2 years ago

What is the answer to this?

Physics

2 answers:

jeka57 [31]2 years ago

7 0

Answer:

I think it is the forth one

Art [367]2 years ago

5 0

Answer:

the last one. "of the thumbprint searing her immutable brow"

Explanation:

I hope it help you : )

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Why do people delte your answer or the question on here i is new so idk can someone plz help?

natita [175]

they are prob deleting you answers/questions because you are violating the Terms of Use or the Community Guidelines.

if you want to know how to get around Brainly and know the rules you can read the

Terms or Use: brainly.com/pages/terms_of_use

and the

Community Guidelines: brainly.com/pages/community_guidelines

5 0

3 years ago

1. Find the kinetic energy of a .023 kg bullet moving at 420 m/s.

love history [14]

Answer:

Correct answer: Ek = 2,028.6 J

Explanation:

Ek = m v²/2 = 0.023 · 220² = 0.023 · 176,400/2 = 2,028.6 J

God is with you!!!

8 0

3 years ago

LAST ONE! ASAP PLEASE

Doss [256]

Answer:

There are so many questions which one you don't know

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3 years ago

Read 2 more answers

For a top player, a tennis ball may leave the racket on the serve with a speed of 55 m/s (about 120 mi/h). If the ball has a mas

inn [45]

Answer:

Yes is large enough

Explanation:

We need to apply the second Newton's Law to find the solution.

We know that,

$F= ma$

And we know as well that

$a= \frac{v}{t}$

Replacing the aceleration value in the equation force we have,

$F= \frac{mv}{t}$

Substituting our values we have,

$F= \frac{(0.060)(55)}{4*10^{-3}}$

$F=825N$

The weight of the person is then,

$W = mg$

$W = (60)(9.8) = 558N$

<em>We can conclude that force on the ball is large to lift the ball</em>

6 0

3 years ago

A hoodlum throws a stone vertically downward with an initial speed v0 from the roof of a building, a height h above the ground.

Vaselesa [24]

V2=u2+2as
v2=144+600
v2=744
v=√744

6 0

3 years ago