A train leaves Los Angeles at 2 p. M. Heading north at 50mph. If the next train leaves in three hours, and will also head north at 60mph at what time will they meet?

for this case we have that by definition, the volume of a cylinder is given by:

where:

r: it's the radio

h: it's the height

we have as data that:

substituting:

so, the cylinder volume is

option d