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Elan Coil [88]
4 years ago
11

I need help!!! this is for my physics class.​

Physics
1 answer:
Evgesh-ka [11]4 years ago
4 0

Answer:

F=a×m

Explanation:

then first question

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Which of the following describes a CHEMICAL PROPERTY? *
elena-s [515]
The answer is c or b because a chemical property reacts with oxygen  and it can be boil at 00 degrees Celsius but it can float in water so the answer is b,c,d,e.
3 0
4 years ago
Energy is required to produce a chemical change during:.
pentagon [3]

Answer:

Electrolysis.

7 0
3 years ago
What is the difference between transverse and longitudinal waves?
Fed [463]

To explain how transverse and longitudinal waves work, let us give two examples for each particular case.

In the case of transverse waves, the displacement of the medium is PERPENDICULAR to the direction of the wave. One way to visualize this effect is when you have a rope and between two people the rope is shaken horizontally. The shift is done from top to bottom. This phenomenon is common to see it in solids but rarely in liquids and gases. A common application usually occurs in electromagnetic radiation.

On the other hand in the longitudinal waves the displacement of the medium is PARALLEL to the direction of propagation of the wave. A clear example of this phenomenon is when a Slinky is pushed along a table where each of the rings will also move. From practice, sound waves enclose the definition of longitudinal wave displacement.

Therefore the correct answer is:

C. In transverse waves the displacement is perpendicular to the direction of propagation of the wave, while in longitudinal waves the displacement is parallel to the direction of propagation.

8 0
4 years ago
An object moves with a positive acceleration. Could the object be moving with increasing speed, decreasing speed or constant spe
Masja [62]

Answer:

Increasing speed.

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In physics, acceleration can be defined as the rate of change of the velocity of an object with respect to time.

This simply means that, acceleration is given by the subtraction of initial velocity from the final velocity all over time.

Hence, if we subtract the initial velocity from the final velocity and divide that by the time, we can calculate an object’s acceleration.

Mathematically, acceleration is given by the equation;

Acceleration (a) = \frac{final \; velocity  -  initial \; velocity}{time}

In this scenario, an object moves with a positive acceleration. Thus, the object is moving with an increasing speed and as such it has acceleration in the same direction as its velocity with respect to time.

3 0
3 years ago
Witch of the following is not an appropriate unit for power
erica [24]

There are no appropriate units for power on the list you provided

6 0
3 years ago
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