A boat crosses a 60 meter river with a current of 0.9 m/s. The boat can travel 1.4 m/s in still water. The boat points it bow (front) 30o upstream into the current.. A. Determine the X &Y components of the boat’s velocity.
B. How long will it take the boat to cross the river?
C. Where will the boat reach the other side of the river relative to the boats point of origin?
D. What is the relative magnitude and direction of the velocity of the boat from its point of origin?

Rubber on floor tile has a coefficient of kinetic friction of 1.0 and a coefficient of static friction of 2.0. how much force would a 3.5 lb. robot need to produce in order to start moving?

Choose the most likely outcome of this scenario: jen decided to go bike riding without a helmet. while no one is around during her ride, she is thrown from her bike when her wheel goes into a pothole. she is not injured, but she is terrified to get back on her bike. what happens next? a. her physical health is affected even though she wasn't hurt. b. her mental and emotional health are affected because she is afraid to get back on her bike. c. her social health is affected because she is worried her friends saw the fall. d. her overall health is not affected at all by her fall.

In a heat engine if 1000 j of heat enters the system the piston does 500 j of work, what is the final internal energy of the system if the initial energy was 2000 j? 1. write the equation 2.list out your known variables 3.plug the numbers into the equations 4.solve 5.write your solution statement that includes initial energy and final