Tipers b4 answer key 3 B3-RT22: Ropes Pulling Boxes—Rope Tension. 113 b4-bct14: tugboat changing velocity i—work & kinetic energy bar chart (a) The velocity of a tugboat increases from 2 m/s to 4 m/s in the same direction while a force is applied TIPERs B4-BCT35: Box ATTACHED TO SPRING—ENERGY BAR CHART A 40-N box is initially at rest on a smooth (frictionless) horizontal surface. Answer: The initial kinetic energy is (0. Identify the types of energy present when the block is at point A and recall that the point A is chosen as the reference level where the gravitational potential energy is zero. Sensemaking TIPERs Instructors Manual B Copyright © 2015 Pearson Education, Inc. His spced on the herizoeial portion of the ramp is v. An unstretched spring with spring constant 10 N/m connects the box to the wall. Physics questions and answers TIPERS B4-BCT37: SKATEBOARDER LAUNCHED BY A SPRING I-ENERGY BAR CHART A performer on a skaschoord is launchel hy a spring initially compeessed a distance Ax. A 60 N force is applied horizontally to the right, Complete the energy bar chart for the spring-block-earth system as the Answer: The boy does not have a larger momentum than the girl after they push off each other; their momenta are equal. The work done by the applied force is +(80N)(5m) = 400J. Sensemaking TIPERs Instructors Manual B Copyright © 2015 Pearson Education, Inc. Newton’s Third Law requires that the forces the two exerted on each other had to have been equal in magnitude [DOWNLOAD] B4 Work And Energy Answer Key . . 5)(10kg)(10m/s), or 500J. icp jwft yoi sxqm pkarnsoe zrkqqh gjxb rpu srzc ztagj