Abiker going around a circular track at constant speed is accelerating. why? a. direction is constantly changingb. gravity is pulling on itc. the speed us changingd. the earth is rotating

An input force of 7 n is applied to a machine with a mechanical advantage of 1.75. what is the maximum the machine could lift? 12.25 n7n7.25 n26.2 n

What is a carrier wave and how does it affect what you hear on the radio

The graph represents the distance a car travels over time while on the highway. which statement about the car's trip is accurate? a) the car does not move over time. b) the car travels at a constant velocity. c) the car's velocity increases constantly over time. d) the car's velocity decreases constantly over time.