The efficiency of a light bulb is the ratio of the:
a. heat plus electricity produced to the electrical input
b. voltage output of the bulb to the power input
c. energy into the bulb to the energy out of the bulb
d. light output to the electrical energy input
Question 2
A carnival Ferris wheel has a 15-m radius and completes five turns about its horizontal axis every minute. What is the acceleration of a passenger at his lowest point during the ride?
a. 5.7 m/s2 downward
b. 4.1 m/s2 upward
c. 14 m/s2 downward
d. 4.1 m/s2 downward
e. 19 m/s2 downward
Nitrogenous wastes produced by different animal groups.
The patient is undergoing an allergy skin test by receiving subdermal inoculations of allergens. Inf
Absorption of ultraviolet light by aromatic amino acids
Apply compression and light effleurage techniques to the foot and ankle to warm the area.
Absorption spectra and light energy
The surface temperature of the star is 6000 K. At what wavelength is its light output a maximum