please let it be legible, thanks in advance Hw 5 P4 Part A How much work...
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 8 Sam's job at the amusement park is to slow down and bring to a stop the boats in the log ride. Part A If a boat and its riders have a mass of 800 kg and the boat driftsin at 1.8 m/s how much work does Sam do to stop it? Express your answer in joules. θα| ΑΣφ ? W J
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...
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...
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! 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 Hw 2 P 10 A 300 g bird flying along at 5.7 m/s sees a 10 g insect heading straight toward it with a speed of 35 m/s (as measured by an observer on the ground, not by the bird). The bird opens its mouth wide and enjoys a nice lunch. Part A What is the bird's speed immediately after swallowing? Express your answer in meters per second. O AEC ? m/s...
Please let it be legible, thanks in advance! Hw 5 P 6 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. 90 AED ? P. kW You have already submitted this answer. Enter a new answer No credit lost. Try again.
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 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...