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Nikitich [7]
3 years ago
9

An 18kg block moving at 6 m/s has kinetic energy of

Physics
1 answer:
sergey [27]3 years ago
6 0

½ × 18 × 6² = 324 J

hope that helps^^

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1. Summarize What are the four conditions of a<br>purely competitive market?​
bearhunter [10]

Answer:

Explanation:

1. Many buyers and sellers participate in the market.

2. Sellers offer identical products.

3. Buyers and sellers are well informed about products.

4. Sellers are able to enter and exit the market freely.

5 0
3 years ago
On a distance-versus-time graph, _____.
babymother [125]

Answer:

A

Explanation:

The slope of the graph has the units of vertical axis divided by horizontal axis. This means that the slope of a distance vs time graph is distance/time, or velocity.

Slope is calculated by "rise over run" so C is incorrect.

Since the slope represents velocity, a constant slope equates to a constant velocity, hence B is incorrect. Same reasoning for D being incorrect: if the slope is zero, the object is not moving.

3 0
3 years ago
Charge is moving through a wire. An amount of charge Q moves past a particular spot in the wire in an amount of time t to produc
Blababa [14]

We will apply the concept related to the current change given in the same problem. We will divide both currents into two states: the new current and the old current. As the current is the change of the load in a certain time, we will have that the old current is,

I_{old} = \frac{dq}{dt}

If it takes 5 times more time, then we will have the new current is,

I_{new} = \frac{dq}{5dt}

I_{new} = \frac{1}{5}(\frac{dq}{dt})

Replacing the given value of the old current we will have to,

I_{new} = \frac{I_{old}}{5}

Therefore the new current will be \frac{1}{5} the old current.

5 0
4 years ago
Which of these best defines energy?
Tomtit [17]

D) the ability to make things happen​

Explanation:

Energy is simply defined as the ability to do work or to make things happen. Energy is important to all aspects of living and non-living things. Based on the law of conservation of energy "energy can neither be created nor destroyed but can be transformed from one form to another".

Different forms of energy exists such as heat, thermal, chemical, mechanical, sound, electrical, e.t.c

Learn more:

Energy brainly.com/question/8727665

#learnwithBrainly

3 0
3 years ago
The seatbelt across your chest should have about ________ fist width of slack.
maw [93]
It should have 1 or even less. Modern seat-belts have almost no slack when the sensors detect that the seat-belt has been rapidly expanded. This is done so to hold you in place and prevent you from slamming against the seat-belt if you have a collision at high speeds.
7 0
3 years ago
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