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Hw 1 P 12
Unlike a roller coaster,...
Review Constants i Per Unlike a roller coaster, the seats in a Ferris wheel swivel so...
Review Constants i Per Unlike a roller coaster, the seats in a Ferris wheel swivel so that the rider is always seated upright. An BO-ft-diameter Ferris wheel rotates once every 24 5 Part A What is the apparent weight of a 60 kg passenger at the lowest point of the circle? Express your answer with the appropriate units. HẢI Wowest Value Units Submit Previous Answers Request Answer Part B. What is the apparent weight of a 60 kg passenger at...
Please let it be legible, thanks in advance Hw 3 P 5 Review i Constants The...
Please let it be legible, thanks in advance
Hw 3 P 5
Review i Constants The two ropes shown in the bird's-eye view of (Figure 1) are used to drag a crate 3.5 m across the floor. Part A Figure How much work is done by the force ? Express your answer with the appropriate units. 1 of 1 HÅ 326 N Value Units Ï 20° 500 N Ik Submit Request Answer [ 30° 1 Part B The two ropes...
Please let it be legible, thanks in advance! Hw 1 P 7 Modern wind turbines are...
Please let it be legible, thanks in advance!
Hw 1 P 7
Modern wind turbines are larger than they appear, and despite their apparently lazy motion, the speed of the blades tips can be quite high-many times higher than the wind speed. A turbine has blades 51 m long that spin at 14 rpm (Figure 1) Part A At the tip of a blade, what is the speed? Express your answer with the appropriate units. Figure 1 of 1 НА...
please let it be legible, thanks in advance Hw 2 P 8 A 2.6 kg block...
please let it be legible, thanks in advance
Hw 2 P 8
A 2.6 kg block of wood sits on a frictionless table. A 3.0 g bullet, fired horizontally at a speed of 360 m/s.goes completely through the block, emerging at a speed of 230 m/s. Part A What is the speed of the block immediately after the bullet exits ? Express your answer with the appropriate units. HA ? Value Units Submit Request Answer
Please let it be legible, thanks in advance! Part A How much work does an elevator...
Please let it be legible, thanks in advance!
Part A How much work does an elevator motor do to lift a 1000 kg elevator a height of 100 m ? Express your answer with the appropriate units. Wext = 9.8x105 J Submit Previous Answers Correct Part B 31 IC C W X P Correct Part B How much power must the motor supply to do this in 43 s at constant speed? Express your answer with the appropriate units. μΑ...
Revie The Outlaw Run roller coaster in Branson, Missouri, foatures a track that is inclined at...
Revie The Outlaw Run roller coaster in Branson, Missouri, foatures a track that is inclined at 77 height below the horizontal and that spans a 49 4-m (162 ft) change in Part A If the coefficient of friction for the roller coaster is 0.29. what is the magnitude of the friction force on a 1600 kg coaster train? Express your answer to two significant figures and include appropriate units. HAO? 1023 N. Submit Previous Answers Request Answer * Incorrect; Try...
please let it be legible, thanks in advance Hw 5 P4 Part A How much work...
please let it be legible, thanks in advance
Hw 5 P4
Part A How much work must you do to push a 10 kg block of steel across a steel table at a steady speed of 1.3 m/s for 94 s? The coefficient of kinetic friction for steel on steel is 0.60 Express your answer in joules. Wpus = 720 J Previous Answers Correct th What is your power output while doing so? Express your answer in watts. ΨΗ ΑΣΦ...
Please let it be legible, thanks in advance! As a 1.7x10 kg jet plane lands on...
Please let it be legible, thanks in advance!
As a 1.7x10 kg jet plane lands on an aircraft carrier, its tail hook snags a cable to slow it down. The cable is attached to a spring with spring constant 5.7x10* N/m Part A If the spring stretches 30 m to stop the plane, what was the plane's landing speed? Express your answer to two significant figures and include the appropriate units. НА Value Units Submit Request Answer
Please let it be legible, thanks in advance! Review Cons When you skid to a stop...
Please let it be legible, thanks in advance!
Review Cons When you skid to a stop on your bike, you can significantly heat the small patch of tire that rubs against the road surface. Suppose a person skids to a stop by hitting the brake on his back tire, which supports half the 90 kg combined mass of the bike and rider, leaving a skid mark that is 34 cm long, Assume a coefficient of kinetic friction of 0.80. Part...
