2 years ago

If two objects have different tempters, in which direction will heat move? for how long

1 answer:

4 0

The heat will always move to the cooler object. This transfer will happen until both objects have the same temperature (thermal equilibrium).

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Which statements did both Aristotle and Ptolemy assume? Check all that apply.

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Bodies in space traveled in circles.

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Light shined through a single slit will produce a diffraction pattern. Green light (565 nm) is shined on a slit with width 0.210

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Answer:(a)9.685 mm

(b)4.184 mm

Explanation:

Given

Wavelength of light $(\lambda )=565nm \approx 565\times 10^{-9}m$

Width of slit(b)=0.210

(a)Width of central maximum located 1.80m from slit

$=\frac{2\lambda L}{b}$

$=\frac{2\times 565\times 10^{-9}\times 1.8}{0.210\times 10^{-3}}$

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(b)Width of the first order bright fringe

$Y_1=\frac{\lambda \times L}{b}$

$Y_1=\frac{565\times 10^{-9}\times 1.8}{0.210\times 10^{-3}}$

$Y_1=4.84mm$

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3 years ago

Makenna surveyed 48 of her female classmates to determine the number of stores each one visited before purchasing a dress for th

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48/4 = 12

the answer is 12

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When 525 J of heat is added to 7.6 g of metal at 26°C, the temperature increases to 80°C. What is the specific heat of the metal

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Ans the answer is 0.25J

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3 years ago

What would happen if a proton were added to the nucleus of the atom? (Check all that apply)

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If a proton were added to the nucleus of an atom . . .

-- It would become a different atom (an atom of a different element) .

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