3 years ago

The period of a 261-Hertz sound wave is

Physics

1 answer:

SCORPION-xisa [38]3 years ago

7 0

The period of a 261 hertz sound wave is
.000383 seconds

You might be interested in

What best describes a sonar wave

lawyer [7]

Sonar<span> (originally an acronym for Sound Navigation And Ranging) is a technique that uses sound propagation (usually underwater, as in submarine navigation) to navigate, communicate with or detect objects on or under the surface of the water, such as other vessels.</span>

8 0

3 years ago

In science, a hypothesis must be true.

Anon25 [30]

I would believe that this is false.

6 0

3 years ago

The lever allows Jeff 150 pounds to lift a much greater weight 600 pounds because A) the larger force is applied over a longer d

kvasek [131]

Jeff uses all of his weight to lift the 600 lbs. C is your answer i do believe

4 0

3 years ago

Which change will always result in an increase in gravitational force between two objects

grin007 [14]

Increasing the masses of the objects and decreasing the distance between the objects

7 0

3 years ago

Read 2 more answers

PLEASE HELP I HAVE FINALSSS

vitfil [10]

Answer: 26.67 m/s

Explanation:

Given

Length traveled by the ball $s=40\ m$

Time taken to reach the goal post is $t=3\ s$

Initial velocity $u=0\ m/s$

Using the second equation of motion

$\Rightarrow s=ut+\frac{1}{2}at^2\\\Rightarrow 40=0+\frac{1}{2}a(3)^2\\\Rightarrow a=\frac{80}{9}\ m/s^2\\$

Now using

$\Rightarrow v^2-u^2=2as\\\\\Rightarrow v^2-0=2\times \frac{80}{9}\times 40\\\\\Rightarrow v=\sqrt{\dfrac{80\times 80}{9}}=\dfrac{80}{3}\\\Rightarrow v=26.67\ m/s$

The velocity of ball will be 26.67 m/s

8 0

2 years ago