The right-hand rule may determine the direction of magnetic force, conventional current, or the magnetic field as long as two of these directions are known. True or False?

Answers

Answer 1

Answer: the statement is true

Answer 2

Answer: The right-hand rule may determine the direction of magnetic force, conventional current, or the magnetic field as long as two of these directions are known. This is TRUE.

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The radius of the planent venus is nearly the same as that of the earth,but its mass is only eighty percent that of the earth. If an object weighs w on the earth,what does it wiegh on venus

Answers

Size, Mass and Orbit:

Whereas Earth has a mean radius of 6,371 km and a mass 5,972,370,000 quadrillion kg, Venus has a mean radius of about 6,052 km and a mass of 4,867,500,000 quadrillion kg. This means that Venus is roughly 0.9499 the size of Earth and 0.815 as massive.Apr 7, 2016

Volume: 10.8321×10 km 9.2843×10 km

Mean Radius: 6,371.0 km 6,051.8 ± 1.0 km

Gravity: 9.8 m/s2 8.87 m/s

The amplitude of a wave is the height of a wave as measured from the highest point on the wave________ to the lowest point on the wave ________.

Answers

Answer:

Crest to the lowest point on the wave trough

Explanation:

The amplitude of the wave is the height of wave as measured from the highest point on the wave that is known as peak or crest to the lowest point on the wave known as trough. Wave length refers to the length of wave from one peak to another but amplitude or height can be determine by measuring the distance from its crest to its trough.

Final answer:

The amplitude of a wave is the maximum distance, or 'height', from the equilibrium position to the crest (highest point) or trough (lowest point) of the wave. This represents maximum displacement of the wave from its rest position.

Explanation:

The amplitude of a wave refers to the distance from the equilibrium or midpoint of the wave (the rest position) to the highest point of the wave known as the crest, or to the lowest point known as the trough. For instance, considering a wave on a graph representing a sound wave, the crest would be the highest peak on the graph and the trough would be the lowest point. We can visually represent this extent as height, but it's actually a measurement of maximum displacement of the wave from equilibrium (rest position). For physical waves, such as sound or light waves, a larger amplitude leads to a louder sound or a brighter light.

Learn more about Amplitude of a Wave here:

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The atomic mass of an element whose atoms consist of seven protons, eight neutrons, and seven electrons is _____?a. 7
b. 14
c. 15
d. 22

Answers

The atomic mass is C. 15

Atomic mass = P + N = 7+8 = 15

The atomic mass of an element is defined as the sum of the protons and neutrons. On the other hand, the atomic number of a neutral element is equivalent to the number of protons or electrons. This is because a neutral element should have equal number of protons and electrons.

Answer:

Explanation:

If you heat soup on a stove, what happens to the movement of the soup’s particles?The particles move slower.

The particles move faster.

There’s no change in the speed of particles.

The particles stop moving.

Answers

The particles of soup heat up more quickly on a burner. Option B is correct.

What is temperature?

Temperature directs to the hotness or coldness of a body. In clear terms, it is the method of finding the kinetic energy of particles within an entity. Faster the motion of particles more the temperature.

The amount of thermal energy or heat produced is directly correlated with the speed of the moving particles. As a result, the soup particle would travel more quickly as it heated.

Hence, option B is correct.

To learn more about the temperature refer to the link;

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We know, that thermal energy is directly proportional to kinetic energy which in turn, is directly proportional to velocity. So, as soup particle would get heated, it's particle move faster.

In short, Your Answer would be Option B

Hope this helps!

A 500 kg compact car and a 1500 kg truck are accelerated equally.which vehicle exerts more force?how many times more?(im guessing the 1500kg truck exerts more force but i don't know how to solve for how many times more)

Answers

The truck doesn't "exert more force".

It TAKES more force to accelerate the truck at the same rate
as the car, because the truck has more mass.

Think:
In order to move two rocks, you have to push harder on the heavy one
than you do on the lighter one.

How much more ?

In order to produce the same acceleration . . .

      half as much mass ===> half as much force

         twice as much mass ===> twice as much force

   ten times as much mass ===> ten times as much force

a 1500-kg truck
   compared to
a 500-kg car . . . triple the mass ===> triple the force, in order
   to accelerate them equally .

Which of these diagrams best represents the steps in the formation of planets? A) The sun is born > The clouds rotate at high speed > The clouds flatten into an elliptical disc > The planets are born
B) The clouds flatten into a disc > The sun is born > The clouds condense > the planets are born
C) The clouds of dust and gases rotate at high speed > The clouds condense > The sun is born > The planets are born
D) The clouds of gases condense > The clouds rotate at high speed > The clouds flatten into an elliptical disc > The planets are born

Answers

Answer:

D) The clouds of gases condense > The clouds rotate at high speed > The clouds flatten into an elliptical disc > The planets are born

Explanation:

Planets are formed from Planetary nebula. The cloud of dust and gases condenses under its own weight. The condensed matter starts rotating at high speeds and gathers more mass. The core forms the star and rest of it eventually flattens into an elliptical disc from which planet is born. Thus, the correct sequence is: D) The clouds of gases condense > The clouds rotate at high speed > The clouds flatten into an elliptical disc > The planets are born.

The right answer for the question that is being asked and shown above is that: "C) The clouds of dust and gases rotate at high speed > The clouds condense > The sun is born > The planets are born " This is the diagram that best represents the steps in the formation of planets

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