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Anni [7]
3 years ago
13

Gravity can be described as

Physics
2 answers:
il63 [147K]3 years ago
8 0

Answer:

D

Explanation: gravity is the force responsible for anything that goes up come down it tends to attract substances to the center of the earth

Agata [3.3K]3 years ago
6 0
 I think it is B because gravity is <span>the field force of mutual attraction between any two masses, especially an object and the earth</span>
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A bullet is shot vertically upward with an initial velocity of 128 ft/s. The bullet's height after t seconds is y(t) = 128t - 16
saul85 [17]

The height of the bullet when the velocity is zero is 256 ft.

<h3>Height of the bullet when the velocity is zero </h3>

The height of the bullet when the velocity is zero is determined by taking derivative of the function as shown below;

v = \frac{dy}{dt} = 128 -32t \\\\when \ v \ is \ zero\\\\v = 0\\\\128 - 32t = 0\\\\32t = 128\\\\t = \frac{128}{32} \\\\t = 4 \  s

The height of the bullet at this time is calculated as follows;

y(4) = 128(4) - 16(4)^2\\\\y(4) = 256 \ ft

Learn more about height of projectiles here: brainly.com/question/10008919

6 0
3 years ago
An air bubble underwater has the same pressure as that of the surrounding water. As the air bubble rises toward the surface (and
goldenfox [79]

Answer:

D Remains constant

Explanation:

3 0
3 years ago
How far will a freely falling object fall from rest in five seconds? six seconds?
Vanyuwa [196]
Distance = 1/2*gravity*velocity^2 
<span>So plugging: 1/2 * 9.8 * 25 = 122.5units
 and is six second
</span><span>Distance = 1/2*gravity*velocity^2 
</span><span>So plugging: 1/2 * 9.8 * 36= 176.4 units</span>
4 0
3 years ago
The idea that species change over time is called
qaws [65]
The answer is evolution. When a specifies evolves over time they change and adapt to their environment.
4 0
3 years ago
Read 2 more answers
A measurement of density (mass/volume) is performed by measuring the mass of a sample of a rough cubic piece of metal on a balan
koban [17]

Answer:

Random errorrs

1) Variations in the level of the eye when we measure the dimensions of the cubic piece using the metric rule.

2) Possible vibrations or disbalance when we measure the mass of the of the cylinder.

Systematic errors

3) Wrong calibration for the balance and that represent a measurement wrong

Explanation:

Previous concepts

Random error represent an statistical error associated to the effect random in the experiment.

Systematic error is a "repeatable error associated with faulty equipment or a flawed experiment design", so is an error non controlled.

Solution to the problem

So as we can see we have two possible types of errors : random and systematic errors. For this stuation the list of 3 errors required are:

Random errors

1) Variations in the level of the eye when we measure the dimensions of the cubic piece using the metric rule.

2) Possible vibrations or disbalance when we measure the mass of the of the cylinder.

Systematic errors

3) Wrong calibration for the balance and that represent a measurement wrong

8 0
4 years ago
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