SOLUTION: A bus is traveling north at a speed of 90 kilometers per hour (km/hr). A motorcycle traveling north at a speed of 120 km/hr passes the bus. Which describes what the bus�s moti

Question 846015: A bus is traveling north at a speed of 90 kilometers per hour (km/hr). A motorcycle traveling north at a speed of 120 km/hr passes the bus.
Which describes what the bus�s motion looks like to the driver of the motorcycle?
a. The bus looks like it is moving south at 30 km/hr.
b. The bus looks like it is moving north at 90 km/hr.
c. The bus looks like it is moving north at 120 km/hr.
d, The bus looks like it is moving south at 210 km/hr.
Answer by richwmiller(17219) (Show Source): You can put this solution on YOUR website!
a) To the bus the motorcycle would look like it is traveling 30 km/h north
so the bus would look like it were traveling the same speed in the opposite direction.
b) would be true of the bus if the bike were stationary
c) would be true of the bike if the bus were stationary
d) would be true if they were going in opposite directions.
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