Question 7 (2 points) If a wave is traveling at a constant speed, and the frequency increases, what would happen to the wavelength? (2 points)
оа
It would increase.
Oh
It would decrease.
c
It would remain constant.
d
It would drop to zero.

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.

Karen is running forward at a speed of 9 m/s. she tosses her sweaty headband backward at a speed of 20 m/s. the speed of the headband, to the nearest whole number relative to a stationary observer watching karen

Matter is needed to transfer thermal energy bya. conductionb. convectionc. radiation d. both a & b.