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otez555 [7]
3 years ago
14

1. ability to cause change * Pick One PLEASE HELP ME

Physics
2 answers:
kkurt [141]3 years ago
8 0

Answer:

electromagnetic wave  i think

Explanation:

Scrat [10]3 years ago
4 0

Answer:

rarefaction

Explanation:

diminution in the density of something, especially air or a gas.

"opposed processes such as rarefaction and condensation"

MEDICINE

the lessening of density of tissue, especially of nervous tissue or bone.

"the cord has undergone rarefaction"

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A race car reaches the finish line and the driver slows down to come to a stop. If it takes the car 10 seconds to stop at a cons
boyakko [2]

Answer:

53.64 m/s

Explanation:

Applying,

a = (v-u)/t............. Equation 1

Where a = acceleration of the car, v = final velocity of the car, u = initial velocity of the car, t = time.

make u the subject of the equation

u = v-at............. Equation 2

From the question,

Given: a = -12 mph/s = -5.364 m/s², t = 10 seconds, v = 0 m/s (comes to stop)

Substitute these values into equation 2

u = 0-(-5.364×10)

u = 0+53.64

u = 53.64 m/s

6 0
3 years ago
Question in pic.. thanks!
11Alexandr11 [23.1K]

That's false. Displacement would be (r2 - r1) .

3 0
3 years ago
An electromagnetic wave is propagating in the positive x direction. at a given moment in time, the magnetic field at the origin
antiseptic1488 [7]

Since in an electromagnetic wave the electric and magnetic fields are perpendicular to each other and perpendicular to the direction of motion, the electric field has to point in the z direction.

6 0
3 years ago
Read 2 more answers
How does the electrostatic force compare with the strong nuclear force in the
diamong [38]

Answer:

Strong nuclear force is 1-2 order of magnitude larger than the electrostatic force

Explanation:

There are mainly two forces acting between protons and neutrons in the nucleus:

- The electrostatic force, which is the force exerted between charged particles (therefore, it is exerted between protons only, since neutrons are not charged). The magnitude of the force is given by

F_E=\frac{kq_1 q_2}{r^2}

where k is the Coulomb's constant, q1 and q2 are the  charges of the two particles, r is the separation between the particles.

The force is attractive for two opposite charges and repulsive for two same charges: therefore, the electrostatic force between two protons is repulsive.

- The strong nuclear force, which is the force exerted between nucleons. At short distance (such as in the nucleus), it is attractive, therefore neutrons and protons attract each other and this contributes in keeping the whole nucleus together.

At the scale involved in the nucleus, the strong nuclear force (attractive) is 1-2 order of magnitude larger than the electrostatic force (repulsive), therefore the nucleus stays together and does not break apart.

3 0
3 years ago
Read 2 more answers
3. A car travelling at 20. m/s stops in a distance of 40. m. What is its
KIM [24]

Answer:

It was a joke i was getting the answer

Explanation:

Be percent karen

4 0
3 years ago
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