Susan uses doppler radar to analyze wind patterns in five cities and determine how windy it is.
which statement describes how she benefits from this form of technology?
a)susan can process wind speed data from different regions
b)susan can observe the wind without recording or storing any data.
c)susan can collect wind data by writing her observations on paper.
d)susan can travel to each location to determine how fast the wind is blowing

The answer is letter A, Susan can process wind speed data from different regions.

Explanation:

Doppler Effect- this is a mechanism of measuring the change in frequency of light, sound or waves from a source. The sources are then observed in relation to an observer.

Doppler Radar- this is a radar which specializes in Doppler effect. It provides velocity data of specific objects. Since velocity refers to the speed of an object in a specific direction, then this makes the answer letter A. Susan can process wind speed data from different regions. This means that, with the help of the Doppler radar, Susan will be able to gather the velocity data of wind in relation to specific directions from each region.

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: