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Estimate the electron drift velocity Express your answer using two significant figures. A 0.62-mm -diameter copper...
plz keep in mind sig figures :) A 0.70-mm-diameter copper wire carries a tiny current of...
plz keep in mind sig figures :)
A 0.70-mm-diameter copper wire carries a tiny current of 2.6 uA . The molar mass of copper is 63.5 g/mole and its density is 8900 kg/m' NA = 6.02 x 1023 Part A Estimate the electron drift velocity. Assume one free electron per atom. Express your answer to two significant figures and include the appropriate units. uA ? vd = Value Units
1. Part A What is the diameter of a 1.00-m length of tungsten wire whose resistance...
1. Part A What is the diameter of a 1.00-m length of tungsten wire whose resistance is 0.45 Ω ? Express your answer using two significant figures. 2. Part A What is the maximum instantaneous power dissipated by a 3.4-hp pump connected to a 240-Vrms ac power source? 1 hp = 746 W. Express your answer using two significant figures. Part B What is the maximum current passing through the pump? Express your answer to two significant figures and include...
A 0.68-mm-diameter copper wire carries a tiny current of 2.4 μA . The molar mass of...
A 0.68-mm-diameter copper wire carries a tiny current of 2.4 μA . The molar mass of copper is 63.5 g/mole and its density is 8900 kg/m3. NA=6.02×1023. Estimate the electron drift velocity. Assume one free electron per atom.
How much current is needed? Review Express your answer using two significant figures You would like...
How much current is needed? Review Express your answer using two significant figures You would like to store 8.8 J of energy in the magnetic field of a solenoid The solenoid has 570 circular turns of diameter 7.8 cm distributed uniformly along its 29 cm length Submit Request Answer Part B What is the magnitude of the magnetic field inside the solenoid? Express your answer using two significant figures Submit Request Answer Part C What is the energy density (energy/volume)...
The wires leading to and from a 0.12-mm-diameter lightbulb filament are 1.5 mm in diameter. The...
The wires leading to and from a 0.12-mm-diameter lightbulb filament are 1.5 mm in diameter. The wire to the filament carries a current with a current density of 4.2x105 A/m . Part A What is the current in the filament? Express your answer to two significant figures and include the appropriate units. GHA O ? Value Units Submit Request Answer - Part B What is the current density in the filament? Express your answer to two significant figures and include...
Express your answer using two significant figures. Review A point charge of-8.9 μC is at the...
Express your answer using two significant figures. Review A point charge of-8.9 μC is at the origin. Correct Part C What is the electric potential at (3.0m 3.0m)? Express your answer using two significant figures. ˇ- 11.8.104 Submit Previous Answers Request Answer Incorrect; Try Again; 2 attempts remaining
A. 1x10-10 m/s A 0.65 mm diameter copper wire carries a tiny current of 2.3 uA....
A. 1x10-10 m/s A 0.65 mm diameter copper wire carries a tiny current of 2.3 uA. Estimate the electron drift velocity. B. 7x10-10 m/s O C. 2x10-10 m/s O d. 5.1x10-10 m/s
Part A Review What is the spring constant? Express your answer to two significant figures and...
Part A Review What is the spring constant? Express your answer to two significant figures and include the appropriate units. A spring is hanging from the ceiling. Attaching a 430 g physics book to the spring causes it to stretch 30 cm in order to come to equilibrium. kValue Units Submit Part B From equilibrium, the book is pulled down 10 cm and released. What is the period of oscillat Express your answer to two significant figures and include the...
What is the maximum height attained by the rocket? Express your answer using two significant figures....
What is the maximum height attained by the rocket? Express your answer using two significant figures. VO AEO ? hmax = 35.34 m Submit Previous Answers Request Answer X Incorrect; Try Again; 5 attempts remaining Part B What is the speed of the rocket just before it hits the ground? Express your answer using two significant figures. IVO AED ? V = m/s Submit Request Answer Part C What is the total duration of the rocket's flight? Express your answer...
Express your answer using three significant figures. Review VAEc ? The force applied at the handle...
Express your answer using three significant figures. Review VAEc ? The force applied at the handle of the rigid lever causes the of le The wires are unstretched when the lever is in the 2.4 horizontal position. (Figure 1) (CAHA mm/mm Request Answer Submit Part B wire CG. Determine the average normal strain developed Express your answer using three significant figures. vec AE ww (eccg mm/mm Request Answer Submit Figure 1 of 1 Part C wire DF. Determine the average...
plz keep in mind sig figures :)
A 0.70-mm-diameter copper wire carries a tiny current of 2.6 uA . The molar mass of copper is 63.5 g/mole and its density is 8900 kg/m' NA = 6.02 x 1023 Part A Estimate the electron drift velocity. Assume one free electron per atom. Express your answer to two significant figures and include the appropriate units. uA ? vd = Value Units
How much current is needed? Review Express your answer using two significant figures You would like to store 8.8 J of energy in the magnetic field of a solenoid The solenoid has 570 circular turns of diameter 7.8 cm distributed uniformly along its 29 cm length Submit Request Answer Part B What is the magnitude of the magnetic field inside the solenoid? Express your answer using two significant figures Submit Request Answer Part C What is the energy density (energy/volume)...
The wires leading to and from a 0.12-mm-diameter lightbulb filament are 1.5 mm in diameter. The wire to the filament carries a current with a current density of 4.2x105 A/m . Part A What is the current in the filament? Express your answer to two significant figures and include the appropriate units. GHA O ? Value Units Submit Request Answer - Part B What is the current density in the filament? Express your answer to two significant figures and include...
Express your answer using two significant figures. Review A point charge of-8.9 μC is at the origin. Correct Part C What is the electric potential at (3.0m 3.0m)? Express your answer using two significant figures. ˇ- 11.8.104 Submit Previous Answers Request Answer Incorrect; Try Again; 2 attempts remaining
A. 1x10-10 m/s A 0.65 mm diameter copper wire carries a tiny current of 2.3 uA. Estimate the electron drift velocity. B. 7x10-10 m/s O C. 2x10-10 m/s O d. 5.1x10-10 m/s
Part A Review What is the spring constant? Express your answer to two significant figures and include the appropriate units. A spring is hanging from the ceiling. Attaching a 430 g physics book to the spring causes it to stretch 30 cm in order to come to equilibrium. kValue Units Submit Part B From equilibrium, the book is pulled down 10 cm and released. What is the period of oscillat Express your answer to two significant figures and include the...
What is the maximum height attained by the rocket? Express your answer using two significant figures. VO AEO ? hmax = 35.34 m Submit Previous Answers Request Answer X Incorrect; Try Again; 5 attempts remaining Part B What is the speed of the rocket just before it hits the ground? Express your answer using two significant figures. IVO AED ? V = m/s Submit Request Answer Part C What is the total duration of the rocket's flight? Express your answer...
Express your answer using three significant figures. Review VAEc ? The force applied at the handle of the rigid lever causes the of le The wires are unstretched when the lever is in the 2.4 horizontal position. (Figure 1) (CAHA mm/mm Request Answer Submit Part B wire CG. Determine the average normal strain developed Express your answer using three significant figures. vec AE ww (eccg mm/mm Request Answer Submit Figure 1 of 1 Part C wire DF. Determine the average...
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