3 years ago

Mass is constant, but weight can change with location. Explain.

1 answer:

4 0

Weight is relative to gravity. You weigh more on a planet or area that has more gravity because it is pulling you down more. Mass is a measure of how much matter there is but weight is the measure of the pull of gravity on an object

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Westkost [7]

F = M A

Force = (mass) x (acceleration)

= (1,650 kg) (4 m/s²) = 6,600 kg-m/s² = 6,600 Newtons

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4 years ago

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Which variable would be most useful in determining the number of people eligible for retirement benefits in a certain year?

KonstantinChe [14]

The answer is

D. Age structure

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3 years ago

A student performing a double-slit experiment is using a green laser with a wavelength of 550 nm. She is confused when the m = 5

sweet [91]

Answer:

d = 52 μm

Explanation:

given,

wavelength of the light source (λ)= 550 nm

distance to form interference pattern(D) = 1.5 m

y = 1.6 cm = 0.016 m

width of the slits = ?

now, using displacement formula

$y = \dfrac{m\lambda\ D}{d}$

for the first maxima, m = 1

$d = \dfrac{1\times \lambda\ D}{y}$

$d = \dfrac{1\times 550 \times 10^{-9}\times 1.5}{0.016}$

d = 5.2 x 10⁻⁶ m

d = 52 μm

hence, the width of her slits is equal to d = 52 μm

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4 years ago

Correctly round the following number to the ten thousandths place 3.68274

Sergeu [11.5K]

The answer to this question is 3.69

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3 years ago

3000 N is exerted for 4.0 seconds on a 9500 kg object. What is the change in momentum?

WARRIOR [948]

Force is the change in momentum over a specific time. The change of momentum is therefore the force multiplied by the time that the force acts, so 3000x4.0=12000 N s=12000 kg m/s

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2 years ago