A50- kg pole vaulter running ar 10m/s vaults over the bar. her
speed when she is above the bar is 1.0 m/s. neglect airresistance,
as well as any energy absorbed by the pole, anddetermine her
altitude ads she crosses the bar.

20. threshold braking in the vehicle's braking system occurs when a. the brake pedal is pushed, heel on floorboard, with full foot pressure. b. the brakes are exerting full braking power, without traction loss. c. the driver begins pushing down the brake pedal, with moderate slowdown. d. the brakes just begin to take hold with a gradual slowdown.

Gather reliable information to brent make his decision. to gather this information, use newspapers, call insurance companies or look at their web sites, and review consumer magazines and web sites. also, look at the manufacturer web site or for information about gas mileage. list the sources you use and take notes.

Which levels of government establish and implement educational requirements for minors