X rays because to see your bones
Answer:
Machine Efficiency
Explanation:
Efficiency is the percent of work put into a machine by the user (input work) that becomes work done by the machine (output work). The output work is always less than the input work because some of the input work is used to overcome friction. Therefore, efficiency is always less than 100 percent
Explanation:
thomas edison and Nikola tesla were involved in the war of currents
Answer:
19320 K
Explanation:
The temperature of a star is related to its peak wavelength by Wien's displacement law:

where
T is the absolute temperature at the star's surface
is Wien's displacement constant
is the peak wavelength
Here we have

Substituting into the equation, we find
