Answer:
The correct answer is "995.22 turns".
Step-by-step explanation:
The given values are:
Magnetic field,
B = 0.50 T
Current,
i = 400 A
Length of solenoid,
L = 8.0 m
As we know,
⇒
then,
⇒
On substituting the given values, we get
⇒
⇒
⇒
4. A yellow cab Taxi charges $5.00 flat rate in addition of $0.65 per mile. Jan has no more than $20 to spend on a ride.
1 answer:
Answer:
Step-by-step explanation:
Let x be the number of miles Jan can drive in a taxi.
The cost of this ride consists of
- $5.00 flat rate
- $.065 per mile
So, per x miles Jan will pay $0.65x and the total cost of the ride will be
$5.00+$0.65x
Jan has no more than $20 to spend on a ride, then the total cost of his ride must be less or equal to $20. Mathematically, you can write this as
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Step-by-step explanation:
