A rock is swung in a circle of radius 2.1 m with a constant speed of, 10 m/s. What is the magnitude (in m/s2) of the acceleration?

A2000 kg car is rounding a curve of radius 200 m on a level road. the maximum frictional force the road can exert on the tires of the car is 4000 n. what is the highest speed at which the car can round the curve?

Which lists the organs in the correct order as food passes from the mouth to anus?

What sort of waves exhibit the doppler effect?