1. 1. If a plane is moving a speed of 200 mile per hour, and then wind is moving at 50 miles per hour in the same direction, what is the actual speed that the plane is moving in?

2. If a boat is being rowed at a speed of 20 miles per hour, and the river is also flowing at 20 miles per hour in the same direction, what is the actual speed that the boat is moving in?

2. Originally Posted by oahz
1. If a plane is moving a speed of 200 mile per hour, and then wind is moving at 50 miles per hour in the same direction, what is the actual speed that the plane is moving in?

2. If a boat is being rowed at a speed of 20 miles per hour, and the river is also flowing at 20 miles per hour in the same direction, what is the actual speed that the boat is moving in?
They're so simple, in fact, that you should be able to do your own homework, yes?

3. Originally Posted by oahz
1. If a plane is moving a speed of 200 mile per hour
Speed relative to what?

Originally Posted by oahz
and then wind is moving at 50 miles per hour in the same direction
Moving relative to what?

Originally Posted by oahz
what is the actual speed that the plane is moving in?
Speed relative to what?

Originally Posted by oahz
2. If a boat is being rowed at a speed of 20 miles per hour
Speed relative to what?

Originally Posted by oahz
and the river is also flowing at 20 miles per hour in the same direction
Flowing relative to what?

Originally Posted by oahz
what is the actual speed that the boat is moving in?
Speed relative to what?

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