A vertical spring with k = 6900 N/m is compressed 0.060 m. A 0.13 kg ball is placed on top of the spring and released, launching it into the air. How far above the launching point—corresponding to the spring’s free length—is the ball when it has a speed of 2.0 m/s? (Neglect air friction.) Group of answer choices

1.2 m

160 m

19 m

9.5 m

94 m

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.

Acertain radio station broadcasts radio waves that have a wavelength of 298cm what is its broadcast frequency?

Often called simply "velocity," this is the velocity of an object at a particular moment in time.