Physics, 20.09.2019 17:20 randyg0531
Captain john stapp is often referred to as the "fastest man on earth." in the late 1940s and early 1950s, stapp ran the u. s. air force's aero med lab, pioneering research into the accelerations which humans could tolerate and the types of physiological effects which would result. after several runs with a 185-pound dummy named oscar eightball, captain stapp decided that tests should be conducted upon humans. demonstrating his valor and commitment to the cause, stapp volunteered to be the main subject of subsequent testing. manning the rocket sled on the famed gee whiz track, stapp tested acceleration and deceleration rates in both the forward-sitting and backward-sitting positions. he would accelerate to aircraft speeds along the 1200-foot track and abruptly decelerate under the influence of a hydraulic braking system. on one of his most intense runs, his sled decelerated from 282 m/s (632 mi/hr) to a stop at -201 m/s/s. determine the stopping distance and the stopping time.
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Anne applies a force on a toy car and makes it move forward. what can be said about the forces acting on the toy car at the moment anne applies the force?
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Physics, 22.06.2019 18:00
Consider two regions of space containing a static electric field, region a and region b. in region a the equipotential lines are more closely spaced than those in region b. what can be said about the relative strength of the electric field in the two regions? a) the electric field in region a is stronger th
Answers: 3
Captain john stapp is often referred to as the "fastest man on earth." in the late 1940s and early 1...
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