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4 years ago

All of the following are properties of a metal except

Physics

2 answers:

zzz [600]4 years ago

7 0

The answer is c, <span>generally have low melting points, because that is wrong.</span>

Pachacha [2.7K]4 years ago

6 0

Metals have all the properties described in option except having low melting points 'cause they have high melting points.

In short, Your Answer would be Option C

Hope this helps!

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Jimmy is standing 300 feet away from a rocket that is being shot up into the air away from him at an angle of elevation of 70 de

ira [324]

Answer: Vertical height of rocket is 824.24ft

Explanation: see attachment.

Opp/ Adj = Tan 70°

h/ 300 = Tan 70°

h= 300tan 70°

h = 824.24ft

4 0

3 years ago

You're having a hard time pushing a refrigerator across the kitchen floor. The force of your own push is 993 N. The force of fri

Helen [10]

Answer:

The acceleration of the refrigerator is $a= 0.056 ms^{-2}$

Explanation:

The expression of the equation of the net force acting on the refrigerator is as follows;

F-f= ma

Here, F is the applied force, f is the force of friction, m is the mass and a is the acceleration.

It is given in the problem that you're having a hard time pushing a refrigerator having mass 355 kg across the kitchen floor. The force of your own push is 993 N. The force of friction opposing your own push is 973 N.

Put F= 993, f= 973 N and m = 355 kg in the above expression of the equation to calculate the acceleration of the refrigerator.

993 - 973 = (355)a

20 = 355 a

$a= 0.056 ms^{-2}$

Therefore, the acceleration of the refrigerator is $a= 0.056 ms^{-2}$ .

6 0

3 years ago

DNA molecules store genetic information and allow for self-replicating life. Molecules of DNA can be long and very complex. They

Anika [276]

The answer would be C., Organic Molecule.

5 0

3 years ago

Read 2 more answers

Explain the difference between speed and vilocity?

Zolol [24]

Answer:

The short answer is that velocity is the speed with a direction, while speed does not have a direction.

Explanation:

Speed is how fast an object is moving. It is calculated by the displacement of space per a unit of time. Velocity is the rate at which an object changes position in a certain direction. It is calculated by the displacement of space per a unit of time in a certain direction. Velocity deals with direction, while speed does not.

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3 years ago

Trong thực nghiệm nhiễu xạ qua 1 khe hẹp, bề rộng khe là 2.10-5 m, màn quan sát đặt cách khe 0,5 m. Chiếu ánh sáng có bước sóng

satela [25.4K]

Answer:

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Explanation:

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3 years ago