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3 years ago

What are meant by the statement relative density of gold are 19.3

Physics

1 answer:

Doss [256]3 years ago

7 0

It means that 19.3g of gold is packed into 1cm^3.

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You attach a meter stick to an oak tree, such that the top of the meter stick is 1.87 meters above the ground. Later, an acorn f

Verdich [7]

To solve this problem we will apply the concepts related to the kinematic equations of linear motion. We will calculate the initial velocity of the object, and from it, we will calculate the final position. With the considerations made in the statement we will obtain the total height. Initial velocity of the acorn,

$u = 0m/s$

Also, it is given that the acorn takes 0.201s to pass the length of the meter stick.

$s = ut+\frac{1}{2} at^2$

Replacing,

$1 = u(0.141)+ \frac{1}{2} (9.8)(0.141)^2$

$u =6.4013m/s$

The height of the acorn above the meter stick can be calculated as,

$v^2 = u^2 +2gh$

$h = \frac{v^2-u^2}{2g}$

$h = \frac{6.4013^2-0^2}{2(9.8)}$

$h = 2.0906m$

Also the top of the meter stick is 1.87m above the ground hence the height of the acorn above the ground is

$h = 2.0906+1.87$

$h = 3.9606m$

4 0

4 years ago

Describe the motion of an object as it accelerates. IN YOUR OWN WORD!! ASAP

Pachacha [2.7K]

Answer:

The aceleration of an object is in the direction of the net force. If you push or pull an object in a particular direction, it accelerates in that direction. The aceleration has a magnitude directly proportional to the magnitude of the net force.

Explanation:

Hope this helps Plz mark brainliest

5 0

3 years ago

What factor has the greatest impact on flexibility?

hjlf

That would be c. :) :) :)

4 0

3 years ago

Describe speed of light

dmitriy555 [2]

Answer:

Definition of speed of light. : a fundamental physical constant that is the speed at which electromagnetic radiation propagates in a vacuum and that has a value fixed by international convention of 299,792,458 meters per second

Explanation:

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3 years ago

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In which item is energy stored in the form of gravitational potential energy

lara31 [8.8K]

Stretched bow string

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3 years ago

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