Weegy: C. slightly increase the speed of sound
User: Which of the following situations correctly describes power?
A. Bill pushed a car for 5 minutes for 20-km while doing 15 J of work.
B. Sue does 27 J of work.
C. Maddi exerts a force of 45 N.
D. Alex exerted a force over 46 m.
Weegy: A. Bill pushed a car for 5 minutes for 20-km while doing 15 J of work.
User: Which of the following describes a magnetic field?
A. the area where the magnet is
B. the area where the domains are
C. the area where the magnet is the strongest
D. the area where the magnetic force is exerted
Weegy: D. the area where the magnetic force is exerted
User: The diagram shows two original waves interfering with each other to produce a combined waveform. The two original waves, shown on the left side of the image, are ___________.
A. in phase with each other
B. amplifying each other
C. out of phase with each other
D. nodes of each other
(More)