PHYSICS HIGH SCHOOL

The acceleration of an object increases by the force applied to it and decreases based on it's mass.

Answers

Answer 1
Answer:

Explanation:

Force is defined as mass times acceleration.

Mathematically,          F = m × a

where             F = force

                       m = mass

                       a = acceleration

This shows that force is directly proportional to acceleration. So, when greater force is applied then acceleration will also increase.

Whereas acceleration is inversely proportional to mass. So, when there is increase in mass then there will be decrease in acceleration.

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Who Can Help ? Much Love If You Can .Select all that apply.
A convex lens _____.

converges light
bulges in the middle
diverges light
is thinner in the middle

Answers

Answer:

Options C and the D are the correct answer.

Explanation:

There are two types of lenses: concave lenses and convex lenses. A convex lens is thinner in the middle. On the other hand, convex lenses are also called diverging lens because after the light passes through it, the ray light spreads out. Due to this, diverges light and is thinner in the middle are the correct answer.
converges light to a focal point.

A current carrying wire wrapped around an iron ore is called a(n) ____. generator

conductor

transformer

electromagnet

Answers

I believe the correct answer from the choices listed above is the last option. A current carrying wire wrapped around an iron ore is called an electromagnet. They are usually consist of a large number of closely spaced turns of wire that create the magnetic field. Hope this answers the question.

Water surface waves are _________.. a. longitudinal and perpendicular waves. b. vertical and horizontal waves. c. transverse and horizontal waves. d. longitudinal and transverse waves

Answers

Water surface waves are examples of waves that are both longitudinal and transverse waves. As the wave travels through the water, a clockwise circles is observed. Therefore, the answer to this item is letter D. All the rest of the choices do not describe the water surface waves. 

Short answerYou are provided a 20-mL solution of methanol and water.
a. Name the technique that you would use to separate and identify the components of the solution.
b. Provide specific details of the method used.
c. State the advantage of the method you choose.

Answers

a. you can separate the components through chromatographic techniques (GC or HPLC). The advatage of using a high-tech chromatography equipment is the simultaneous separation - contents analysis. 

b. chromatography is an affinity based separation which means using specific adsorbents, it can separate the component with a higher affinity to the adsorbents.

c. the advantage of which is the precision as well as the simultaneous separation and contents analysis.

Which of these are terrestrial planets? Select all that apply.a. Mars
b. Earth
c. Venus
d. Jupiter E. Mercury F. Neptune

Answers

The answers to the question above would be letters a, b, c, and d. The terrestrial planets are those that are close to the sun, namely, Mercury, Venus, Earth, and Mars. The others are known as the gas giants since they have a thick atmosphere and are considerably cold.

Answer:

a. Mars

b. Earth

c. Venus

Explanation:

Terrestrial planets are defined as planets which are formed by silicate. An important characteristic is that these planets have a solid surface. On the other hand, there are gaseous planets, which are bigger and more separated of the Sun.

In our Solar system, there are 4 terrestrial planets, which are Mercury, Venus, Earth, and Mars. Notice that they are the inner planets of the system.

So, in this case, the right chice is a. Mars, b. Earth and c. Venus. All three are terrestrial planets, that is, they have a rock solid surface.

A current of 120 mA flows past a point in a circuit for 25 s. How much charge passes the point in this time?
How many electrons pass the point in this time?

Answers

a) I = 120 mA = 120 x 10^(-3) A = 0.12
A = 0.12 C/s ... [b/c 1 A = 1 C/s]
t = 25 s
I = Q/t
Q = It
Q = 0.12 * 25 = 3 C
so 3C of charge passes the point during the
25 s interval
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