Achild weighs 300 n. what is the child's mass

Akg a of 55 m at an of 11 ? . if is at 98 km/h, be ?

Which notation is used to represent an alpha particle? a. b. c. d.

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