A = 250 m wide river flows with a uniform speed of = 4.0 m…
A = 250 m wide river flows with a uniform speed of = 4.0 m/s toward the east. I take off from the south bank in a boat that moves at = 6.0 m/s with respect to the water to arrive at point on the north bank directly north of my launch. How long did it take for my boat to make the journey?
Read DetailsSuppose you are talking by interplanetary telephone to a fri…
Suppose you are talking by interplanetary telephone to a friend, who lives on the Moon. He tells you that he has just won a kilogram of gold in a contest. Excitedly, you tell him that you entered the Earth version of the same contest and also won a kilogram of gold! Who is richer?
Read DetailsYou would like to leave Boca Raton at rest to go to Miami an…
You would like to leave Boca Raton at rest to go to Miami and stop, a distance of 100 km. If you could accelerate at for half of your trip and decelerate at for the other half of your trip, how long would it take you to make this trip?
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