3 years ago

Which algebraic rule describes the transformation?

Physics

1 answer:

Paraphin [41]3 years ago

7 0

Answer:

(y) - (x - 2, y + 5)

Explanation:

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Avogadro‘s number was calculated by determining The number of atoms in

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12 grams of the isotope carbon-12.

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2 years ago

A good example of kinetic energy would be_____.

cestrela7 [59]

Answer:

B.) a stretched rubber band

Explanation:

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3 years ago

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3 years ago

In an arcade game a 0.099 kg disk is shot across a frictionless horizontal surface by compressing it against a spring and releas

Sonja [21]

Answer:

The speed of disk is 1.98 $\frac{m}{s}$

Explanation:

Given:

Mass of $m = 0.099$ kg

Spring constant $k = 244 \frac{N}{m}$

Compression of spring $x = 4 \times 10^{-2}$ m

From energy conservation theorem,

Spring potential energy converted into kinetic energy,

$\frac{1}{2} m v^{2} = \frac{1}{2} k x^{2}$

$v = \sqrt{\frac{k x^{2} }{m} }$

$v = \sqrt{\frac{244 \times 16 \times 10^{-4} }{0.099} }$

$v = 1.98 \frac{m}{s}$

Therefore, the speed of disk is 1.98 $\frac{m}{s}$

8 0

3 years ago

A clock is designed that uses a mass on the end of a spring as a timing mechanism. If the oscillation time needed is exactly one

user100 [1]

Answer:

The value is $k = 51.34 \ N/ m$

Explanation:

From the question we are told that

The mass is $m = 1.3 \ kg$

The needed oscillation time is $T = 1 \ s$

Generally the spring constant is mathematically represented as

$k = \frac{4 \pi^2 * m }{ T^2}$

=> $k = \frac{4* 3.142^2 * 1.3 }{ 1^2}$

=> $k = 51.34 \ N/ m$

5 0

3 years ago