What is the period of a wave generated by anearthquake, if it has a wavelength of 500 meters and a
speed of 5,000 meters per second?
Answers
Answer:
Period T = 0.1 second
Explanation:
Given that the
wavelength = 500 meters
speed V = 5000 meters per second
The wave speed is the ratio of wavelength to period of the wave. That is,
V = λ/T
Where
V = wave speed (m/s)
λ = wavelength (m).
T = period (s)
Using the formula above gives
5000 = 500/T
Make T the subject of formula
T = 500/5000
T = 0.1 s
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Answers
Answer:
The acceleration of this helicopter is
Explanation:
In this question the velocity changes from 30 m/sto 40 m/s in 5 seconds.
Initial velocity u=
Final velocity u=
Time t=
Acceleration is defined as the rate of change of velocity. It is given by the equation
=
=
=
All moving bodies aren’t necessarily accelerated. To be identified as accelerating, a body should have its velocity changing. Thus a body in uniform motion is not accelerating since its velocity is constant.
Answer:
A helicopter’s speed increases from 30 m/s to 40 m/s in 5 seconds.
What is the acceleration of this helicopter?
2
m/s2
Explanation:
Correct on egde