(7%) Problem 9: Consider a skier heading down a 9.50 slope. Assume the coefficient of friction for waxed wood on wet snow is /k = 0.10 and use a coordinate system in which down the slope is positive. @theexpertta.com - tracki o w- Accordance with Expert TA's Terms of Service. copying this information to any solutions sharing website is strictly forbidden. Doing so may result in termination of your Expert TA Account. 50% Part (a) Calculate the magnitude of the acceleration of the skier in m/s. a = 0.6590 m's- Correct! * 50% Part (b) Find the angle, in degrees, of the slope on which this skier could move down the slope at constant velocity. Grade Summary 0 = Deductions 10% Potential 90% sin( cost tan( 7 9 HOME Submissions cotan() asin( acos( 4 5 6 Attempts remaining: 10 (5% per attempt atan( acotan( sinh( 2 3 detailed view cosh tanh() cotanh() ENI 1 5% O Degrees O Radians BACKSPACE CLEAR 5% Submit Hint Feedback I give up! Hints: 1% deduction per hint. Hints remaining: 3 Feedback: 2% deduction per feedback.(7%) Problem 10: A 79-kg doctor stands on a analog scale in an elevator that accelerates upwards from rest to 11 m/'s in 2.00 s. @theexpertta.com - tracking id: 5188-75-0E-46-BB99-46080. In accordance with Expert TA's Terms of Service. copying this information to any solutions sharing website is strictly forbidden. Doing so may result in termination of your Expert TA Account. Calculate the scale reading, in newtons, during this process (The scale exerts an upward force on him equal to its reading.) Grade Summary F = N Deductions 5% Potential 95% sin( cos() tan() 7 8 9 HOME Submissions cotan( asin() acos() F 4 5 Attempts remaining: 11 atan( acotan() sinh( 1 3 (5% per attempt) detailed view cosh() tanh() cotanh() T END 1 5% O Degrees O Radians NO BACKSPACE DEL CLEAR Submit Hint Feedback I give up! Hints: 1% deduction per hint. Hints remaining: 3 Feedback: 2% deduction per feedback.(7%) Problem 12: A block of mass m = 12.5 kg rests on an inclined plane with a coefficient of static friction of us = 0.18 between the block and the plane. The inclined plane is _ = 6.9 m long and it has a height of h = 3.5 m at its tallest point. L X m h 0 Otheexpertta.com @theexpertta.com - tracking id: 5188-75-0E-46-BB99-46080. In accordance with Expert TA's Terms of Service. copying this information to any solutions sharing website is strictly forbidden. Doing so may result in termination of your Expert TA Account. A 20% Part (a) What angle, @ in degrees, does the plane make with respect to the horizontal? Grade Summary 8 = Deductions 0% Potential 100% sing cos( tan 7 8 9 HOME Submissions cotan( asin( acos() E 4 5 6 Attempts remaining: 12 (5% per attempt atan( acotan( sinh( 2 3 detailed view cosh( tanh() cotanh( 0 END O Degrees O Radians BACKSPACE CLEAR Submit Hint Feedback I give up! Hints: 1% deduction per hint. Hints remaining: 2 Feedback: 2% deduction per feedback. A 20% Part (b) What is the magnitude of the normal force, Fy in newtons, that acts on the block? 20% Part (c) What is the component of the force of gravity along the plane, Fox in newtons? A 20% Part (d) Write an expression, in terms of , the mass m, the coefficient of static friction us, and the gravitational constant g, for the magnitude of the force due to static friction, F, just before the block begins to slide. 4 20% Part (e) Will the block slide