travel with respect to the current? same direction opposite direction The magnitude is zero. Need Help? Read it Watch It 2. [-/10 Points) DETAILS SERCP11 17.4.P.010. An electric heater carries a current of 10.5 A when operating at a voltage...
Question 4. Sorry how I took the picture other questions show.
lle Edit View History Bookmarks Window Help Student Home Lesson 17-Quiz 3. An aluminum wire having a cross-sectional area of 3.50 x 10m2 carries a current of 4.00 A. The density of aluminum is 2.70 g/cm supplies one conduction electron per atom. Find the drift speed of the electrons in the wire. mm/s 4, 10 points serCP10 17-P010. An electric heater carries a current of 12.0 A when operating...
1. Determine the net magnetic field at point P I, 4.00 I2 = 6.004 d. 15cm d- 2. Two singly lonized atoms move out of a slit with a velocity of 2.000m/s into a magnetic field of 0.30 T pointing into the paper. Velocity and magnetic field are perpendicular to each other. One atom has a mass of 1.79x10 "gan the other one is four times of that. 3. Determine and is S. SA 4.1 4. Calculate the current in...
1. A ductile metal wire has resistance R. Then the wire is stretched to three times its original(poin) length. The stretching shrinks the diameter of the wire, but does not affect its density or resistivity. What is the resistance of the stretched wire? O3R 2. A current of 1.50 A flows through the leads of an electric appliance. How long does it take for (1 point) 7.50 C of charge to pass through the leads? 0 2.00s 11.0 s 6.00s...
Calculate the mass of a solid gold rectangular bar that has dimensions of 4.00 cm x 10.5 cm x 27.5 cm. (Assume the density of gold is 1.93 x 104 kg/m3.) 18. 3x Your response differs from the correct answer by more than 10%. Double check your calculations. kg Need Help? Read It Master It Talk to a Tutor Submit Answer Practice Another Version 3.34/5 points Previous Answers SerPSE8 14.P.003.WI. B My Notes A 54.0-kg woman wearing high-heeled shoes is...
PRACTICE IT
Use the worked example above to help you solve this problem. An
airplane has wings, each with area 4.05 m2, designed so
that air flows over the top of the wing at 249 m/s and underneath
the wing at 226 m/s. Find the mass of the airplane such that the
lift on the plane will support its weight, assuming the force from
the pressure difference across the wings is directed straight
upwards.
Your response differs from the correct...
need the “exercise” answered. thanks
PRACTICE IT Use the worked example above to help you solve this problem. A block with mass m 4.30 kg and a ball with mass m2 = 7.50 kg are connected by a light string that passes over a frictionless pulley, as shown in figure (a). The coefficient of kinetic friction between the block and the surface is 0.300. (a) Find the acceleration of the two objects and the tension in the string. a= 5.16...
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