Please let it be legible, thanks in advance! Hw 4 P 5 Part A The elastic...
Please let it be legible, thanks in advance!
Hw 4 P 5
Part A The elastic energy stored in your tendons can contribute up to 35 % of your energy needs when running. Sports scientists have studied the change in length of the knee extensor tendon in sprinters and nonathletes. They find (on average) that the sprinters' tendons stretch 42 mm, while nonathletes' stretch only 33 mm The spring constant for the tendon is the same for both groups, 32...
Review Constants i Per Unlike a roller coaster, the seats in a Ferris wheel swivel so that the rider is always seated upright. An BO-ft-diameter Ferris wheel rotates once every 24 5 Part A What is the apparent weight of a 60 kg passenger at the lowest point of the circle? Express your answer with the appropriate units. HẢI Wowest Value Units Submit Previous Answers Request Answer Part B. What is the apparent weight of a 60 kg passenger at...
Please let it be legible, thanks in advance
Hw 3 P 5
Review i Constants The two ropes shown in the bird's-eye view of (Figure 1) are used to drag a crate 3.5 m across the floor. Part A Figure How much work is done by the force ? Express your answer with the appropriate units. 1 of 1 HÅ 326 N Value Units Ï 20° 500 N Ik Submit Request Answer [ 30° 1 Part B The two ropes...
Please let it be legible, thanks in advance!
Hw 1 P 7
Modern wind turbines are larger than they appear, and despite their apparently lazy motion, the speed of the blades tips can be quite high-many times higher than the wind speed. A turbine has blades 51 m long that spin at 14 rpm (Figure 1) Part A At the tip of a blade, what is the speed? Express your answer with the appropriate units. Figure 1 of 1 НА...
please let it be legible, thanks in advance
Hw 2 P 8
A 2.6 kg block of wood sits on a frictionless table. A 3.0 g bullet, fired horizontally at a speed of 360 m/s.goes completely through the block, emerging at a speed of 230 m/s. Part A What is the speed of the block immediately after the bullet exits ? Express your answer with the appropriate units. HA ? Value Units Submit Request Answer
Please let it be legible, thanks in advance!
Part A How much work does an elevator motor do to lift a 1000 kg elevator a height of 100 m ? Express your answer with the appropriate units. Wext = 9.8x105 J Submit Previous Answers Correct Part B 31 IC C W X P Correct Part B How much power must the motor supply to do this in 43 s at constant speed? Express your answer with the appropriate units. μΑ...
Revie The Outlaw Run roller coaster in Branson, Missouri, foatures a track that is inclined at 77 height below the horizontal and that spans a 49 4-m (162 ft) change in Part A If the coefficient of friction for the roller coaster is 0.29. what is the magnitude of the friction force on a 1600 kg coaster train? Express your answer to two significant figures and include appropriate units. HAO? 1023 N. Submit Previous Answers Request Answer * Incorrect; Try...
please let it be legible, thanks in advance
Hw 5 P4
Part A How much work must you do to push a 10 kg block of steel across a steel table at a steady speed of 1.3 m/s for 94 s? The coefficient of kinetic friction for steel on steel is 0.60 Express your answer in joules. Wpus = 720 J Previous Answers Correct th What is your power output while doing so? Express your answer in watts. ΨΗ ΑΣΦ...
Please let it be legible, thanks in advance!
As a 1.7x10 kg jet plane lands on an aircraft carrier, its tail hook snags a cable to slow it down. The cable is attached to a spring with spring constant 5.7x10* N/m Part A If the spring stretches 30 m to stop the plane, what was the plane's landing speed? Express your answer to two significant figures and include the appropriate units. НА Value Units Submit Request Answer
Please let it be legible, thanks in advance!
Review Cons When you skid to a stop on your bike, you can significantly heat the small patch of tire that rubs against the road surface. Suppose a person skids to a stop by hitting the brake on his back tire, which supports half the 90 kg combined mass of the bike and rider, leaving a skid mark that is 34 cm long, Assume a coefficient of kinetic friction of 0.80. Part...
Please let it be legible, thanks in advance!
Hw 4 P 5
Part A The elastic energy stored in your tendons can contribute up to 35 % of your energy needs when running. Sports scientists have studied the change in length of the knee extensor tendon in sprinters and nonathletes. They find (on average) that the sprinters' tendons stretch 42 mm, while nonathletes' stretch only 33 mm The spring constant for the tendon is the same for both groups, 32...
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