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borishaifa [10]
3 years ago
14

Why do we add the masses together after that inelastic collision?

Physics
1 answer:
fomenos3 years ago
5 0

Answer:An inelastic collision is one in which the internal kinetic energy changes (it is not conserved). A collision in which the objects stick together is sometimes called perfectly inelastic because it reduces internal kinetic energy more than does any other type of inelastic collision.People sometimes think that objects must stick together in an inelastic collision. However, objects only stick together during a perfectly inelastic collision. Objects may also bounce off each other or explode apart, and the collision is still considered inelastic as long as kinetic energy is not conserved.

hope this helps have a nice day❤️

Explanation:

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What is the main difference between a theory and a law?
Cerrena [4.2K]

Answer:

A hypothesis is a limited explanation of a phenomenon; a scientific theory is an in-depth explanation of the observed phenomenon. A law is a statement about an observed phenomenon or a unifying concept

Explanation:

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3 years ago
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Your average speed on the first half of a car trip is 69.0 km/h. How fast do you have to drive on the second half of the trip to
vova2212 [387]

Answer:

13 km/h

Explanation:

Average speed = distance/time

Let the total distance and total time taken for the whole trip be d km and t hours respectively

Average speed for the whole trip = 82 km/h

d = 82t

The distance covered in the first half = d1/2

Time taken = t/2

Average speed = 69 km/h

69 = d1/2 ÷ t/2

d1 = 69t

The distance covered in the second half = d2/2

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Let the average sly for the see half be A

A = d2/2 ÷ t/2

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d = d1 + d2

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At = 82t - 69t

At = 13t

A = 13t/t = 13 km/h

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4 years ago
How do Air molecules enable sound to travel from a radios speaker to your ears?
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A 0.500-kg mass suspended from a spring oscillates with a period of 1.18 s. How much mass must be added to the object to change
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Answer:

<em> The add mass = 5.465 kg</em>

Explanation:

Note: Since the spring is the same, the length and Tension are constant.

f ∝ √(1/m)........................ Equation 1  (length and Tension are constant.)

Where f = frequency, m = mass of the spring.

But f = 1/T ..................... Equation 2

Substituting Equation 2 into equation 1.

1/T ∝ √(1/m)

Therefore,

T ∝ √(m)

Therefore,

T₁/√m₁ = k

where k = Constant of proportionality.

T₁/√m₁ = T₂/√m₂ ........................ Equation 3

making m₂ the subject of the equation

m₂ = T₂²(m₁)/T₁²........................... Equation 4

Where T₁ = initial, m₁ = initial mass, T₂ = final period, m₂ = final mass.

<em>Given: T₁ = 1.18 s m₁ = 0.50 kg, T₂ = 2.07 s.</em>

<em>Substituting into equation 4</em>

<em>m₂ = (2.07)²(0.5)/(1.18)²</em>

<em>m₂ = 4.285(1.392)</em>

<em>m₂ = 5.965 kg.</em>

Added mass = m₂ - m₁

Added mass = 5.965 - 0.5

Added mass = 5.465 kg.

<em>Thus the add mass = 5.465 kg</em>

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Answer:

What do you mean?

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