QUESTION: a car drived at an initial velocity of 8m/s, acceleration of 2.5 m/s^2, and travelled 4500m. how much time did it take to travel 4500m? (please tell me the steps) ​

Which statement correctly describes a step-up transformer? a. it increases the amount of electric energy available. b. it increases the voltage of an electric current. c. it changes direct current into alternating current. d. it has more loops of wire in its primary coil.

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?

Matter that emits no light at any wavelength is called