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Long wants to save $87 for tickets to a rock concert. If she has $23 now and will save 4 per week, how long will it take her to get enough money to buy the tickets? Define a variable and then write and
asked
May 28, 2020
Mathematics
middle-school
1
answer
2
votes
34.2k
views
A long solenoid has 103 turns/cm and carries current i. An electron moves within the solenoid in a circle of radius 2.60 cm perpendicular to the solenoid axis. The speed of the electron is 1.38 × 107 m/s.
asked
Feb 1, 2020
Physics
college
1
answer
1
vote
230k
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