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3 years ago

6

Two blocks of ice are at rest on a smooth frozen lake. one block is 3 times the mass of the other block. a man pushes each block

the same distance, d meters with an equal force. compared to the speed of the heavier block, how fast does the light block move?

1 answer:

Julli [10]3 years ago

4 0

The light block would move three times as fast.

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What would be the resulting charge of carbon (C) after this element loses four electrons?

Sladkaya [172]

Answer:

Carbon will become positively charged.

The charge of Carbon will be +4.

Explanation:

The charge of Carbon will be +4.

In the periodic table, elements that give out or lose electrons during electrochemical combinations are called electropositive elements. If carbon loses electrons during the chemical combination, Carbon will become positively charged, with a valency equal to the number of electrons that it lost.

This will make carbon have a charge of +4

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3 years ago

A scuba tank, when fully submerged, displaces 16.7 L of seawater. The tank itself has a mass of 13.4 kg and, when "full," contai

meriva

Answer:

$m = 17.87 kg$

Explanation:

As we know that tank itself has mass given as 13.4 kg

so it is given as

$m_1 = 13.4 kg$

also the tank contains air in it and the mass of air inside the tank is also given as 4.47 kg

so it is

$m_2 = 4.47 kg$

so total mass of the tank is the mass of the empty tank and mass of air in the tank

$m = m_1 + m_2$

$m = 13.4 + 4.47$

$m = 17.87 kg$

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3 years ago

What happens to a light if the switch is turned off in the circuit?

lukranit [14]

In a parallel circuit nothing happens. All the other lights stay on but if it was a series circuit ALL the lights would turn off at one time.

If there is an ABCD question I can answer that but I wasn't sure so I just said this

Hope it is helpful :)

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3 years ago

If the period of a spring is 5 seconds what is the frequency

Scilla [17]

Answer:

C. 0.2 Hertz

Explanation:

The frequency of a spring is equal to the reciprocal of the period:

$f=\frac{1}{T}$

where

f is the frequency

T is the period

For the spring in this problem,

T = 5 s

therefore, the frequency is

$f=\frac{1}{5 s}=0.2 Hz$

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4 years ago

Where do estuaries form?

vekshin1

Answer:

An estuary is the area where a river meets the sea or ocean, where fresh water from the river meets salt water from the sea.

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3 years ago

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