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3 years ago

What is always coming, but never arrives?

Physics

2 answers:

oksian1 [2.3K]3 years ago

6 0

Answer:

tomorrow

please give me brainliest :)

Explanation:

tomorrow is always coming the next day but it never arrives because once the days over there is a new and different tomorrow and what was supposed to be tomorrow becomes today

nataly862011 [7]3 years ago

4 0

Answer:Tommorow

Explanation:

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two object gravitationally attract with a force of 20N.if the distance between the two object centers is doubled, then what is t

Usimov [2.4K]

Gravity decreases with the square of the distance, so the new force is (20)/(2*2) = 5N.

8 0

3 years ago

Excellent human jumpers can leap straight up to a height of

Firlakuza [10]

For a human jumper to reach a height of 110 cm, the person will need to leave the ground at a speed of 4.65 m/s.

We can calculate the initial speed to reach 110 cm of height with the following equation:

$v_{f}^{2} = v_{i}^{2} - 2gh$

Where:

$v_{f}$ : is the final speed = 0 (at the maximum height of 110 cm)

$v_{i}$ : is the initial speed =?

g: is the acceleration due to gravity = 9.81 m/s²

h: is the height = 110 cm = 1.10 m

Hence, the <u>initial velocity</u> is:

$v_{i} = \sqrt{v_{f}^{2} + 2gh} = \sqrt{2*9.81 m/s^{2}*1.10 m} = 4.65 m/s$

Therefore, the initial speed that the person must have to reach 110 cm is 4.65 m/s.

You can see another example here: brainly.com/question/13359681?referrer=searchResults

I hope it helps you!

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2 years ago

Which of these determines an objects ability to sink or float in water?

Zigmanuir [339]

Answer:

C. Density

Explanation:

8 0

3 years ago

If a ball is thrown horizontally with a speed of 65 mph, how far will it fall while traveling 90 ft of horizontal distance?

kow [346]

Answer:

install socrati it give you all answers

Explanation:

3 0

3 years ago

Light of wavelength 400 nm is incident on a single slit of width 15 microns. If a screen is placed 2.5 m from the slit. How far

olganol [36]

Answer:

0.0667 m

Explanation:

λ = wavelength of light = 400 nm = 400 x 10⁻⁹ m

D = screen distance = 2.5 m

d = slit width = 15 x 10⁻⁶ m

n = order = 1

θ = angle = ?

Using the equation

d Sinθ = n λ

(15 x 10⁻⁶) Sinθ = (1) (400 x 10⁻⁹)

Sinθ = 26.67 x 10⁻³

y = position of first minimum

Using the equation for small angles

tanθ = Sinθ = y/D

26.67 x 10⁻³ = y/2.5

y = 0.0667 m

5 0

3 years ago