A car drives 23 m/s east for 35 seconds. What is the displacement of the car in this time?
A. 805 m west
B. 23 m east
C. 805 m east
D. 523 m east

805m east

Explanation:

From the data above v=23m/s, t=35s

Average velocity= Displacement/Time.

Displacement= Average velocity X Time.

Displacement= 23 X 35= 805m

So, the correct answer is 805m east.

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what do the different brain waves do?

explanation:

brainwaves are produced by synchronised electrical pulses from masses of neurons communicating with each other. brainwaves are detected using sensors placed on the scalp. brainwave speed is measured in hertz (cycles per second) and they are divided into bands delineating slow, moderate, and fast waves.