A 270-kg load is lifted 24.0 m vertically with an acceleration a=0.190 g by a single cable. ? Wc = Value Units Submit Request Answer Part E Determine the final speed of the load assuming it started from rest. Express your answer to three significant figures and include the appropriate units. B) ? Value Units Submit Request Answer

e) Figure Q4b shows a pulley system suspended by a hook and a bolt fixed to the ceiling. The pulley system is used to lift a load (FL) of 250 N when an effort force (FE) is applied. Determine the tension force in each support rope, the effort force (FE) and reaction force (FR) necessary to lift and hold a load of 250 N. *Assume that the pulley system is weightless and frictionless. FR +3 www FE d₂ d₁ ↑ FL Figure Q4b (Illustrative and not to scale) f) Calculate the ideal mechanical advantage (IMA) for the pulley system in Figure Q4b and calculate the distance d₁ moved when distance d₂ is 1.75 m.

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Question 3. The cart shown in figure below moves with constant deceleration changing the speed from v0 = 5 m/s to v1 = 1 m/s. After 2 seconds when it reaches the speed v1 it suddenly stops. Write the displacement of the mass as a function of time. Mass m moves without friction on the surface of the cart. Assume positive direction from left to right (direction of motion of the cart). Numerical values: m = 2 kg, k = 1.152 kN/m. V k Ans: x(t) = 3.472 cos 24 t + 41.6 sin 24 t (mm) m L

com/course.html?courseld-17255520&OpenVellumHMAC=197f22d4a42226c194d42c759b32e18a#10001 Part A What is the speed of the potato at the lowest point of its motion? A 0.280 kg potato is tied to a string with length 1.50 m, and the other end of the string is tied to a rigid support. The potato is held straight out horizontally from the point of support, with the string pulled taut, and is then released. Express your answer in meters per second. [VD ΑΣΦ 49 a x Xb b √x x x x 1X1 V = m/s Submit Previous Answers Request Answer X Incorrect; Try Again Part B What is the tension in the string at this point? Express your answer in newtons. T = 8.23 N P Pearson Copyright © 2022 Pearson Education Inc. All rights reserved. | Terms of Use | Privacy Policy | Permissions Contact 12,772 APR ⠀⠀⠀ 28 A tv A O DII F8 2 M #3 E 80 F3 $ 4 000 000 F4 R % 5 F5 T A 6 F6 Y & 7 ◄◄ F7 U * 00 8 9 DD F9 0 ? X.10n X S ) 0 79 F10 P

A steel cable lying flat on the floor drags a 20 kg block across a horizontal, frictionless floor. A 110 N force applied to the cable causes the block to reach a speed of 3.9 m/s in a distance of 2.0 m. What is the mass of the cable? Express your answer with the appropriate units. m= Submit μA Value Units ? Units input for part A Previous Answers Request Answer

Problem 4.17 7 of 11 Can cars "stop on a dime"? Constants Part A Calculate the acceleration ofa 1200 kg car if it can stop from 43 km/h on a dime (diameter = 1.7 cm.) Express your answer to two significant figures and include the appropriate units. HA als Value Units a = Proctor DeguestAncuer - 8:36 hp L7 8.