Which statement best describes the motion of car a car be check all that apply

Amachinist turns the power on to a grinding wheel, at rest, at time t = 0 s. the wheel accelerates uniformly for 10 s and reaches the operating angular velocity of 96 rad/s. the wheel is run at that angular velocity for 40 s and then power is shut off. the wheel slows down uniformly at 1.5 rad/s2 until the wheel stops. in this situation, the time interval of deceleration is closest to:

Awave has a wavelength of 7 mm and a frequency of 19 hertz. what is its speed?

You have 80 g of 60oc water and 80 g or 10oc water. what is the final temperature when the two are mixed? explain.