Heat = m x c x Δθ
2000 = 2 x c x 5
Specific heat c = 200 J / Kg / C
Answer:
C
Explanation:
During investigations a scientist needs to observe, investigate, collect data and put together the information they collect.
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This problem could be solved using this equation:
Diffraction limit = 1.22*wavelength/diameter
diameter = 0.8 cm = 0.008 m
wavelength = 500E-9 m
Diffraction limit = 1.22(500E-9)/0.008
Diffraction limit = 0.00007625
The force the box is exerting on Manuel is the weight of the box, downward:

and this force is perfectly balanced by the constraint reaction applied by Manuel's hand, pushing upward.
The wavelength and frequency of the wave is altered, resulting in a change in the amount of energy carried.