What is the period of vibration for a wave with a frequency of 100 hertz?

Answers

Answer 1

Answer:

The number of back-and-forth vibrations in a unit of time is an object's frequency. A complete back-and-forth vibration is one cycle. 1 Hz is one vibration or wave cycle per second!

Answer 2

Answer:

Answer:

100 seconds

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6. A 73-kg woman stands on a scale in an elevator. Thescale reads 810 N. What is the magnitude and
direction of the elevator's acceleration?

A. 0.23 m/s2 up
B. 1.3 m/s2 up
C. 6.5 m/s2 down
D. 11 m/s2 down

Answers

The magnitude and direction of the elevator's acceleration would be $1.296 ms^(-2) \: upward$

Given the Parameters :

Scale, reading, N = 810 N

Mass, m = 73 kg
Acceleration due to gravity, g = 9.8 m/s²

The Normalforce can be calculated using the relation :

$N = mg + ma$

$N = m(g + a)$

$g + a = (N)/(m)$

$a = (N)/(m) - g$

Substituting the Parameters into the equation :

$a = (810)/(73) - 9.8$

$a = 11.0959 - 9.8$

$a = 1.296 ms^(-2)$

Scale reading > weight of woman (73 × 9.8)

810 < 715.4 (acceleration will be upward)

Therefore, the acceleration of the elevator would be $a = 1.296 ms^(-2) \: upward$

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Answer:

Explanation:

n = m(g +a)

n= normal force (N)

m=mass (kg)

g=acceleration of gravity

a= acceleration of elevator

rearrange:

a= n/m - g

a= (810 N/73 kg) - 9.8 m/s ^2

a= 1.3 m/s ^2 up

and the acceleration is upwards bc her weight is less than the scale reading

When water condenses onto the grass in the early morning when the air is clear

Answers

it is called dew which is when water condenses onto the grass in the early morning.

Which describes Newton's law of universal gravitation?Gravitational force is directly proportional to the distance between objects.
All objects repel all other objects.
Gravitational force increases with distance.
All objects attract all other objects.

Answers

Answer:all object attracts all other objects

Explanation:

All objects attracts all other objects

What is Newtons 2nd law of motion?

Answers

Newton's second law of motion can be formally stated as follows: The acceleration of an object as produced by a net force is directly proportional to the magnitude of the net force, in the same direction as the net force, and inversely proportional to the mass of the object.

How many years is a light year

Answers

A "light year" is not an amount of time.

It's an amount of distance ... the distance that light travels
through space in one year.

1 light year = 5,878,625,372,000 miles
(rounded to the nearest thousand miles)

1 light-year = 9,460,730,473,000 kilometers
(rounded to the nearest thousand kilometers)

10,108 earth years equals 1 light year

In what form is carbon found in the atmosphere?

Answers

Answer:

Carbon is found in the atmosphere mostly as carbon dioxide.

Explanation:

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