2 years ago

Porque un pájaro eriza sus plumas

Physics

1 answer:

PolarNik [594]2 years ago

3 0

Answer:

¿Qué estás intentando hoy?

Explanation:

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ANOTHER PHYSICS QUESTION PLEASE HELP!

Sergio039 [100]

Answer

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Hope it helps:)

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3 years ago

In Example 2.12, two circus performers rehearse a trick in which a ball and a dart collide. Horatio stands on a platform 6.4 m a

pickupchik [31]

Answer:

time of collision is

t = 0.395 s

$h = 5.63 m$

so they will collide at height of 5.63 m from ground

Explanation:

initial speed of the ball when it is dropped down is

$v_1 = 0$

similarly initial speed of the object which is projected by spring is given as

$v_2 = 16.2 m/s$

now relative velocity of object with respect to ball

$v_r = 16.2 m/s$

now since we know that both are moving under gravity so their relative acceleration is ZERO and the relative distance between them is 6.4 m

$d = v_r t$

$6.4 = 16.2 t$

$t = 0.395 m$

Now the height attained by the object in the same time is given as

$h = v_2 t - \frac{1}{2}gt^2$

$h = 16.2(0.395) - \frac{1}{2}(9.81).395^2$

$h = 5.63 m$

so they will collide at height of 5.63 m from ground

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3 years ago

If Chris drives 27 km N and then 40 km E , what is the distance and displacement

Bas_tet [7]

The answer would be 13.

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3 years ago

Which one is made up of one or more molecules?

djverab [1.8K]

Atoms are made up or one or more molecules

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2 years ago

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Plsss help me!!!!!!!!!

natali 33 [55]

It should be the B
Low frequency and long wavelength

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2 years ago