If the car went 30 km west in 25 min. and then 40 km south in 35 min., what would be its average speed?

Abicycle slows down when the rider applies the brakes. what type of energy transformation is involved in this example? a. kinetic energy into heat energy b. heat energy into potential energy c. potential energy into kinetic energy d. kinetic energy into mechanical energy

Find the mass by adding the numbers from the three sliders

Anika asks eva to roll a basketball and then a bowling ball to her. which requires more force to roll, and why?