Find the work done and divide the work by time to find the power as shown below
Please let it be legible, thanks in advance! Part A How much work does an elevator...
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! 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 1 P 12 Unlike a roller coaster, the seats in a Ferris wheel swivel so that the rider is always seated upright. An 80-ft-diameter Ferris wheel rotates once every 24 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. HÅ Value Units Submit Previous Answers Request Answer X Incorrect; Try Again What is the...
Please let it be legible, thanks in advance! How much work must you do to push a 10 kg block of steel across a stool table at a steady speed of 1.3 m/s for 9.4 s ? The coefficient of kinetic friction for steel on steel is 0.60. Express your answer in joules. | ΑΣφ Wpus J Submit Request Answer
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! ReviewIC A 1200 kg sports car accelerates from 0 m/s to 30 m/s in 11 s. Part A What is the average power of the engine? Express your answer in kilowatts. ΤΙ ΑΣφ P = kW Submit Previous Answers Request Answer
Please let it be legible, thanks in advance! You can, in an emergency, start a manual transmission car by putting it in neutral, letting the car roll down a hill to pick up speed, then putting it in gear and quickly letting out the clutch Part A If the car needs to be moving at 3.3 m/s for this to work, how high a hill do you need? (You can ignore friction and drag.) Express your answer with the appropriate...
Please let it be legible, thanks in advance! Part A What minimum speed does a 110 g puck need to make it to the top of a frictionless ramp that is 6.0 m long and inclined at 29°? Express your answer in meters per second. 190 AED ? m/s Submit Request Answer
Please let it be legible, thanks in advance! Review Constants Periodic Mark pushes his broken car 130 m down the block to his friend's house. He has to exert a 120 N horizontal force to push the car at a constant speed. Part A How much thermal energy is created in the tires and road during this short trip? Express your answer with the appropriate units. НА ΔΕΙΑ = Value Units Submit Request Answer
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