Making a digital recording of a sound involves
a. analog-to-digital conversion. b. digital-to-analog conversion.
c. electromagnetic waves. d. all of the above.
a
You might also like to view...
Springs: An ideal spring has a spring constant (force constant) of 2500 N/m. is stretched 4.0 cm. How much work is required to stretch the spring by 4.0 cm?
A. 4.0 J B. 0.00 J C. 1.0 J D. 3.0 J E. 2.0 J
A mass src="https://sciemce.com/media/4/6823b3c5c6c7cd8234.png" class="w-image" />?
is connected by a light string that passes over a pulley of mass M to a mass 
sliding on a frictionless horizontal surface as shown in the figure. There is no slippage between the string and the pulley. The pulley has a radius of 25.0 cm and a moment of inertia of 1?2 
If 
is 4.00 kg, 
is 4.00 kg, and M is 4.00 kg, then what is the acceleration of
A. 4.42 
B. 3.92
C. 3.42
D. 3.04
E. 2.96
The water company increased the water pressure in the water flowing to an apartment. The water enters the apartment through an entrance valve at the front of the apartment
Where will the increase in the static water pressure be greatest when no water is flowing in the system? A) at a faucet close to the entrance valve B) at a faucet far from the entrance valve C) It will be the same at all faucets. D) There will be no increase in the pressure at the faucets.
True or False: A photon is reflected from a mirror. Because a photon has zero mass, it does not exert a force on the mirror
1.True 2.False