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3 years ago

8

If a person is planning to take a mixture of milk, cream and sugar and make it into ice cream do you expect the person to add or

remove heat energy

1 answer:

RideAnS [48]3 years ago

6 0

Remove (as he is going to put this mix into freezer)

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3 years ago

Which of the following is true about resistivity of any given metal? depends on its temperature. varies nearly linearly with tem

ElenaW [278]

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2 years ago

4-08 t 1 - / S P = 1 / P = S 1 S= P Def. of Speed

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2 years ago

Would a pair of scissors with really long blades and a short handle be practical? Why or why not?

Lana71 [14]

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3 years ago

A vertical spring stretches 3.4 cm when a 12-g object is hung from it. The object is replaced with a block of mass 26 g that osc

Mariulka [41]

Answer:

Period of motion is approximately 0.5447 seconds

Explanation:

We start by calculating the constant "k" of the spring which can be derived from the fact that an object of mass 12 g produced a stretch of 3.4 cm: (we write everything in SI units)

F = k * x

0.012 kg * 9.8 m/s^2 = k 0.034 m

k = 0.012 kg * 9.8 m/s^2 / (0.034 m)

k = 3.46 N/m

now we use the formula for the period (T) of a spring of constant k with a hanging mass 'm':

$T=2\pi\,\sqrt{\frac{m}{k} }$

which in our case becomes:

$T=2\pi\,\sqrt{\frac{0.026}{3.46} } \approx 0.5447\,\,sec$

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3 years ago