Which of these markings/placards is not acceptable for use on a bulk package of petroleum gases, liquefied?
a) image 1
b) image 2
c) image 3
d) image 4

Which changes of state do the labels represent? a: b: c:

Abike rider starts from rest and accelerates 28.0 meters down a slope in 5.00 seconds. what is her acceleration? select one: a. 3.21 m/sec2 b. 1.75 m/sec2 c. 9.80 m/sec2 d. 2.24 m/sec2

What is the increase in density of a medium due to wave travel?