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madam [21]
3 years ago
10

Jonathan has six strings that are the same thickness and are all the same material. He cuts the strings to different lengths and

pulls so that they all have the same tightness. Which string will have the highest pitch when he plucks it with his finger?
Physics
2 answers:
harkovskaia [24]3 years ago
7 0
The shortest string will have the highest pitch.

tamaranim1 [39]3 years ago
4 0

Your answer is C.

The shortest string will have the highest pitch. This is because the pitch of a sound depends on the speed of its vibrations.

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Gases have an indefinite shape and volume
Sindrei [870]

Yes that's true they do.

A sample of gas will change its shape and size, to take on the exact shape and size of whatever container you put it in.

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1000 kg car takes travels on a circular track having radius 100 m with speed 10 m/s. What is the magnitude of the acceleration o
Hoochie [10]

Answer: B. 1m/s^2

Explanation:

6 0
3 years ago
How long would it take for a ball dropped from the top of a 484-foot building to hit the ground? round your answer to two decima
Alja [10]
First, convert the ft to standard units of meters.
1 foot = <span>0.3048 meters
Therefore,
484 ft = 147.5232 meters

Then, we will use the laws of motion to calculate the time:
x = 0.5 at^2
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t is the time taken
Substitute in the equation with the givens to calculate the time as follows:
147.5232 = (0.5 x 9.8) t^2
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3 0
2 years ago
What is the frequency of a wave with a wavelength of 12 meters and a velocity of 4 m/s?
trasher [3.6K]

Answer:

0.33 hz

Explanation:

the formula for the frequency in this situation is f=v/wavelength

8 0
2 years ago
In which one(s) of the following situations will there be an INCREASE in Kinetic Energy? Group of answer choices A block slides
Maksim231197 [3]

Answer:

The Kinetic Energy INCREASE in the following situations:

a)A block slides down a frictionless incline:

e)A merry go round rotates faster due to the push by a person.

Explanation:

The energy kinetics is proportional to the square of the velocity:

E_k=1/2*mv^2

We study the cases:

a)A block slides down a frictionless incline:

The gravity made a positive work and the box get a extra velocity, then the kinetics energy INCREASE

b)A box is pulled across a rough floor at constant speed:

The magnitude of the velocity does not change, so the kinetics energy does not change as well

c)A stone at the end of a string is whirled in a horizontal circle at constant speed:

The magnitude of the velocity does not change, so the kinetics energy does not change as well

d)A projectile approaches its maximum height:

If the projectile approaches its maximum height, its velocity approaches to zero. Then the kinetics Energy DECREASE

e)A merry go round rotates faster due to the push by a person.

Thanks to the push, the magnitude of the velocity INCREASE, so the kinetics energy INCREASE as well

6 0
3 years ago
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