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When the 150-lb skier is at point A he has a speed of 5 ft/s. When the skier reaches point B on the smooth slope, the slope follows the cosine curve shown. Suppose that y(z) = 49 cos 100 ) ft, where z is in ft. Neglect friction and air resistance. (Figure 1). Figure < 1 of 1> y(x) -35 t Part A Determine the skier's speed when he reaches point B on the smooth slope Express your answer to three significant figures and include the appropriate units. Value Units Submit Request Answer Part B What is the normal force on the skier's skis at B? Express your answer to three significant figures and include the appropriate units. N= Value Units Submit Resuest Answer Part C What is the skier's rate of increase in speed at B? Express your answer to three significant figures and include the appropriate units. Value Units

When the 150-lb skier is at point A he has a speed of 5 ft/s. When the skier reaches point B on the smooth slope, the slope follows the cosine curve shown. Suppose that y(z) = 49 cos 100 ) ft, where z is in ft. Neglect friction and air resistance. (Figure 1). Figure < 1 of 1> y(x) -35 t Part A Determine the skier's speed when he reaches point B on the smooth slope Express your answer to three significant figures and include the appropriate units. Value Units Submit Request Answer Part B What is the normal force on the skier's skis at B? Express your answer to three significant figures and include the appropriate units. N= Value Units Submit Resuest Answer Part C What is the skier's rate of increase in speed at B? Express your answer to three significant figures and include the appropriate units. Value Units

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When the 150-lb skier is at point A he has a speed of 5 ft/s. When the skier reaches point B on the smooth slope, the slope follows the cosine curve shown. Suppose that y(z) = 49 cos (T002) ft, where z is in ft. Neglect friction and air resistance. (Figure 1). Figure 1 of 1 yx) 35 t Part A Determine the skier's speed when he reaches point B on the smooth slope. Express your answer to three significant figures and include the appropriate units. Value Units Submit Request Answer Part B What is the normal force on the skiers skis at B? Express your answer to three significant figures and inclkude the appropriate units. N= Value Units Submit Resuest Answer - Part C What is the skier's rate of increase in speed at B? Express your answer to three significant figures and include the appropriate units. Value Units
Transcribed Image Text:When the 150-lb skier is at point A he has a speed of 5 ft/s. When the skier reaches point B on the smooth slope, the slope follows the cosine curve shown. Suppose that y(z) = 49 cos (T002) ft, where z is in ft. Neglect friction and air resistance. (Figure 1). Figure 1 of 1 yx) 35 t Part A Determine the skier's speed when he reaches point B on the smooth slope. Express your answer to three significant figures and include the appropriate units. Value Units Submit Request Answer Part B What is the normal force on the skiers skis at B? Express your answer to three significant figures and inclkude the appropriate units. N= Value Units Submit Resuest Answer - Part C What is the skier's rate of increase in speed at B? Express your answer to three significant figures and include the appropriate units. Value Units
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