I have 1 hour. Please help.

irses/10550/quizzes/60337/take Question 9 4 pts A 40-kg skier starts from rest from the top of a 75-m high slope. If the work done by friction is -4.0 x 10 J, what is the speed of the skier on reaching the bottom of the slope? O 24 m/s 0 37 m/s O 17 m/s 34 m/s Question 10 4 pts A 3.00-kg box of fruit slides 10.0 m down a ramp, inclined at 30.0 from the orizontal. l he box slides at a constant velocity of 5.00 m/s. what is the work done the weight of the box