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Phoenix [80]
3 years ago
7

What is the speed of a wave with a wavelength of 3.0 m and a period of 0.40 s?

Physics
1 answer:
Zolol [24]3 years ago
8 0
The formula you need for this is
v = f λ
(velocity = frequency • wavelength)
A built-in reminder for this relationship is the units:
meters / second = meters • 1/seconds (aka hz, frequency)
therefore v = 3m / 0.4 seconds = 7.5 m/s
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Answer:

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Explanation:

The total no of protons and neutrons in an atomic nucleus is called mass number, nucleon number or atomic mass number. It is denoted by A.

In this problem, we need to find the nucleon number of carbon-14 i.e. mass number of carbon -14. 14 with carbon shows its mass number.

Hence, the nucleon no of carbon-14 is 14.

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Which of the following represents a case in which you are not accelerating? View Available Hint(s) Which of the following repres
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Answer:

4) Driving in a straight line at 60 miles per hour

Explanation:

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3) Slamming on the brakes to come to a stop at a stop sign

4) Driving in a straight line at 60 miles per hour

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Given that o.2i+bj+o.4k is a unit vector,what is the value of b?
pishuonlain [190]

Answer:

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Explanation:

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We need to find the value of b.

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So,

0.2^2+b^2+0.4^2=1\\\\0.04+b^2+0.16=1\\\\0.2+b^2=1\\\\b^2=1-0.2\\\\b=0.89

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