# Question

A boat that travels at a speed of 6.75 m/s in still water is to go directly across a river and back (Fig. 3.38). The current flows at 0.50 m/s.

(a) At what angle(s) must the boat be steered?

(b) How long does it take to make the round trip? (Assume that the boat’s speed is constant at all times, and neglect turnaround time.)

(a) At what angle(s) must the boat be steered?

(b) How long does it take to make the round trip? (Assume that the boat’s speed is constant at all times, and neglect turnaround time.)

## Answer to relevant Questions

A pouring rain comes straight down with a raindrop speed of 6.0 m/s. A woman with an umbrella walks east-ward at a brisk clip of 1.5 m/s to get home. At what angle should she tilt her umbrella to get the maximum protection ...An observer by the side of a straight, level, north-south road watches a car (A) Moving south at a rate of 75 km/h. A driver in another car (B) Going north at 50 km/h also observes car A. (a) What is car A’s velocity as ...A sailboat is traveling due north at 2.40 m/s on a calm lake with no noticeable water currents. From the crow’s nest at the top of its 10.0-m-high mast, one of the passengers drops her digital camera. (a) Make a sketch of ...A net force of 4.0 N gives an object an acceleration of 10 m/s2. What is the mass of the object? A 55-kg gymnast hangs vertically from a pair of parallel rings. (a) If the ropes supporting the rings are attached to the ceiling directly above, what is the tension in each rope? (b) If the ropes are supported so that ...Post your question

0