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Question 5
10 Points
Group 7. Click on the statement that supports the point. Point: Stress has a negative effect on
health
a. Stress can cause an irregular heartbeat, which can lead to a heart attack.
b. Stress triggers a person's "flight or fight" response, which can save him or her from danger.
c. Stress can be caused by scary events or by pleasant ones, such as a romantic encounter,
d. Yoga, meditation, and breathing exercises can all be used to reduce stress.
Question 6

Your answer should be A. Stress can cause an irregular heartbeat, which can lead to a heart attack.

a solenoid is created by wrapping a l = 90 m long wire around a hollow tube of diameter d = 4.5 cm.   the wire diameter is d = 0.9 mm.   the solenoid wire is then connected to a power supply so that a current of i = 9 a flows through the wire.

randomized variablesl = 90 m

d = 4.5 cm

d = 0.9 mm

i = 9 a                                          

write an expression for the number of turns, n, in the solenoid. you do not need to take into account the diameter of the wire in this calculation.

calculate the number of turns, n, in the solenoid.

write an expression for the length of the solenoid (l2) in terms of the diameter of the hollow tube d.

calculate the length of the solenoid (l2)   in meters.

calculate the magnitude of the magnetic field at the center of the solenoid in teslas.

explanation:

i literally just read the book and studied it for months so i could you, but i need to know where these questions are coming from. they are too general.