A pulse displays all wave characteristics except: Ofrequency
amplitude
velocity
energy

Alead ball is dropped into a lake from a diving board 5m above the water . it hits the water with a certain velocity and then sink with constant velocity in bottom . it reaches the bottom 5 second after it is dropped if g= 10m/s2 . find depth of the lake and average velocity of the ball ?

Which of the following bonds would be most polar? a. c-i b. c-br c. c-cl d. c-f e. c-o

What would be the radius of the earth if it had its actual mass but had the density of nuclei? express your answer to two significant figures and include the appropriate units.