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satela [25.4K]
3 years ago
6

Consider a simple harmonic oscillator made from a block of mass m attached to a ng constant k. What changes could you make that

would double its maximum speed. By how much would this change increase its energy?
Physics
1 answer:
faust18 [17]3 years ago
8 0

Answer:

energy would become four times

Explanation:

Kinetic energy K= 0.5mv^2

⇒v=\sqrt{\frac{2m}{K} }

now, v'= 2v

2v=v'=2\sqrt{\frac{2m}{K} }

v'=\sqrt{\frac{2\times4E}{m} }

hence, speed can be doubled by four folding the energy or by decreasing mass to one fourth.

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A car brakes from 25 m/s to 16 m/s in 2.0s. what is its acceleration?<br>​
Mars2501 [29]
Acceleration = (16-25) / 2 = - 4.5 m/s^2
3 0
3 years ago
Which is a possible measurement of the momentum of a moving object?
Delvig [45]

Momentum is a vector, although we don't hammer on that.  In order to completely describe a momentum, you need a magnitude AND a direction ... just like force and velocity.

So choice #2 is the magnitude of a momentum, without its direction.

<em>Choice #3</em> is  the full package, with both the magnitude and the direction.

Choice #1 has units of energy, and choice #4 has units of acceleration, so neither of those can be it.

8 0
4 years ago
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ioda
What question are you asking?
4 0
3 years ago
A damped harmonic oscillator consists of a mass on a spring, with a small damping force that is proportional to the speed of the
exis [7]

Answer:

2.19 N/m

Explanation:

A damped harmonic oscillator is formed by a mass in the spring, and it does a harmonic simple movement. The period of it is the time that it does one cycle, and it can be calculated by:

T = 2π√(m/K)

Where T is the period, m is the mass (in kg), and K is the damping constant. So:

2.4 = 2π√(0.320/K)

√(0.320/K) = 2.4/2π

√(0.320/K) = 0.38197

(√(0.320/K))² = (0.38197)²

0.320/K = 0.1459

K = 2.19 N/m

4 0
4 years ago
Mirrors produce images by doing which of the following to light?
Gemiola [76]

Answer: C

Reflection

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If the light ray is absorbed, no image will be produced.

4 0
3 years ago
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