Engineering Mathematics Blog… College Physics by Openstax Problem 2.33 5 Apr 20175 Apr 2017 An unwary football player collides with a padded goalpost while running at a velocity of 7.50 m/s and comes to a full stop after compressing the padding and his body 0.350 m.…

Engineering Mathematics Blog… College Physics by Openstax Problem 2.32 5 Apr 2017 A woodpecker’s brain is specially protected from large decelerations by tendon-like attachments inside the skull. While pecking on a tree, the woodpecker’s head comes to a stop from an initial velocity of…

Engineering Mathematics Blog… College Physics Problem 2.31 29 Mar 201731 Mar 2017 A swan on a lake gets airborne by flapping its wings and running on top of the water. (a) If the swan must reach a velocity of 6.00 m/s to…

Engineering Mathematics Blog… College Physics Problem 2.29 18 Dec 201631 Mar 2017 Freight trains can produce only relatively small accelerations and decelerations. (a) What is the final velocity of a freight train that accelerates at a rate of $latex 0.0500\:m/s^2&s=1&fg=000000$ for 8.00 minutes, starting with…

Engineering Mathematics Blog… College Physics Problem 2.24 31 Aug 201631 Mar 2017 While entering a freeway, a car accelerates from rest at a rate of $latex 2.40\:m/s^2&s=1&fg=000000$ for 12.0 s. (a) Draw a sketch of the situation. (b) List the knowns in…

Engineering Mathematics Blog… College Physics 2.21 25 Aug 201631 Mar 2017 A well-thrown ball is caught in a well-padded mitt. If the deceleration of the ball is $latex 2.10\times 10^{4} m/s^2&s=-1&fg=000000$, and 1.85 ms $latex \left(1\:ms=10^{-3}\:s\right)&s=-1&fg=000000$ elapses from the time the…