When heating a substance a phase change will start to occur when kinetic energy of the particles is attractive forces bewtween the particles low enough to overcome great enough to combine great enough to overcome low enough to combine equal to

An object is moving east, and it’s velocity changes from 65m/s to 25m/s in 10 seconds. which describes the acceleration?

Standing side by side ,you and a friend step off a bridge at different times and fall for 1.6s to the water below.your friend goes first,and you follow after he has dropped a distance of 2.0m.when your friend hits the water,is the seperation between the two of you 2.0m or more than 2.0m? verify your answer with a calculation.

If the ama of the inclined plane below is 2, calculate the ima and efficiency. ima = efficiency =