Multiple Choice
You want to swim straight across a river that is wide.You find that you can do this if you swim at an angle of θ = 28° from the upstream direction at a constant rate of
relative to the water.At what rate does the river flow? The angle θ is measured from the river bank (directly upstream is
while directly across the river is
A) 1.3 m/s
B) 0.70 m/s
C) 1.6 m/s
D) 1.8 m/s
Correct Answer:

Verified
Correct Answer:
Verified
Q6: An object moves in a circle of
Q7: For general projectile motion,when the projectile is
Q8: Shown below are the velocity and acceleration
Q9: What is the maximum distance we can
Q10: For an object in uniform circular motion,its
Q12: A ball is tied to the end
Q13: An airplane flies between two points on
Q14: If you set the cruise control of
Q15: A cart is moving with a constant
Q16: Point P in the figure indicates the