Two busses leave Billings at the same time. The Seattle bus heads west on I-90 at a speed of 73 miles per hour while the Chicago
2 answers:
Answer:
After 3.5 hours buses will be 532 miles apart.
Step-by-step explanation:
Here one bus is moving west and other is moving east. That is they are moving in opposite direction.
Velocity of Seattle bus = 73 miles per hour west
Velocity of Chicago bus = 79 miles per hour east
Relative velocity = 73 + 79 = 152 miles per hour
We need to find time for which for their separation 532 miles.
Time,
After 3.5 hours buses will be 532 miles apart
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a plane is 2 dimentional and extends indefinitely
it goes left and right and up and down
think of it like this
you have a piece of paper with no height
you draw a line starting at a point on the paper and it goes infinitely in the other direction
the paper is a plane, the line on it that has a starting point is the ray
a ray is 1 dimentional, it only goes one direction, left and right
a plane is 2 dimentional and extends indefinitely
it goes left and right and up and down
think of it like this
you have a piece of paper with no height
you draw a line starting at a point on the paper and it goes infinitely in the other direction
the paper is a plane, the line on it that has a starting point is the ray
See image below it keeps going
