The type of radio wave that produces the least static in a radio receiver is
A) AM.
B) FM.
C) neither of these
Answer: B
You might also like to view...
The Oort cloud is filled with stony-iron meteorites
Indicate whether the statement is true or false
Consider the star to which the arrow points. How is it currently generating energy?
A) by core hydrogen fusion B) by hydrogen shell burning around an inert helium core C) by gravitational contraction D) by core helium fusion combined with hydrogen shell burning E) by both hydrogen and helium shell burning around an inert carbon core
A 1 500-kg experimental rocket sled at rest on level frictionless rails is loaded with 55.0 kg of propellant. It exhausts the propellant in a 20-s "burn." The rocket moves at 155 m/s after the burn. What average force is experienced by the rocket during the burn?
a. 4.26E+2 N b. 1.16E+4 N c. 1.21E+4 N d. 1.94E+2 N e. 2.33E+5 N
You are standing in a moving bus, facing forward, and you suddenly move forward as the bus comes to an immediate stop. What force caused you to move forward?
A) force of gravity B) normal force due to your contact with the floor of the bus C) force due to static friction between you and the floor of the bus D) force due to kinetic friction between you and the floor of the bus E) no forces were responsible for your fall.