What is the average acceleration of a car that starts from
2 answers:
<u>Answer:</u>
The car is moving at an average acceleration of 1.5 m/s2
<u>Explanation</u>:
According to the question,
The car is moving in a straight road
The speed of the car = 18 m/s
Time is given (t) = 12 s
Acceleration is the rate of change of speed with respect to time. It is computed by the formula;
Acceleration = (18 m/s)/(12 s)= 1.5 m/s2
Therefore, the car is moving at an average acceleration of 1.5 m/s2
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Answer:
a) 107.1875 Hz
b) 214.375 Hz
c) 321.5625 Hz
Explanation:
L = length of the open organ pipe = 1.6 m
v = speed of sound = 343 m/s
f = fundamental frequency
fundamental frequency is given as
inserting the values
Hz
b)
first overtone is given as
f' = 2f
f' = 2 (107.1875)
f' = 214.375 Hz
c)
first overtone is given as
f'' = 3f
f'' = 3 (107.1875)
f'' = 321.5625 Hz