ASAP 1-5 question plzz helppp, mark Brainliest if you answer all 5 questions

If forces acting on an object are unbalanced, which factors may result fron an unbalanced force? check all that apply

Which types of electromagnetic waves have higher frequencies than the waves that make up ultraviolet light? check all that apply. radio waves infrared light microwaves gamma rays visible light x-rays

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?