Guys help...A spring that obeys Hooke's law, with a spring constant k1, is cut into N identical springs, each with a spring constant k2. Determine the relationship between k1 and k2...

Answers

Answer 1

Answer:

Answer:

K2 = N*K1

Explanation:

The force you apply to each section is the same you apply to the whole spring, but the extension of each section is dX/N (if dX is the extension of the entire spring)

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1)the magnetic field is strongest near_________of a bar magnet.a)the poles b)the center 2)the needle of compass line up with earth magnetic field and point to_________a)earth poles b)earth equator 3)magnetic field lines that curve toward each other show_________a)repulsion b)attraction 4)some animals have tiny pieces of ___________in their brains to help them find their way a)magnetite b)magnetosphere 5)a magnet contain a large number of magnetic _____that are lined up and pointed in the same direction.a)domains b)poles

Under what conditions will light bend?

Answers

Light refracts or bends when it leaves one medium and enters another one (ex. when it goes from air to water; or when it goes from glass to air). This is because the speed of light is different in different materials (light travels in a vacuum at a speed of 3 x 10^8 m/s and is slower in all other mediums). When light slows down (ex. moves from air into water), the light bends towards the normal; when light speeds up (ex. moves from water into air), the light bends away from the normal.

light has a unique property that when it travels from one transparent medium to another transparent medium of different densities it bends and this property is known as refraction
for eg from water to air wherevelocity of light in water is2.25x 10 raised to power 8 m/s and velocity of light in air is3x10 raised power 8 m/s

Which values satisfy the inequality? |z| ≤ 5 Choose all answers that are correct A. z = –6 B. z = –5 C. z = –1 D. z = 8 oops this is actually for math

plz help i will give all i got

Answers

|z|≤5

Solve Absolute Value.

|z|≤5

We know z≤5 and z≥−5

z≤5(Answer 1)

z≥−5(Answer 2)

z≤-1(Answer 3)

The answer is B and C.

What is a dyne? Please help me

Answers

The dyne is the unit of force in a system of units related to SI units.

The SI unit of force is 1 newton = 1 kilogram-meter/sec² .

Using centimeters and grams instead of meters and kilograms,

1 dyne = 1 gram-centimeter/sec² .

1 newton of force = 100,000 dynes of force

The red sphere represents a proton. What is the atomic number of this atom

Answers

The atomic number is the number of protons of the atom.

So, just count the number of red spheres (protons) and that is the atomic number of the atom.

The protons are in the nucleus of the atom. Every single element is formed by a representative number of protons (atomic number).

For example, every hydrogen atom has one proton and its atomic number is one.

Every helium atom has two protons and its atomic number is two.

And so on. This permits you to order the elements in the periodic table in increasing atomic number.

There are no two elements with the same number of protons (atomic number) and all the atoms of a same element have the same number of protons.

The atom is apparently too small for us to see,
so we can't identify it.

If an object is being pulled by two forces, one 4 N to the left and the other 2 N to the right, what is the net force acting on the object?

Answers

Since this object is being pulled by two forces, the net force acting on the object is 2 Newton, to the left.

Let the first force be A.

Let the second force be B.

Given the following data:

Force A = 4 Newton, to the left.

Force A = 2 Newton, to the right.

To find the net force acting on the object:

A net force can be defined as the vector sum of all the forces that are acting on a physical object or body.

This ultimately implies that, a net force is a single (one) force that substitutes the effect of all the forces acting on a physical object or body.

Mathematically, net force is given by the following:

$Net \;force = F_1 + F_2 + F_3 + F_4 + .....F_n$

Where:

F represents each force.

In this scenario, the forces are acting in opposite directions (left and right) and as such, we would subtract the two forces:

$Net\;force = F_A - F_B\n\nNet\;force = 4 - 2$

Net force = 2 Newton, to the left.

Note: The direction is to the left because Force A has more magnitude than Force B, so the object would be pulled to the left.

Answer:

Explanation:

subtract rthe two forces to see which is greater

4-2=2

If a turtle walks at a constant speed of 0.23 m/s, how long will it take to cover a distance of 65 meters?

Answers

Time = (distance) / (speed)

Time = (65 meters) / (0.23 m /s)

Time = (65 / 0.23) sec

Time = 282.6 seconds ( that's 4 minutes 42.6 seconds)

Final answer:

The time it would take a turtle moving with a speed of 0.23 m/s to cover a distance of 65 meters is approximately 282.61 seconds.

Explanation:

The subject of this question is physics, specifically the concept of speed, distance, and time. The formula that relates these three quantities is speed = distance/time.

In this case, we are asked to calculate the time it would take for a turtle moving with a constant speed to cover a certain distance. Here, the given speed (0.23 m/s) of the turtle and the distance it needs to cover (65 meters) are known.

By rearranging the formula to solve for time, we get time = distance / speed. Plugging in the values, we get time = 65 meters / 0.23 m/s. Doing the math gives approximately 282.61 seconds. Thus, it would take the turtle around 283 seconds to cover the distance of 65 meters at a speed of 0.23 m/s.