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kolbaska11 [484]
3 years ago
10

Imagine a block that is 10 cm x 10 cm x 10 cm. If you cut the block in half, what then would be the dimensions of 1/2 of the blo

ck
Physics
1 answer:
Anika [276]3 years ago
6 0
Ghhhhhbhgfghjfghbfffggu
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If i try to fail and succeed which one did I do
Novay_Z [31]
You've failed because you failing becomes a statement rather than it becoming fact or what actually happened. 
7 0
3 years ago
A 12 kg block is accelerating at the rate of 9.0 m/s? while being acted on by two forces.
Aliun [14]

Answer:

See below

Explanation:

F = ma

F = 12 * 9 = 108 N

  108 N  needed      <u> add  30 N more east </u>

8 0
1 year ago
If an object is thrown upward with an initial velocity of 128 ​ft/second, then its height after t seconds is given by the follow
IrinaK [193]

Answer:

The maximum height attained by the object and the number of seconds are 128 ft and 4 sec.

Explanation:

Given that,

Initial velocity u= 128 ft/sec

Equation of height

h = 128t-32t^2....(I)

(a). We need to calculate the maximum height

Firstly we need to calculate the time

\dfrac{dh}{dt}=0

From equation (I)

\dfrac{dh}{dt}=128-64t

128-64t=0

t=\dfrac{128}{64}

t=2\ sec

Now, for maximum height

Put the value of t in equation (I)

h =128\times2-32\times4

h=128\ ft

(b). The number of seconds it takes the object to hit the ground.

We know that, when the object reaches ground the height becomes zero

128t-32t^2=0

t(128-32t)=0

128=32t

t=4\ sec

Hence, The maximum height attained by the object and the number of seconds are 128 ft and 4 sec.

3 0
3 years ago
The distance traveled by a wave during a single period is
White raven [17]
I think it's wavelength
Hope I helped.
7 0
3 years ago
When the cornea and lens of the eye do not properly focus
frutty [35]

Answer:

When there is nearsightedness or myopia

Explanation:

As, in myopia the image is formed in front of the retina.

Which makes things looking at things near very easy, but looking at far away things very difficult.

So concave lens makes things look bigger, so therefore, it is used during myopia, to make things look bigger when they are far away

3 0
3 years ago
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