The train traveled from the station to the mall, a distance of 576 km in 6 hours. The train is only allowed to travel at a maximum speed of 90 km/h. Did the train break the speed limit?

James is trying to prove newton's 2nd law of motion. he tries to move four different objects with different masses, shapes, and sizes from point a to point b. the objects are a toy car, a car, a refrigerator, and a kitchen table. after some experimentation, he finds that force is dependent on the mass of the object, rather than it's size or shape. the object that takes the most force to move is the

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

Convection occurs when thermal energy is transferred by the movement of