Ahockey player hits a puck along the ice, giving it an initial speed of 3.3 meters per second. if there is no friction between the puck and the ice, what will the puck's speed be after 1.6 seconds? a. 3.3 meters per second b. 5.28 meters per second c. 4.9 meters per second d. 1.0 meters per second

Wind or electric energy force force of friction

W= fd
where f is an applied force and d is the distance over which it is applied. when a parachuting skydiver is at constant velocity, he is experiencing "terminal velocity", the point at which his acceleration down is canceled out by air resistance. that means that the resisting force of the air is equal to his weight, but in the opposite direction. with this, we can solve for the work done by the force.
w = fd
w = (92.0)(9.81 m/s^2) (325)
w= 2.93 x 10^5 j
the value for work in this case is positive because it is pushing up on the skydiver, who has a downward force of gravity.
therefore the answer is 2.93 x 10^5 j