Tuesday
July 22, 2014

Homework Help: physics

Posted by Jake on Monday, March 19, 2012 at 9:38pm.

Bob can swim at a rate of 5km/h. He is in a river that is flowing at a rate of 9 km/h.



a) if bob swims upstream, what is his relative velocity to the ground?

b)if bob swims downstream, what is his relative velocity to the ground?

c) Someone decides to help Bob out of the water with a rope. bob swims across the river (perpendicular to the flow of water) in the same direction he's being pulled. The rescuer is pulling at a rate of 3 km/h. What is Bob's relative velocity to the ground?

Answer this Question

First Name:
School Subject:
Answer:

Related Questions

Math - Bob can swim at a rate of 5km/h. He is in a river that is flowing at a ...
Calculus and vectors - Bob can swim at a rate of 5km/h. He is in a river that is...
physics - You want to swim straight across a river that is 76m wide. You find ...
Mechanics M1 - A girl swims across a river. When she swims in still water, she ...
physics - Noah wants to swim across a river 10 m wide, flowing from north to ...
physics - Noah wants to swim across a river 10 m wide, flowing from north to ...
Physics - A river has a steady speed of 0.500 m/s.A student swims upstream a ...
Physic Please help - A river has a steady speed of 0.276 m/s. A student swims ...
Physics - Vanessa can swim 3.0 m/s in still water. While trying to swim ...
Physics - Vanessa can swim 3.0 m/s in still water. While trying to swim ...

Search
Members