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3 years ago

During the flight of the ball, what is the direction of its Acceleration due to gravity

1 answer:

4 0

Regardless of what direction an object is moving, the acceleration
due to gravity is always directed toward the center of the Earth.
That's the direction commonly known as "down".

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In developed nations, the water delivered to homes by pipe is generally potable. Please select the best answer from the choices

stiv31 [10]

True is ur answer sorry if i am too late

6 0

3 years ago

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A ball initially at rest rolls down a hill with an acceleration of 3.3 m/s2. If it accelerates for 7.5 s, how far will it move?

goldfiish [28.3K]

Answer:

Ball will move 92.8125 meter along the cliff in 7.5 seconds.

Explanation:

We have equation of motion , $s= ut+\frac{1}{2} at^2$ , s is the displacement, u is the initial velocity, a is the acceleration and t is the time.

In this case initial velocity = 0 m/s, acceleration = 3.3 $m/s^2$ , we need to calculate displacement when time = 7.5 seconds.

Substituting

$s=0*7.5+\frac{1}{2} *3.3*7.5^2\\ \\ =92.8125 meter$

So ball will move 92.8125 meter along the cliff in 7.5 seconds.

5 0

3 years ago

Question 1

Step2247 [10]

1. B. Turpentine
2. C. Move on to another forested area.
3. A. Starting a tree plantation
4. D. Clear-cutting
5. C. Controlled burning

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3 years ago

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Devon was watching an old television show about people stranded on an island. One of the characters wanted to make an electric g

navik [9.2K]

D. a and c

Explanation:

To make a generator out of a bicycle, Devon will need two magnets and coil of wire.

There is a close knit relationship between magnetism and electricity. Electricity can be generated by a wire changing flux in the presence of a magnetic field.

The magnets provide magnetic field for the process.
The coil of wire is placed in between the magnetic field generated by the magnets.
The bicycle pedal is connected to the set up to turn the wire in between the magnetic fields.
This way, electricity is produced.

Learn more:

Electromagnet brainly.com/question/2191993

#learnwithBrainly

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3 years ago

Which of the following are true about a "simple compressible system"? It cannot be a mixture of different substances (e.g. oxyge

fomenos

Explanation:

The volume of a simple compressible system is not fixed. At a state of equilibrium, there should be uniformity in the entire system.

From the question we have here, these are the correct options:

1. It cannot be a mixture of different substances (e.g. oxygen and nitrogent)

2. It can be composed of any phases of a substance: solid, liquid, and/or gas

3. It's state is specified if given two independent, intensive thermodynamic properties.

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3 years ago