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ankoles [38]
3 years ago
12

Reviewing old tests and quizzes will not help you determine what will be on a test because teachers don’t like to give students

hints about what could be on future tests. Please select the best answer from the choices provided T or F
Physics
2 answers:
kifflom [539]3 years ago
5 0

Answer:

False

Explanation:

riadik2000 [5.3K]3 years ago
4 0

Answer:

It is false

Explanation:

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Apply what you know about forces to hypothesize how balanced and unbalanced forces acting on a moving car would affect the motio
rosijanka [135]
If an object<span> has a net </span>force<span> acting on it, it will accelerate. The </span>object<span> will speed up, slow down or change direction. An </span>unbalanced force<span> (net </span>force<span>) acting on an </span>object<span>changes its speed and/or direction of motion. An </span>unbalanced force<span> is an unopposed</span>force<span> that causes a change in motion.
thus the car would get its speed, and or direction mixed up</span>
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3 years ago
Explain two ways of magnetising an object​
Nina [5.8K]

Answer:

There are two methods generally used to magnetize permanent magnets: static magnetization and pulse magnetization.

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3 years ago
What is the frequency of radiation whose wavelength is 0.80 nm ? express the frequency in inverse seconds to three significant d
Mashcka [7]
The relationship between the frequency (f) of an electromagnetic wave, the speed of the wave (which is the speed of light, c) and its wavelength \lambda is given by
f= \frac{c}{\lambda}

Since the wavelength of the radiation in the problem is \lambda= 0.80 nm = 0.80 \cdot 10^{-9} m, by substituting numbers in the formula we  can get the frequency:
f= \frac{3 \cdot 10^8 m/s}{0.80 \cdot 10^{-9} m} =3.75 \cdot 10^{17} s^{-1}
5 0
3 years ago
Suppose a log’s mass is 5 kg. After burning, the mass of the ash is 1 kg. What can you predict has happened to the other 4 kg?
ycow [4]

Answer:

It transformed into ash particles and a slight gaseous state

Explanation:

5 0
3 years ago
What’s Chemical energy
AVprozaik [17]

Answer:

Chemical energy is energy that chemical substance to undergoes a chemical reaction to make a new substance.

Explanation:

<h3>hope this makes sense and helps</h3>
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