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OLga [1]
2 years ago
13

An object has 22.4 kg•m/s of

Physics
2 answers:
Bad White [126]2 years ago
5 0

Answer:

22.4\:\mathrm{kg\cdot m/s}

Explanation:

Momentum is given by p=mv.

Let p_1 be the initial momentum of the object:

p_1=m\cdot v=22.4

If we doubled the mass, the new mass would be 2\cdot m, and if we halved the velocity, the new velocity would be \frac{1}{2}\cdot v.

Therefore, the final momentum would be:

p_f=2\cdot m\cdot \frac{1}{2}\cdot v=m\cdot v=\fbox{$22.4\:\mathrm{kg\cdot m/s}$}..

SSSSS [86.1K]2 years ago
4 0

Answer:

the answer is 22.4 kg*m/s

Explanation:

Such a bizarre unit!

Acellus is cool. I receive and share knowledge almost every day.

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The half-life of the reaction gets shorter as the initial concentration is increased. True or False
Art [367]

True

The half-life isn’t applicable to a first order reaction because it does not rely on the concentration of reactant present. However the 2nd order reaction is dependent on the concentration of the reactant present.

The relationship between the half life and the reactant is an inverse one.

The half life is usually reduced or shortened with an increase in the concentration and vice versa.

3 0
3 years ago
The more light bulbs you add to a series circuit, the _______ the lights will become.
Virty [35]

Answer:

brighter

Explanation:

the more light bulbs you add to a series of circuits, the brighter the room will be.

7 0
2 years ago
Read 2 more answers
Bird bones have air pockets in them to reduce their weight. This also gives them an average density significantly less than that
mixas84 [53]

Answer:

mas of water displaced = 41.4 g

Explanation:

Weight in air = True weight = 45 g

Apparent weight = 3.6 g

Apparent weight = True weight - Buoyant force

Buoyant force = 45 g - 3.6 g = 41.4 g

Weight of water displaced = Buoyant force

Weight of water displaced = 41.4 g dyne

mas of water displaced = 41.4 g

8 0
3 years ago
When a compound, such as salt, dissolves in water, it's said to be:
Lilit [14]

Answer:D:soluble

Explanation:

when a compound such as salt dissolves in water it is said to be soluble

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5 0
4 years ago
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Which actions are evidence that a chemical reaction has occurred? Select five options. a change in color the formation of a prec
vladimir1956 [14]

Answer:

A change in color

The formation of a precipitate

A clear liquid becoming cloudy

The formation of bubbles

The formation of smoke

Explanation:

A chemical reaction can be defined as the conversion of reactant into product. The process in which one or more than one substance is converted into one or many different substances.

There are some indications which can provide the evidence that chemical reaction has occurred.

A change in color of the substance, formation or smoke or bubbles. The formation of the precipitate and in case the substance becomes cloudy.

All these evidences show that chemical reaction has occurred.

8 0
3 years ago
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