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yawa3891 [41]
3 years ago
12

Suppose that it takes 0.6 seconds for a mass on a spring to move from its highest position to its lowest position. What is the p

eriod of the spring?
Physics
1 answer:
o-na [289]3 years ago
6 0
The mass on the spring is bouncing. 

We would call it a wave-like motion, except that it all stays in the same place.  But, just like a wave, moving from the highest position to the lowest position
is one-half of a full wiggle. 

(The other half consists of moving from the lowest position back up to the
highest position, where it started from. 

So, half of the wave-like motion takes 0.6 seconds. 

A full cycle of the wave motion ... the actual period of the bounce,
is double that much time . . .
                                                   1.2 seconds.
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Answer: You do not specify what is being asked for. ∆E? ∆H?

∆E = (430 - 238) J = 192 J

∆H = 430 J

Explanation:

If asked for the value of ∆H the answer is simply the change in heat, and in the question, it states introduction of 430 J of heat is causing the system to expand.

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If asked for ∆E, we know that ∆E = ±q (heat) + work (-P∆V) = ±q + w

The question states that 238 J of work are done AND the system expanded

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Therefore, ∆E = (430 - 238) J = 192 J

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