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- A 1 kg ball moving horizontally to the right at 12m/s strikes a 10kg block placed at rest at an inclined plane, which makes an angle of 25 degrees with the horizontal. The coefficient of restitution is 0.60 and the coefficient of kinetic friction between the block and the inclined surface is 0.40. What is the velocity of the block after impact? What is the velocity of the ball after impact?A skier moves down a 12° slope at constant speed. What can you sayabout the coefficient of friction, Assume the speed is low enough that airresistance can be ignored.b) How to Calibration of Air Velocity from Pressure Using Sub-Sonic Wind Tunnel?c) Write the components of Sub-Sonic Wind Tunnel?
- Two identical billiard balls may move freely on a horizontal table. Ball A has a velocity of 0.4 m/s as shown, and hits ball B, which is at rest, at point C defined by = 40 (the line of impact is along 40° path with respect to the horizontal direction). Assuming no friction, and knowing the coefficient of restitution between the two balls is 0.75, determine the velocity of each ball after impactFully developed flow is assumed if the coefficient of variation for velocity measurement in the central 2/3 of a stack is less than what value ? a. 100% b. 80% c. 40% d. 20%A block having a mass of 50 kg is subjected to a horizontal force applied 0.5 m. above the horizontal surface causing it to have an acceleration of 1m/s2. If the coefficient of friction between the block and the horizontal surface is 0.40. Find the horizontal force. Find the distance traveled after 10 sec. if it has an initial velocity of 5 m/s. c. Find the velocity after 5 sec.
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- A box slides from rest at point A down an inclined 30 degrees to the horizontal. After reaching the bottom of the plane, the box moves on a horizontal floor at a distance 2m before coming to rest. Coefficient of friction between the box and the floor is 0.40 a. What is the distance from point A to the intersection of the inclined plane and the horizontal floor? b. What is the velocity of the block as it reaches the intersection of the inclined plane and the horizontal floor? c. What is the total time of travel until it stop?All friction factor f = 0.02 All pipe lengths L = 250m Diameter of Pipe A = 400mm with Flow Rate at Pipe A = 500 L/s Diameter of Pipe B = 300mm Diameter of Pipe C = 200mm Refer to the illustration belowOil flows at 62 L/s in a pipe of 175mm diameter and 50m length. SG of oil is 0.9 and viscosity is 0.04 Pa-sec. If head loss is 5.22m, determine: