Can someone do any of these. its due tomorrow .

Road users moving into your lane, brake lights, and abrupt changes in road surface are a. rare at night b. indicators of potential hazards c. not worth worrying about before you reach them d. no problem for experienced drivers

Awave with a frequency of 500 hz is traveling at a speed of 100 m/s. what is the wavelength?

An object dropped from cliff falls with a constant acceleration of 10 metre per second square find its speed of two seconds after it was dropped