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2 years ago

What is the relationship between elevation and energy (think about the same can dropped from different heights)?

Physics

2 answers:

MA_775_DIABLO [31]2 years ago

8 0

Elevation would be showing you what height you are at, energy would be like what force your putting into the object.

aniked [119]2 years ago

6 0

Answer: Since gravitational force is inversely proportional to the square of the separation distance between the two interacting objects, more separation distance will result in weaker gravitational forces. So as two objects are separated from each other, the force of gravitational attraction between them also decreases.

Explanation:

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one car travels due east at 40 km/hr and a second car travels north at 40km/hr. Are their velocities equal?

Mariulka [41]

Answer:

No.

Explanation:

Velocity is a vector quantity which means that it has a certain direction so things that move in different directions DO NOT have the same velocity.

7 0

2 years ago

Which part of the ear vibrates at the frequency of sound waves

olganol [36]

The ear drum vibrates

6 0

2 years ago

Consider a string with a length of (47.5 A) cm tied at both end (like on a stringed instrument). If the frequency of the first h

zubka84 [21]

To solve this problem it is necessary to apply the concepts related to wavelength as a function of frequency and speed, as well as to determine the wavelength as a function of length.

From the harmonic vibration generated we know that the total length of the string will be equivalent to a half of the wavelength, that is

$L = \frac{\lambda}{2} \rightarrow \lambda = 2L$

Where,

$\lambda =$ Wavelength

Therefore the wavelength for us would be,

$\lambda = 2*47.5cm = 95cm = 0.95m$

From the relationship of speed, frequency and wavelength we know that

$\lambda = \frac{v}{f} \rightarrow v = \lambda f$

$v = (0.95m)(245Hz)$

$v = 232.75 m/s$

Therefore the speed of the wave is 232.75m/s

4 0

2 years ago

A 0.5 kg mass moving East with a velocity of 8 m/s is acted upon by a force of 20 N for 2.0 sec.

Andrej [43]

Answer:b

Explanation:

7 0

2 years ago

Cosmic ray particles can do permanent damage to DNA, especially if both strands are damaged. Explain why damage to just one base

Amanda [17]

One strand has the ability to for form its corresponding strand by means of the deoxy nucleosides existing in the cell. But conversely, if both the arrangements of DNA are impaired, then it would be impossible for the DNA to generate two strands that happened of same match from the current nucleosides. Henceforth, one strand damage can be remembered but double stranded can be lasting or permanent.

5 0

2 years ago