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2 years ago

When do we say a body has goined heat

Physics

1 answer:

svetoff [14.1K]2 years ago

3 0

Answer:

your mom and mark me brainlyist if I was right

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What single property was the most important in Jesseca’s material?

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Jesseca wanted to create a material that reflected most of the light that fell on it.

Explanation:

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Friction depends on the types of surfaces involved and how hard the surfaces push together. Please select the best answer from t

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True: Friction depends on the types of surfaces involved and how hard the surfaces push together.

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2 years ago

Through what vertical height is a 50 N object moved if 250 J of work is done lifting it against the gravitational field of Earth

zimovet [89]

Explanation:

Given parameters:

Weight of object = 50N

Work done in lifting object = 250J

Unknown:

Vertical height = ?

Solution:

The work done on an object is the force applied to lift a body in a specific direction.

Work done = force x distance

Weight is a force in the presence of gravity;

Work done = weight x height of lifting

Height of lifting = $\frac{work done }{weight}$

Height of lifting = $\frac{250}{50}$ = 5m

The vertical height through which the object was lifted is 5m

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6 0

2 years ago

PLS SOMEONE HELP QUICK

SVETLANKA909090 [29]

Answer:

the rates of rock formation are similar. i could be wrong tho.....

Explanation:

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2 years ago

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A typical wall outlet voltage is 120 volts in the United States. Personal MP3 players require much smaller voltages, typically 2

butalik [34]

Answer:

Number of turns in secondary will be 7

Explanation:

We have given primary voltage $V_p=120volt$

Number of turns in the primary is $N_p=3575$

Secondary voltage is given $V_s=235mV=0.235volt$

We have to find the number of turns in secondary

We know that $\frac{N_p}{N_s}=\frac{V_p}{V_s}$

So $\frac{3575}{N_s}=\frac{120}{0.235}$

$N_s=6.60$

As the number of turns can not be in decimal so number of turns will be 7

6 0

3 years ago

When do we say a body has goined heat​

When do we say a body has goined heat